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U.S. SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-K

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES
EXCHANGE ACT OF 1934

FOR THE FISCAL YEAR ENDED DECEMBER 31, 2002

COMMISSION FILE NUMBER: 1-13738

PSYCHEMEDICS CORPORATION
(exact name of registrant as specified in its charter)

Delaware 58-1701987
(State or other jurisdiction of (I.R.S. Employer Identification No.)
incorporation or organization)


1280 Massachusetts Ave., Cambridge, MA 02138
(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: 617-868-7455

Securities registered pursuant to Section 12(b) of the Act:



Common Stock, $.005 Par Value American Stock Exchange
(Title of class) (name of each exchange on which registered)

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days.
YES [X] NO [ ]
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-B is not contained herein and will not be contained, to the best
of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. [ ]

Indicate by check mark whether the registrant is an accelerated filer.
YES [ ] NO [X]
On June 28, 2002 the aggregate market value of the voting stock held by
non-affiliates of the registrant (assuming for these purposes, but without
conceding, that all executive officers, directors and 10% shareholders are
"affiliates" of the Registrant) was $39,444,000. On March 17, 2003 5,213,725
shares of Common Stock, $.005 par value, were outstanding.

DOCUMENTS INCORPORATED BY REFERENCE


Part III - Portions of the Registrant's Proxy Statement relative to the 2003
Annual Meeting of Stockholders to be held on May 14, 2003.





29

PART I

The information provided by the Company in this Report may contain
"forward-looking" information which involves risks and uncertainties, such as
statements of the Company's plans, objectives, expectations and intentions. The
cautionary statements made in this report should be read as being applicable to
all forward-looking statements wherever they appear in this report. The
Company's actual results could differ materially from those discussed herein.
Factors that could cause or contribute to such differences include those
discussed in Item 7 below, as well as those discussed elsewhere herein.

NOTE: All share and per share amounts of the Common Stock of the Company
referred to in this Annual Report have been adjusted to give effect to the
Company's 1 for 4 reverse stock split effected on August 1, 2002.

Item 1. Business

GENERAL

Psychemedics Corporation ("the Company") is a Delaware corporation organized on
September 24, 1986 to provide testing services for the detection of abused
substances through the analysis of hair samples. The Company's testing methods
utilize a patented technology for performing immunoassays on enzymatically
dissolved hair samples with confirmation testing by mass spectrometry.

The Company's first application of its patented technology is a testing service
that screens for the presence of certain drugs of abuse in hair. The application
of radioimmunoassay procedures using hair differs from the more widely used
application of radioimmunoassay procedures using urine samples. The Company's
tests provide quantitative information which indicates the approximate amount of
drug ingested as well as historical data which can show a pattern of individual
drug use over a period of time. This information is useful to employers in both
applicant and employee testing, to physicians, treatment professionals, law
enforcement agencies, to schools, and to parents concerned about drug use by
their children and to other individuals and entities engaged in any business
where drug use is an issue. The Company provides commercial testing and
confirmation by mass spectrometry using industry-accepted practices for cocaine,
marijuana, PCP, methamphetamine, (including Ecstasy, which is difficult to
detect in urine due to sporadic use patterns and rapid clearance from the body),
and opiates. In addition, the Company has developed a test for methadone for use
in the drug treatment industry.

Testing services are currently performed at the Company's laboratory at 5832
Uplander Way, Culver City, California. The Company's services are marketed under
the name RIAH (Radioimmunoassay of Hair), a registered service mark.

DEVELOPMENT OF RADIOIMMUNOASSAY OF HAIR

The application of special radioimmunoassay procedures to the analysis of hair
was initially developed in 1978 by the founders of the Company, Annette
Baumgartner and Werner A. Baumgartner, Ph.D. The Baumgartners demonstrated that
when certain chemical substances enter the bloodstream, the blood carries them
to the hair where

2




they become "entrapped" in the protein matrix in amounts roughly proportional to
the amount ingested. The Company's drugs of abuse testing procedure involves
subjecting the hair sample to the Company's unique proprietary process, which
involves the direct analysis of liquefied hair samples by radioimmunoassay
procedures utilizing special reagents and antibodies. The antibodies detect the
presence of a specific drug or metabolite in the liquefied hair sample by
reacting with the drug present in the sample solution and an added radioactive
analog of the drug. The resulting antibody-drug complex is precipitated and
analyzed. The amount of drug present in the sample is inversely proportional to
the amount of radioactive analog in the precipitate. Results are then confirmed
by Mass Spectrometry. Depending upon both the length of head hair and the hair
growth rate (head hair grows approximately 1.3 centimeters per month), the
Company is able to provide historical information on drug use by the person from
whom the sample was obtained. Another testing option involves sectional analysis
of the head hair sample. In this procedure, the hair is sectioned lengthwise to
approximately correspond to certain time periods. Each section corresponds to a
time period, which allows the Company to provide information on patterns of drug
use.

VALIDATION OF THE COMPANY'S PROPRIETARY TESTING METHOD

The process of analyzing human hair for the presence of drugs using the
Company's patented method has been the subject of numerous scientific field
studies. Results from the studies that have been published or accepted for
publication in scientific journals are generally favorable to the Company's
technology. These studies were performed with the following organizations:
Citizens for a Better Community Court, Columbia University, Koba Associates-DC
Initiative, Harvard Cocaine Recovery Project, Hutzel Hospital, ISA Associates
(Interscience America)-NIDA Workplace Study, University of California-Sleep
State Organization, Maternal/Child Substance Abuse Project, Matrix Center,
National Public Services Research Institute, Narcotic and Drug Research
Institute, San Diego State University-Chemical Dependency Center, Spectrum Inc.,
Stapleford Centre (London), Task Force on Violent Crime (Cleveland, Ohio);
University of Miami-Department of Psychiatry, University of Miami-Division of
Neonatology, University of South Florida-Operation Par Inc., University of
Washington, VA Medical Center-Georgia, U.S. Probation Parole-Santa Ana. The
above studies include research in the following areas: effects of prenatal drug
use, treatment evaluation, workplace drug use, the criminal justice system and
epidemiology. Many of the studies have been funded by the National Institute of
Justice or the National Institute on Drug Abuse ("NIDA"). Several hundred
research articles written by independent researchers have been published
supporting the general validity and usefulness of hair analysis.

Some of the Company's customers have also completed their own testing to
validate the Company's proprietary hair testing method as a prelude to utilizing
the Company's services. These studies have consistently confirmed the Company's
superior detection rate compared to urinalysis testing. When the results from
utilizing the Company's patented hair testing method were compared to urine
results in side-by-side evaluations, 3 to 10 times as many drug abusers were
accurately identified with the Company's proprietary method. In addition to
these studies, the Company's proprietary method is validated through the
services it offers to over 2,600 clients for whom it has performed testing.

In 1998, the National Institute of Justice, utilizing Psychemedics hair testing,
completed a Pennsylvania Prison study where hair analysis revealed an average
prison use level


3



in 1996 of approximately 7.9%. Comparatively, urinalysis revealed virtually no
positives. After measures to curtail drug use were instituted, drug sniffing
dogs, searches and scanners, the use level fell to approximately 2% according to
the results of hair analysis in 1998. Again, the urine tests had virtually no
positives. The study illustrated the usefulness of hair analysis to monitor
populations and the weakness of urinalysis.

The Company received from the United States Food and Drug Administration ("FDA")
510k clearance on all five of its assays used to test human hair for drugs of
abuse. Psychemedics is the only company to receive FDA clearance of any assay
for testing hair samples for drugs of abuse. See Government Regulation.

ADVANTAGES OF USING THE COMPANY'S PATENTED METHOD

The Company asserts that hair testing using its patented method confers
substantive advantages relative to existing means of drug detection through
urinalysis. Although urinalysis testing can provide accurate drug use
information, the scope of the information is short-term and is generally limited
to the type of drug ingested within a few days of the test. Studies published in
many scientific publications have indicated that most drugs disappear from urine
within a few days.

In contrast to urinalysis testing, hair testing using the Company's patented
method can provide long-term historical drug use information resulting in a
significantly wider "window of detection." This "window" may be several months
or longer depending on the length of the hair sample. The Company's standard
test offering, however, uses a 3.9 centimeter length head hair sample cut close
to the scalp; therefore, it measures use for approximately the previous three
months.

This wider window of detection enhances the detection efficiency of hair
analysis making it particularly useful in pre-employment testing. Hair testing
not only identifies more drug users, but can also uncover patterns and severity
of drug use, information most helpful in determining the scope of an
individual's involvement with drugs and serves as a deterrent against the use of
drugs. Hair testing using the Company's patented method greatly reduces the
incidence of "false negatives" associated with evasive measures typically
encountered with urinalysis testing. Urinalysis test results are impacted
adversely by excessive fluid intake prior to testing as well as adulteration of
the sample. Moreover, a drug user who abstains from use for a few days prior to
urinalysis testing can usually escape detection. Hair testing is effectively
free of these problems, as it cannot be thwarted by evasive measures typically
encountered with urinalysis testing. It is also attractive to customers since
sample collection is typically performed under close supervision yet is less
intrusive and less embarrassing for test subjects.

Hair testing using the Company's patented method (with mass spectrometry
confirmation) further reduces the prospects of error in conducting drug
detection tests. Urinalysis testing is more susceptible to problems such as
"evidentiary false positives" resulting from passive drug exposure (e.g. poppy
seeds). To combat this problem, in federally mandated testing, the opiate cutoff
levels for urine testing were raised 667% on December 1, 1998 and testing for
the presence of a heroin metabolite, 6-AM, was required. These new requirements,
however, effectively reduced the detection time frame for confirmed heroin in
urine down to several hours post-use. In contrast, the metabolite 6-AM is stable
in hair and can be detected for months.


4





In the event a positive urinalysis test result is challenged, a test on a newly
collected sample is not a viable remedy. Depending on the drug usage of the
forewarned individual prior to the date of the newly collected sample, a re-test
may yield a negative result when using urinalysis testing because of temporary
abstention. In contrast, when the Company's hair testing method is offered on a
repeat hair sample the individual suspected of drug use cannot as easily affect
the results because historical drug use data remain locked in the hair fiber.

When compared to other hair testing methods, not only are the Company's assays
the only hair tests cleared by the FDA (as of March 31, 2003, the date of the
filing of this report), they also employ a unique patented method of enzyme
digestion that the Company believes allows for the most efficient release of
drugs from the hair without destroying the drugs.

DISADVANTAGES OF HAIR TESTING

There are some disadvantages of hair testing as compared to drug detection
through urinalysis. Because hair starts growing below the skin surface, drug
ingestion evidence does not appear in hair above the scalp until five to seven
days after use.

Thus, hair testing is not suitable for determining impairment in "for cause"
testing such as is done in connection with an accident investigation. It does,
however, provide a drug history which can complement urinalysis information in
"for cause" testing.

Currently, radioimmunoassay testing using hair samples under the Company's
patented method is only practiced by Psychemedics Corporation. The absence of
widespread familiarity with hair testing may adversely impact the Company's
revenue growth.

The Company's prices for its tests are generally somewhat higher than prices for
tests using urinalysis, but the Company believes that its superior detection
rates provide more value to the customer. This pricing policy could, however,
adversely impact the growth of the Company's sales volume.

PATENTS

In 1994, the Company was issued its first patent, U.S. Patent No. 5,324,642 (the
"642 Patent"). This patent pertains to the Company's universal drug extraction
procedure and immunoassay technology for the detection of drugs in hair
specimens. Some of the research on the inventions covered by the 642 Patent was
conducted at the Veteran's Administration Hospital ("VA"). Therefore, the U.S.
government has been granted a nonexclusive, irrevocable, royalty-free license to
use the basic invention covered by the 642 Patent, for all governmental
purposes. In 1995, the Company was granted an additional patent pertaining to
the immuno chemical screening assay for marijuana, which is the most difficult
drug to detect.

In 1996, the Company was issued its first European patent on the base hair
analysis method. The Company was also issued a European patent in 1996 on
another aspect of the Company's technology, related to the use of detergents to
enhance the hair digestion portion of the methodology.


5




In October 1998, the Japanese Patent Office informed the Company that it had
allowed the pending Japanese patent application containing broad claims to the
Company's proprietary hair test for drugs of abuse.

In August 1999, the Canadian Patent Office issued the Company a patent
containing broad claims to the Company's proprietary basic hair analysis method.

In December 1999, the Company was issued European patents related to the
analysis of marijuana analyte in hair. As a result of the issuance of this
patent, national patents are in effect in Germany, France, Italy, the United
Kingdom and Spain.

In February 2000, a third U.S. patent was issued which extends protection to yet
another aspect of the Company's methodology. This patent provides for the use of
metal salt to deactivate certain reagents used in the method, thus enhancing
efficiency.

In December 2001, a Japanese certificate of patent was issued related to the use
of detergents in the Psychemedics hair analysis process.

In January 2002, a second Canadian patent was issued, which relates to the use
of ion exchange resins in the marijuana assay.

In February 2002, a fourth U.S. Patent was issued which covers the base hair
analysis method, and broadens considerably the scope of the original U.S.
patent.

Certain aspects of the Company's hair analysis method are based on trade secrets
owned by the Company. The Company's ability to protect the confidentiality of
these trade secrets is dependent upon the Company's internal safeguards and upon
the laws protecting trade secrets and unfair competition. In the event that
patent protection or protection under the laws of trade secrets were not
sufficient and the Company's competitors succeeded in duplicating the Company's
products, the Company's business could be materially adversely affected.

TARGET MARKETS

1. Workplace

The Company focuses its primary marketing efforts on the private sector, with
particular emphasis on job applicant and employee testing.

The number of businesses using drug testing to screen job applicants and
employees has increased significantly in the last several years. The most recent
American Management Association (AMA) survey from 1996 indicated that 81% of
surveyed firms were engaged in some form of drug testing, a 277% increase since
the initial AMA survey in 1987. The prevalence of drug screening programs
reflects a growing concern that drug use contributes to employee health problems
and costs (increased absenteeism, reduced productivity, etc.) and in certain
industries, safety hazards. It has been estimated that the cost to industry in
terms of health care costs and lost productivity is at least $98.5 billion
annually.

The principal criticism of employee drug testing programs centers on the
effectiveness of the testing program. Most private sector testing programs use
urinalysis. Such


6





programs are susceptible to evasive maneuvers and the inability to obtain
identical repeat samples in the event of a challenged result.

Moreover, many employers, to accommodate concerns of their employees and to
avoid infringement of employee privacy rights, conduct their programs on a
pre-announced schedule, thereby providing an opportunity for many drug users to
simply abstain in order to escape detection.

The Company presents its patented hair analysis method to potential clients as a
better technology well suited to employer needs. Field studies and actual client
results support the accuracy and effectiveness of the Company's patented
technology and its ability to detect even casual drug use. This information
provides an employer with greater flexibility in assessing the scope of an
applicant's or an employee's drug problem.

The Company performs a confirmation test of all positive results through mass
spectrometry. The use of mass spectrometry is an industry accepted practice used
to confirm positive drug test results of an initial screen. In an employment
setting, mass spectrometry confirmation is typically used prior to the taking of
any disciplinary action against an employee. The Company offers its clients a
five-drug screen with mass spectrometry confirmation of cocaine, PCP, marijuana,
methamphetamine, including Ecstasy, and opiates.

2. Schools

The Company currently has over 150 schools in 26 states and in several foreign
countries as clients. The Company offers its school clients the same five-drug
screen with mass spectrometry confirmation that is used with the Company's
workplace testing service.

3. Parents

The Company also offers a personal drug testing service, "PDT-90"(R), for
parents concerned about drug use by their children. It allows parents to collect
a small sample from their child in the privacy of the home, send it to the
Company's laboratory and have it tested for drugs of abuse by the Company. The
PDT-90 testing service uses the same patented method that is used with the
Company's workplace testing service.

4. Research

The list of research clients includes National Development and Research
Institute; The University of North Carolina at Chapel Hill; The University of
Pennsylvania; The Boston University School of Public Health; Yale University;
The Pacific Institute for Research and Evaluation; The University of Pittsburgh;
The Research Institute of Addiction, Buffalo, NY; The University of Texas; UCLA
Department of Family Medicine; Duke University Medical Center; Mathematica
Policy Research, Inc.; Columbia University; and The Center for Substance Abuse
Research.

SALES AND MARKETING

The Company markets its corporate drug testing services primarily through its
own sales force. Sales offices are located in major cities throughout the United
States in


7



order to facilitate communications with corporate employers. The
Company markets its home drug testing service, PDT-90, through the Internet and
retail distributors.

COMPETITION

The Company competes directly with numerous commercial laboratories that test
for drugs through urinalysis testing. Most of these laboratories, such as
Laboratory Corporation of America, have substantially greater financial
resources, market identity, marketing organizations, facilities, and numbers of
personnel than the Company. The Company has been steadily increasing its base of
corporate customers and believes that future success with new customers is
dependent on the Company's ability to communicate the advantages of implementing
a drug program utilizing the Company's patented hair analysis method.

The Company's ability to compete is also a function of pricing. The Company's
prices for its tests are generally somewhat higher than prices for tests using
urinalysis. However, the Company believes that its superior detection rates,
coupled with the customer's ability to test less frequently due to hair
testing's wider window of detection (several months versus approximately three
days with urinalysis) provide more value to the customer. This pricing policy
could, however, lead to slower sales growth for the Company.

The Company is the only laboratory with FDA-cleared hair tests. To date, any
other laboratories engaged in hair testing are using hair tests that have not
been approved or cleared by the FDA as accurate and reliable. Additionally,
several of these laboratories that purport to test hair samples use a method
that the Company presumes includes the use of a form of immunoassay procedures.
The Company, however, does not believe that immunoassay testing of hair samples
is as effective on a commercial basis without using the Company's unique
patented method, which allows for the efficient release of drugs from the hair
through enzyme digestion without destroying the drugs.

GOVERNMENT REGULATION

The Company is licensed as a clinical laboratory by the State of California as
well as certain other states. All tests are performed according to the
laboratory standards established by the Department of Health and Human Services,
through the Clinical Laboratories Improvement Amendments ("CLIA"), and various
state licensing statutes. Presently there are no other regulations required for
the operation of a clinical laboratory in the State of California.

A substantial number of states regulate drug testing. The scope and nature of
such regulations varies greatly from state to state and is subject to change
from time to time. The Company addresses state law issues on an ongoing basis.

In 2000 the FDA issued regulations under the Federal Food, Drug and Cosmetic
Act, as amended (the "FDC Act") with respect to companies that market "drugs of
abuse test sample collection systems". Under the regulations, companies engaged
in the business of testing for drugs of abuse using a test (screening assay) not
previously recognized by the FDA are required to submit their assay to the FDA
for recognition prior to marketing. In addition, the laboratory performing the
tests is required to be certified by a recognized agency. The regulations
included a transitional period in order


8





for companies not immediately in compliance with the proposed requirements to
obtain the necessary data they needed for submission to the FDA.

By May 3, 2002, the Company had received 510k clearance to market all five of
its assays. As of the date of the filing of this report (March 31, 2003), the
Company is the only laboratory using FDA-cleared hair testing assays.

On December 11, 2002 the Company received a letter from the FDA confirming the
requirement that laboratories must utilize drug screening assays which are
approved, cleared or otherwise recognized by the FDA as accurate and reliable
and stating that the Company is the only laboratory with assays cleared by the
FDA for use with hair testing. The Company had requested the letter in response
to what it believed were efforts on the part of certain competitors of the
Company to mislead potential customers by indicating that either the regulations
do not apply to workplace testing, or that the submission of an application for
clearance or approval by the FDA is tantamount to compliance.

The Drug Testing Advisory Board ("DTAB") of the Substance Abuse and Mental
Health Services Administration ("SAMHSA") is promulgating new guidelines for
mandatory testing in federal workplace programs. SAMHSA has included a Hair
Testing Working Group to advise DTAB. This group is comprised of representatives
in the drug-testing arena, including representatives from the Company. In the
draft Mandatory Guidelines, hair is included as a specimen which may be
collected. Should the final version of the federal guidelines remain
substantially unchanged from the draft version, and eventually become
incorporated into the Federal Register, then the federal workplace market,
previously limited to only urine testing, will be available to the Company.

RESEARCH AND DEVELOPMENT

The Company is continuously engaged in research and development activities.
During the years ended December 31, 2002, 2001 and 2000, $358,095, $608,186, and
$475,700, respectively, were expended for research and development. The Company
continues to perform research activities to develop new products and services
and to improve existing products and services utilizing the Company's
proprietary technology. Additional research using the Company's proprietary
technology is being conducted by outside research organizations through
government-funded studies.

Some of the research was directed to find alternative ways to more accurately
and reliably measure low concentrations of drugs present in hair, including the
use of Liquid Chromatography/Mass Spectrometry/Mass Spectrometry, (LC/MS/MS).
The Company has been the pioneer in this area and has developed three separate
assays for the determination of opiates, amphetamines and cocaine using this
technology. Some additional research has been conducted in the measurement of
concentrations of marijuana by Gas Chromatography/Mass Spectrometry/Mass
Spectrometry, (GC/MS/MS). This has been the most challenging, and requires the
most sensitive of equipment for its accurate measurement and qualitative
identification.

Additional research was conducted to evaluate the effectiveness of a methanol
wash in comparison to the Company's wash procedure, (which entails an
isoproponal wash followed by multiple extended buffer washes), in removing, and
accounting for, external contaminants on the hair. The study, which was
published in October 2002, concluded that the Company's extended wash, in
conjunction with wash criteria, cut-off levels and


9






metabolite identification, was a conservative policy in removing, and accounting
for, external contamination, while short methanol washes were inadequate in that
capacity.

SOURCES AND AVAILABILITY OF RAW MATERIALS

Since its inception, the Company has purchased raw materials for its laboratory
services from outside suppliers. The most critical of these raw materials are
the radio-labeled drugs which the Company purchases from a single supplier,
although other suppliers of radio-labeled drugs exist. The Company has entered
into an agreement with its principal supplier to purchase certain proprietary
information regarding the manufacture of such radio-labeled drugs owned by the
supplier in the event that the supplier ceases to be able to supply such
radio-labeled drugs to the Company.

EMPLOYEES

As of December 31, 2002, the Company had 98 full-time equivalent employees, of
whom three full-time employees were in research and development. None of the
Company's employees are subject to a collective bargaining agreement.

AVAILABLE INFORMATION

The Company's Internet website address is www.psychemedics.com. The Company's
annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on
Form 8-K and amendments to those reports are available through its Internet
website as soon as reasonably practicable after the Company electronically files
such material with, or furnishes it to, the SEC. The Company's Internet website
and the information contained therein or connected thereto are not intended to
be incorporated into this Annual Report on Form 10-K.

The public may also read and copy any materials that the Company files with the
SEC at the SEC's website www.sec.gov, which contains reports, proxy and
information statements and other information that all public companies file with
the SEC. In addition, the public may read and copy any materials the Company
files with the SEC at the SEC's Public Reference Room at 450 Fifth Street, N.W.,
Washington, D.C. 20549. The public may obtain information about the SEC's Public
Reference Room by calling 1-800-SEC-0330.


10




Item 2. Properties.

The Company maintains its corporate office and northeast sales office at 1280
Massachusetts Avenue, Cambridge, Massachusetts; the office is leased through
September 2003.

The Company leases 18,000 square feet of space in Culver City, California, for
laboratory purposes. This facility is leased through December 31, 2005 with an
option to renew for an additional two years. The Company also leases an
additional 5,400 square feet of space in Culver City, California for customer
service and information technology purposes. This office space is leased through
December 31, 2005.

Item 3. Legal Proceedings.

The Company is involved in various suits and claims in the ordinary course of
business. The Company does not believe that the disposition of any such suits or
claims will have a material adverse effect on the continuing operations or
financial condition of the Company.

Item 4. Submission of Matters To a Vote of Security Holders.

Not applicable.







11




PART II

Item 5. Market for Registrant's Common Equity and Related Shareholder Matters.

The Company's common stock is traded on the American Stock Exchange under the
symbol "PMD". As of March 17, 2003, there were 320 record holders of the
Company's common stock. The following table sets forth for the periods indicated
the range of prices for the Company's common stock as reported by the American
Stock Exchange and dividends declared by the Company.

On August 1, 2002, the Company effected a one-for-four reverse stock split. All
common shares and per share amounts herein have been retroactively adjusted to
reflect the reverse stock split.



Calendar Period High Low Dividends
- --------------- ------- -------- ---------

2002

Fourth Quarter $ 11.41 $ 9.15 $ 0.08
Third Quarter $ 11.88 $ 10.80 $ 0.08
Second Quarter $ 16.00 $ 11.20 $ 0.04
First Quarter $ 16.80 $ 12.00 $ 0.04


2001
Fourth Quarter $ 16.40 $ 12.80 $ 0.08
Third Quarter $ 17.84 $ 11.32 $ 0.08
Second Quarter $ 18.72 $ 15.76 $ 0.08
First Quarter $ 20.32 $ 14.60 $ 0.16

Future cash dividends may be declared at the discretion of the Board of
Directors.




12






EQUITY COMPENSATION PLAN INFORMATION

The following table provides information as of December 31, 2002 with respect to
shares of Company common stock that may be issued under the Company's 2000 Stock
Option Plan (the "2000 Stock Option Plan").

The table does not include information with respect to shares subject to
outstanding options granted under equity compensation plans that are no longer
in effect. Footnote (2) to the table sets forth the total number of shares of
common stock issuable upon the exercise of options under the expired or
discontinued plans as of December 31, 2002, and the weighted average exercise
price of those options. No additional options may be granted under those expired
or discontinued plans.





Number of Securities to Weighted average exercise
be issued upon exercise price of outstanding Number of securities
of outstanding options, options warrants and remaining available for
Plan category warrants and rights rights future issuance
---------------------------- --------------------------- --------------------------- --------------------------
(a) (b) (c)
---------------------------- --------------------------- --------------------------- --------------------------

Equity compensation plans 129,952 $17.28 370,048
approved by security
holders (1)
---------------------------- --------------------------- --------------------------- --------------------------
Equity compensation plans
not approved by security
holders 0 0 0
---------------------------- --------------------------- --------------------------- --------------------------
Total 129,952 $17.28 370,048
---------------------------- --------------------------- --------------------------- --------------------------


(1) Consists of the 2000 Stock Option Plan.

(2) This table does not include information for stock option plans that have
been discontinued or have expired. The Company's 1989 Non-Qualified Stock
Option Plan expired on September 22, 1999. The Company's 1989 Employee
Stock Option Plan was discontinued on May 11, 2000 in connection with the
adoption of the 2000 Stock Option Plan. The Company's 1991 Non-Qualified
Stock Option Plan expired on June 12, 2001. As of December 31, 2002, a
total of 418,105 shares of common stock were issuable upon the exercise of
outstanding options under the discontinued or expired plans. The weighted
average exercise price of outstanding options under all three plans is
$17.23 per share. No additional options may be granted under these
discontinued or expired plans.



13






Item 6. Selected Financial Data

The following selected financial data has been derived from the financial
statements of the Company and should be read in conjunction with, and is
qualified in its entirety by reference to, the financial statements and related
notes thereto.




As of and for the Years Ended
----------------------------------------------------------------------
December 31,
----------------------------------------------------------------------
2002 2001 2000 1999 1998
------------- ------------- ------------- ------------- -------------
(In thousands, except for per share data)


Revenue $16,068 $15,730 $ 19,220 $19,623 $17,670
Gross profit 9,049 7,915 10,325 11,169 10,201
Income from operations 1,936 323 2,430 3,547 3,307
Net income 1,256 233 1,699 2,326 2,397
Basic net income per share 0.24 0.04 0.32 0.43 0.43
Diluted net income per share 0.24 0.04 0.32 0.42 0.42
Total assets 8,083 9,108 11,058 14,191 19,083
Working capital 4,540 4,075 5,523 8,184 11,609
Shareholders' equity 6,344 6,772 8,726 11,806 15,883
Cash dividends declared per
common share $ 0.24 $ 0.40 $ 0.64 $ 0.64 $ 0.44



14




Item 7. Management's Discussion and Analysis of Financial Condition and Results
of Operations.

FACTORS THAT MAY AFFECT FUTURE RESULTS

From time to time, information provided by the Company or statements made by its
employees may contain "forward-looking" information which involves risks and
uncertainties. In particular, statements contained in this report which are not
historical facts (including, but not limited to, the Company's expectations
regarding revenues, business strategy, anticipated operating results, strategies
with respect to governmental agencies and regulations, cash dividends and
anticipated cash requirements) may be "forward-looking" statements. The
Company's actual results may differ from those stated in any "forward-looking"
statements. Factors that may cause such differences include, but are not limited
to, employee hiring practices of the Company's principal customers, risks
associated with the continued expansion of the Company's sales and marketing
network, development of markets for new products and services offered by the
Company, the economic health of principal customers of the Company, financial
and operational risks associated with possible expansion of testing facilities
used by the Company, government regulation (including, but not limited to, Food
and Drug Administration regulations), competition and general economic
conditions.

CRITICAL ACCOUNTING POLICIES

The Company's significant accounting policies are described in Note 1 to the
financial statements included in Item 8 of this Form 10-K. Management believes
the most critical accounting policies are as follows:

Revenue Recognition

Revenues from the Company's services are recognized upon reporting of drug test
results to the customer. Deferred revenue represents payments in advance of
performance of drug testing procedures.

Estimates

The preparation of financial statements in conformity with accounting principles
generally accepted in the United States requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.

Allowance for Doubtful Accounts

The allowance for doubtful accounts is based on management's assessment of the
collectibility of its customer accounts. The Company routinely assesses the
financial strength of its customers and, as a consequence, believes that its
accounts receivable credit risk exposure is limited. The Company maintains an
allowance for potential credit losses but historically has not experienced any
significant losses related to individual customers or groups of customers in any
particular industry or geographic area.




15




Income Taxes

As part of the process of preparing the Company's financial statements, the
Company is required to estimate income taxes in each of the jurisdictions in
which it operates. This process involves the preparation of an estimate of the
Company's actual current tax exposure together with assessing temporary
differences resulting from differing treatment of items, such as deferred
revenue, for tax and accounting purposes. These differences result in deferred
tax assets and liabilities, which are included within the balance sheet. The
Company must then assess the likelihood that the deferred tax assets will be
recovered from future taxable income and to the extent it believes that recovery
is not likely, it must establish a valuation allowance. To the extent the
Company establishes a valuation allowance or increase this allowance in a
period, it must include an expense within the tax provision in the statement of
operations.

Significant management judgment is required in determining the provision for
income taxes, deferred tax assets and liabilities and any valuation allowance
recorded against net deferred tax assets. In the event that actual results
differ from these estimates or the Company adjusts these estimates in future
periods, it may need to establish a valuation allowance, which could materially
impact the Company's financial position and results of operations.

The above listing is not intended to be a comprehensive list of all of the
Company's accounting policies. In many cases, the accounting treatment of a
particular transaction is specifically dictated by accounting principles
generally accepted in the United States, with no need for management's judgment
in their application. There are also areas in which management's judgment in
selecting any available alternative would not produce a materially different
result.

RESULTS OF OPERATIONS

Revenue was $16.1 million in 2002, as compared to $15.7 million in 2001 and
$19.2 million in 2000, representing an increase of 2% in 2002 and a decrease of
18% in 2001 versus prior year levels. The increase in revenue for 2002 was due
to an increase in average revenue per sample (due primarily to an increase in
sample collection revenue) while the testing volume remained relatively
constant. The decrease in revenue for 2001 was due primarily to a decrease in
volume of hair samples processed from existing customers, while the average
revenue per sample remained relatively constant. The Company believes that the
lower volume in 2002 and 2001, when compared to 2000, is due largely to the
continued economic downturn, as many existing clients experienced deep
reductions in their new hires and the related number of their drug tests. The
Company, however, has continued to add new clients in 2002 and 2001.

Gross margin was 56% of revenues in 2002 as compared to 50% of revenues in 2001
and 54% of revenues in 2000. The increase in gross margin in 2002 was due to
average revenue per sample increasing by 2% and cost reductions, consisting
primarily of reduced personnel expenses, at the Company's laboratory. The
decrease in gross margin in 2001 was caused by fixed and semi-variable direct
costs being spread over a lower number of tests performed. Despite the 18%
decrease in revenue in 2001, the Company's gross margin only decreased to 50% in
2001 from 54% in 2000 as a result of the implementation of cost reduction
measures at its laboratory during 2001.


16




General and administrative expenses decreased by $118,000 to $3.0 million in
2002 from $3.1 million in 2001 and decreased by $161,000 to $3.1 million in 2001
from $3.3 million in 2000. The decrease in general and administrative expenses
for 2002 as compared to 2001 was due to reduced professional fees related to
strategic corporate development and investor relations along with a decrease in
travel expense, partially offset by greater personnel costs and an increase in
business insurance costs. All other general and administrative expenses remained
relatively constant. The decrease in general and administrative expenses for
2001 as compared to 2000 was due to reduced professional fees related to legal
services and investor relations along with a decrease in bad debt expense,
partially offset by an increase in professional fees related to strategic
corporate development. All other general and administrative expenses remained
relatively constant. General and administrative expenses represented 19% of
revenues in 2002 as compared to 20% of revenues in 2001 and 17% of revenues in
2000. The increase in general and administrative expenses as a percentage of
revenues for 2002 and 2001, as compared to 2000, is primarily due to the factors
previously discussed and a lower revenue base.

Marketing and selling expenses decreased by $110,000 to $3.7 million in 2002
from $3.9 million in 2001 and decreased by $275,000 to $3.9 million in 2001 from
$4.2 million in 2000. The decrease in marketing and selling expenses for 2002 as
compared to 2001 was due primarily to a reduction in expenses related to the
Company's sales and support staff, which were partially offset by an increase in
customer service costs. The decrease in marketing and selling expenses for 2001
as compared to 2000 was due to reduced expenses related to public relations,
advertising and recruitment costs, which were slightly offset by an increase in
customer service costs. The Company expects to continue to aggressively promote
its drug testing services in future years in order to expand its client base.
Marketing and selling expenses as a percentage of revenues were 23%, 25% and 22%
in 2002, 2001 and 2000, respectively. The increase in marketing and selling
expenses as a percentage of revenues for 2002 and 2001 as compared to 2000 is
primarily due to the factors previously discussed and a lower revenue base.

Research and development expenses decreased $250,000 to $358,000 from 2001 to
2002 and increased $132,000 to $608,000 from 2000 to 2001. This decrease was
primarily due to non-recurring expenses related to applying for United States
Food and Drug Administration ("FDA") 510k clearance for its assays that were
incurred in 2001, and also to a lesser extent in 2000. Research and development
expenses represented 2% of revenues in 2002, 4% of revenues in 2001 and 3% of
revenue in 2000.

Other income increased $53,000 to $179,000 from 2001 to 2002 and decreased
$336,000 to $125,000 from 2000 to 2001. During 2002, the Company recorded a
settlement with a retailer of its personal drug testing kits for the payment to
the Company for kits that will not be re-sold by the retailer. The Company
recognized a gain of $137,000 relating to this settlement, which is included in
other income. The decrease in 2001 is largely the result of a $200,000 legal
settlement received by the Company from a breach of contract dispute with a
third party administrator in 2000. The remainder of other income represented
interest earned on cash equivalents. Although average investment balances
increased during 2002 as compared to 2001, interest income decreased by $83,000
due to lower yields on average cash equivalent balances. Net interest income
decreased by $136,000 in 2001 as compared to 2000, due to lower average cash
equivalent balances along with decreased yields on these investments.


17




During 2002, the Company recorded a tax provision of $859,000, reflecting an
effective tax rate of 40.6%, as compared with effective tax rates of 48.2% in
2001 and 41.3% in 2000. The higher effective tax rate for 2001 was due primarily
to the impact of permanently non-deductible items, on a lower base of pre-tax
income.

LIQUIDITY AND CAPITAL RESOURCES

At December 31, 2002, the Company had $3.6 million of cash and cash equivalents,
compared to $3.1 million at December 31, 2001. The Company's operating
activities generated net cash of $2,436,000 in 2002, $2,466,000 in 2001 and
$3,205,000 in 2000. Investing activities used $214,000 in 2002 and $591,000 in
2001, and generated $4,139,000 in 2000. Financing activities used $1,684,000 in
2002, $2,199,000 in 2001 and $4,809,000 in 2000.

Operating cash flow of $2,436,067 in 2002 principally reflects net income of
$1,255,700 adjusted for depreciation and amortization of $1,142,089 as the
change in operating assets and liabilities offset each other. Operating cash
flow in 2002 was consistent with 2001 and less than 2000 due to a higher level
of net income in 2000. The non-cash effect of depreciation and amortization
expense in 2001 and 2000 was $1,268,000 and $1,277,000, respectively.

Capital expenditures in 2002 were $206,000, a decrease of $374,000 from 2001
expenditures of $580,000. The expenditures related principally to new equipment,
including laboratory and computer equipment. The Company currently plans to make
capital expenditures of approximately $700,000 in 2003, primarily in connection
with the purchase of additional laboratory and computer equipment. The Company
believes that within the next two to four years it may be required to expand its
existing laboratory or develop a second laboratory, the cost of which is
currently believed to range from $2 million to $4 million, which the company
expects to fund primarily through its operating cash flows.

During 2002, the Company repurchased a total of 45,000 shares for treasury at an
aggregate cost of $442,000. During 2001, the Company repurchased a total of
32,339 shares for treasury at an aggregate cost of $505,000. During 2000, the
Company repurchased a total of 71,650 shares for treasury at an aggregate cost
of $1,418,000.

The Company distributed $1,262,000, $2,115,000 and $3,394,000 of cash dividends
to its shareholders in 2002, 2001 and 2000, respectively.



18




Contractual obligations as of December 31, 2002 were as follows:



Less Than One After 5
Year 1-3 Years 4-5 years Years Total
--------------- ------------- -------------- ------------- ------------------

Operating leases $524,000 755,000 - - $ 1,279,000



Purchase Commitment

The Company has a supply agreement with a vendor which requires the Company to
purchase isotopes used in its drug testing procedures from this sole supplier in
exchange for variable annual payments based upon prior year purchases. Purchases
amounted to $436,226 in 2002 and $494,672 in 2001. The Company expects to
purchase approximately $438,000 in 2003. In exchange for exclusivity, the
supplier has provided the Company with the right to purchase the isotope
technology at fair market value under certain conditions, including the failure
to meet the Company's purchase commitments. This agreement does not include a
fixed termination date, however, it is cancelable upon mutual agreement by both
parties or six months after termination notice by the Company of its intent to
use a different technology in connection with its drug testing procedures.

At December 31, 2002, the Company's principal sources of liquidity included $3.6
million of cash and cash equivalents. Management currently believes that such
funds, together with future operating profits, should be adequate to fund
anticipated working capital requirements and capital expenditures in the near
term. Depending upon the Company's results of operations, its future capital
needs and available marketing opportunities, the Company may use various
financing sources to raise additional funds. Such sources could include joint
ventures, issuance of common stock or debt financing. At December 31, 2002, the
Company had no long-term debt. The Company has paid dividends over the past six
years. The Company's current intention is to continue to declare dividends at
the discretion of the Board of Directors.

Recent Accounting Pronouncements

In July 2002, the Financial Accounting Standards Board (FASB) issued SFAS
No.146, Accounting for Costs Associated with Exit or Disposal Activities. SFAS
No. 146 addresses financial accounting and reporting for costs associated with
exit or disposal activities and rescinds Emerging Issues Task Force ("EITF")
Issue No. 94-3, Liability Recognition for Certain Employee Termination Benefits
and Other Costs to Exit an Activity (including Certain Costs Incurred in a
Restructuring). This Statement requires that a liability for a cost associated
with an exit or disposal activity be recognized when the liability is incurred.
The provisions of SFAS No. 146 are effective for exit and disposal activities
that are initiated after December 31, 2002. The Company does not expect the
adoption of SFAS No. 146 to have a material impact on its financial position or
results of operations.

In December 2002, the FASB issued Statement of Accounting Standards No. 148
("SFAS 148"), Accounting for Stock-Based Compensation - Transition and
Disclosure, an amendment of FASB Statement No. 123. SFAS 148 amends FASB
Statement No. 123, Accounting for Stock-Based Compensation, to provide
alternative methods of transition for an entity that voluntarily changes to the
fair value based method of accounting for stock-based employee compensation.
SFAS 148 also amends the


19





disclosure provisions of FASB Statement No. 123 to require prominent disclosure
about the effects on reported net income of an entity's accounting policy
decisions with respect to stock-based employee compensation beginning in annual
periods ending after December 15, 2002. The requisite disclosures appear in Note
1 to the financial statements.

SFAS 148 also amends APB Opinion No. 28, "Interim Financial Reporting", to
require disclosure about those effects in interim financial statements. The
Company currently does not intend to voluntarily change from the intrinsic value
method to the fair value method of accounting for stock-based employee
compensation. The Company will provide the required disclosure about the effects
on reported net income of the Company's accounting policy decisions with respect
to stock-based employee compensation commencing with its interim financial
statements for the three-month period ending March 31, 2003.

In January 2003, the FASB issued Interpretation No. 46, Consolidation of
Variable Interest Entities, (Interpretation No. 46) to clarify the conditions in
which assets, liabilities and activities of another entity should be
consolidated into a variable interest entity (including a special purpose entity
such as that utilized in an accounts receivable securitization transaction) by a
company that bears the majority of the risk of loss from the variable interest
entity's activities, or is entitled to receive a majority of the variable
interest entity's residual returns, or both. The provisions of Interpretation
No. 46 are required to be adopted by the Company in fiscal year 2003. The
Company does not believe the adoption of Interpretation No. 46 will have any
impact on its overall financial position or results of operations.

In April 2002, the FASB issued Statement No. 145, Recission of FASB Statements
No. 4, 44, and 64, Amendment of FASB Statement No. 13 and Technical Corrections.
This statement eliminates extraordinary accounting for a gain or loss reported
on the extinguishment of debt and amends other existing authoritative
pronouncements to make technical corrections, clarify meanings or describe their
applicability under changed conditions. The provisions of this standard are
effective for the Company with the beginning of fiscal 2003, however, the
Company does not believe the adoption of this standard will have a material
impact on its overall financial position or results of operations.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

The following discussion about the Company's market risk disclosures involves
forward-looking statements. Actual results could differ materially from those
projected in the forward-looking statements. The Company is exposed to market
risk related to changes in interest rates. The Company does not use derivative
financial instruments for speculative or trading purposes.

Interest Rate Sensitivity. The Company maintains a short-term investment
portfolio consisting principally of money market securities that are not
sensitive to sudden interest rate changes.

Item 8. Financial Statements and Supplementary Data

The financial statements are included in this report on pages F-1 through F-17.


20





Item 9. Changes in and Disagreements with Accountants on Accounting and
Financial Disclosure

Arthur Andersen LLP was dismissed as the Registrant's independent accountants
effective as of the close of business on June 26, 2002. The decision to change
accountants was recommended by the Audit Committee of the Registrant's Board of
Directors, and approved by the full Board of Directors of the Registrant. On
July 16, 2002, upon the recommendation of its Audit Committee, the Board of
Directors of Psychemedics Corporation named Ernst & Young LLP as the Company's
new independent auditors. During Psychemedics Corporation's fiscal years ended
December 31, 2001 and 2000 and the subsequent interim period ended July 16,
2002, the Company did not consult with Ernst & Young LLP with respect to the
application of accounting principles to a specified transaction or the type of
audit opinion that might be rendered on Psychemedics Corporation's financial
statements.









21





PART III

Item 10. Directors and Executive Officers of the Registrant.

Following is a list that sets forth as of March 31, 2003 the names, ages and
positions within the Company of all of the Executive Officers of the Company and
the Directors of the Company. Each such director has been nominated for
reelection at the Company's 2003 Annual Meeting, to be held on May 14, 2003 at
2:30 P.M. at the Charles Hotel, 1 Bennett Street, Cambridge, Massachusetts.



NAME AGE POSITION
- ---- --- --------


Raymond C. Kubacki, Jr. 58 Chief Executive
Officer, President,
Director

A. Clinton Allen 59 Chairman of the Board,
Director


Peter C. Monson 47 Chief Financial Officer, Vice
President and Treasurer

William Thistle, Esq. 53 Senior Vice President,
General Counsel

Michael I. Schaffer, Ph.D 58 Vice President,
Laboratory Operations

William Dausey 52 Vice President, Sales

Donald F. Flynn 63 Director,
Audit Committee member,
Compensation Committee member

Walter S. Tomenson, Jr. 56 Director,
Audit Committee member,
Compensation Committee member

Fred J. Weinert 55 Director,
Audit Committee member,
Compensation Committee member




All Directors hold office until the next annual meeting of stockholders or until
their successors are elected. Officers serve at the discretion of the Board of
Directors.

Mr. Kubacki has served as President and Chief Executive Officer and as a
Director of the Company since 1991. Prior to joining the Company, he served as
Vice President-National Accounts and Director of Sales and Marketing for
Reliance COMM/TEC Corporation, a subsidiary of Reliance Electric Co.


22





Mr. Allen has been Chairman of the Board since March 28, 2002. Previously, he
served as Vice Chairman. Mr. Allen has been a director of the Company since
1989. He is a director of Steinway Musical Instruments, Inc., Integrated Alarm
Services Group, Inc. and Collectors Universe, Inc.

Mr. Monson has been the Company's Chief Financial Officer since March 2000. He
has served as a Vice President, Treasurer of the Company since 1998. From 1996
until joining the Company, Mr. Monson was a financial consultant to several
different companies, most recently with GTE Internetworking. From 1994 to 1996,
Mr. Monson was Chief Financial Officer of Bet Systems, Inc. From 1991 to 1994,
Mr. Monson was the Corporate Controller and Treasurer of Gamma International,
Ltd., a publicly traded gaming company.

Mr. Thistle joined the Company in 1995 as Vice President and General Counsel and
was made a Senior Vice President in September of 2001. Prior to joining the
Company, he served as Associate General Counsel for MGM Grand in Las Vegas from
1993 to 1995. From 1989 to 1993, Mr. Thistle was Associate General Counsel for
Harrah's Casino Resorts. Mr. Thistle is on the Legal Advisory Board of the
Institute for a Drug Free Workplace and is a board member of the Drug and
Alcohol Testing Industry Association ("DATIA").

Dr. Schaffer joined the Company in 1999 as Vice President of Laboratory
Operations. Prior to joining the Company, he served as Director of Toxicology,
Technical Manager and Responsible Person for the Leesburg, Florida laboratory of
SmithKline Beecham Clinical Laboratories, from 1990 to 1999. Dr. Schaffer has
been an inspector for the Substance Abuse and Mental Health Services
Administration's National Laboratory Certification Program since 1989. Dr.
Schaffer was also a member of the Board of Directors of the American Board of
Forensic Toxicologists from 1990 to 1999.

Mr. Dausey joined the Company in April, 2000 as Vice President of Sales. From
1996 until joining the Company, Mr. Dausey was Vice President of Sales for
NorthWestern Corporation. Previous positions include Vice President of Sales for
PTC Aerospace and various positions at BF Goodrich Company.

Mr. Flynn has been the sole stockholder of Flynn Enterprises, Inc., a venture
capital, hedging and consulting firm based in Chicago, Illinois since its
inception in 1988. He also served as Chairman of the Board of LKQ Corporation, a
company engaged in the automobile recycling business, since 1999, and served as
its sole director from 1998 to 1999. He was the Vice Chairman of the Blue Chip
Casino, Inc., an owner and operator of a riverboat gaming vessel in Michigan
City, Indiana from 1997 until 1999 when Blue Chip was sold to Boyd Gaming
Corporation. Mr. Flynn also was Chairman of the Board from 1992 until 1996 and
Chief Executive Officer from 1992 until 1995 of Discovery Zone, Inc., an
operator of indoor entertainment and fitness facilities for children. From 1972
to 1990, Mr. Flynn served in various positions with Waste Management, Inc.
including Senior Vice President and Chief Financial Officer. Mr. Flynn serves as
a Director of Extended Stay America, Inc., an owner and operator of
extended-stay lodging facilities. Mr. Flynn has been a director of the Company
since 1989.

Mr. Tomenson has been Managing Director and Chairman of Client Development of
Marsh, Inc. since 1998. From 1993 to 1998, he was chairman of FINPRO, the
financial services division of Marsh, Inc. In addition, he is a member of the
Board of Directors of Marsh, Inc. Mr. Tomenson is a Director of the Trinity
College School Fund, Inc. He

23






also serves on the Executive Council of the Inner-City Scholarship Fund. Mr.
Tomenson has been a director of the Company since 1999.

Mr. Weinert is an entrepreneur whose current business activities are
concentrated in real estate development, theatre and film development, and also
in the cosmetic and fragrance industry in Latin America. He is CEO of Barrington
Services Group Inc., Bella Firms LLC, and San Telmo Inc. For the past 18 years
he has served on the Business Advisory Council for the University of Dayton. He
is also a trustee of the Center for Excellence in Education based in Washington,
DC. Mr. Weinert has been a director of the Company since 1991.

The information required by Item 405 of Regulation S-K will be set forth in the
Proxy Statement of the Company relating to the 2003 Annual Meeting of
Stockholders to be held on May 14, 2003 and is incorporated herein by reference.

Item 11. Executive Compensation

The information required by this item will be set forth in the Proxy Statement
of the Company relating to the 2003 Annual Meeting of Stockholders to be held on
May 14, 2003 and is incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management

The information required by this item will be set forth in the Proxy Statement
of the Company relating to the 2003 Annual Meeting of Stockholders to be held on
May 14, 2003 and is incorporated herein by reference.

Item 13. Certain Relationships and Related Transactions

The information required by this item will be set forth in the Proxy Statement
of the Company relating to the 2003 Annual Meeting of Stockholders to be held on
May 14, 2003 and is incorporated herein by reference.

Item 14. Controls and Procedures

Within the 90 days prior to the date of this report, our Chief Executive Officer
and Chief Financial Officer performed an evaluation of the effectiveness of the
design and operation of the Company's disclosure controls and procedures
pursuant to Exchange Act Rule 13a-14. Based upon that evaluation, the Chief
Executive Officer and Chief Financial Officer concluded that the Company's
disclosure controls and procedures are effective in ensuring the reporting of
material information required to be included in the Company's periodic filings
with the Securities and Exchange Commission. There were no significant changes
in the Company's internal controls or in other factors that could significantly
affect these internal controls subsequent to the date of the most recent
evaluation.



24





PART IV

Item 15. Exhibits, Financial Statement Schedules, and Reports on Form 8-K.




(a) (1) Financial Statements: Page
----


Report of Independent Auditors F-1

Report of Independent Public Accountants F-2

Balance Sheets as of December 31, 2002 and 2001 F-3

Statements of Income for the Years
Ended December 31, 2002, 2001 and 2000 F-4

Statements of Shareholders' Equity for the Years
Ended December 31, 2002, 2001 and 2000 F-5

Statements of Cash Flows for the Years
Ended December 31, 2002, 2001 and 2000 F-6

Notes to Financial Statements F-7

(2) Schedules

None

(3) Exhibits (see the Index to Exhibits included elsewhere in this
Report)

(b) Reports on Form 8-K

None






25






SIGNATURES

Pursuant to the requirements of Section 13 or 15 (d) of the Securities Exchange
Act of 1934, the registrant has duly caused this Report to be signed on its
behalf by the undersigned, thereunto duly authorized.

PSYCHEMEDICS CORPORATION


By:/s/ Raymond C. Kubacki, Jr.
--------------------------------
Raymond C. Kubacki, Jr.
President and Chief Executive Officer


Date: March 31, 2003

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report
has been signed below by the following persons on behalf of the Registrant and
in the capacities and on the dates indicated.




/s/ Raymond C. Kubacki, Jr. March 31, 2003
- ------------------------------------
Raymond C. Kubacki, Jr.
President and Chief Executive
Officer, Director
(Principal Executive Officer)

/s/ Peter C. Monson March 31, 2003
- ------------------------------------
Peter C. Monson
Vice President, Chief Financial Officer & Treasurer
(Principal Financial and Accounting Officer)

/s/ A. Clinton Allen March 31, 2003
- --------------------------------------------
A. Clinton Allen
Director

/s/ Donald F. Flynn March 31, 2003
- --------------------------------------------
Donald F. Flynn
Director

/s/ Walter S. Tomenson, Jr. March 31, 2003
- ------------------------------------
Walter S. Tomenson, Jr.
Director

/s/ Fred J. Weinert March 31, 2003
- --------------------------------------------
Fred J. Weinert
Director




26





CERTIFICATIONS



I, Raymond C. Kubacki, Jr., President and Chief Executive Officer of
Psychemedics Corporation, certify that:


1. I have reviewed this annual report on Form 10-K of Psychemedics
Corporation;

2. Based on my knowledge, this annual report does not contain any untrue
statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which
such statements were made, not misleading with respect to the period
covered by this annual report;

3. Based on my knowledge, the financial statements, and other financial
information included in this annual report, fairly present in all
material respects the financial condition, results of operations and
cash flows of the registrant as of, and for, the periods presented in
this annual report;

4. The registrant's other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and
we have:

a) designed such disclosure controls and procedures to ensure
that material information relating to the registrant,
including its consolidated subsidiaries, is made known to us
by others within those entities, particularly during the
period in which this annual report is being prepared;

b) evaluated the effectiveness of the registrant's disclosure
controls and procedures as of a date within 90 days prior to
the filing date of this annual report (the "Evaluation Date");
and

c) presented in this annual report our conclusions about the
effectiveness of the disclosure controls and procedures based
on our evaluation as of the Evaluation Date;

5. The registrant's other certifying officer and I have disclosed, based
on our most recent evaluation, to the registrant's auditors and the
audit committee of registrant's board of directors (or persons
performing the equivalent functions):

a) all significant deficiencies in the design or operation of
internal controls which could adversely affect the
registrant's ability to record, process, summarize and report
financial data and have identified for the registrant's
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management
or other employees who have a significant role in the
registrant's internal controls; and


26




6. The registrant's other certifying officer and I have indicated in this
annual report whether or not there were significant changes in internal
controls or in other factors that could significantly affect internal
controls subsequent to the date of our most recent evaluation,
including any corrective actions with regard to significant
deficiencies and material weaknesses.


Date: March 31, 2003 By: /s/ Raymond C. Kubacki, Jr.
----------------------------------
Raymond C. Kubacki, Jr.
President and Chief Executive Officer




I, Peter C. Monson, Vice President, Treasurer and Chief Financial Officer of
Psychemedics Corporation, certify that:

1. I have reviewed this annual report on Form 10-K of Psychemedics
Corporation;

2. Based on my knowledge, this annual report does not contain any untrue
statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which
such statements were made, not misleading with respect to the period
covered by this annual report;

3. Based on my knowledge, the financial statements, and other financial
information included in this annual report, fairly present in all
material respects the financial condition, results of operations and
cash flows of the registrant as of, and for, the periods presented in
this annual report;

4. The registrant's other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and
we have:

a) designed such disclosure controls and procedures to ensure
that material information relating to the registrant,
including its consolidated subsidiaries, is made known to us
by others within those entities, particularly during the
period in which this annual report is being prepared;

b) evaluated the effectiveness of the registrant's disclosure
controls and procedures as of a date within 90 days prior to
the filing date of this annual report (the "Evaluation Date");
and

c) presented in this annual report our conclusions about the
effectiveness of the disclosure controls and procedures based
on our evaluation as of the Evaluation Date;

5. The registrant's other certifying officer and I have disclosed, based
on our most recent evaluation, to the registrant's auditors and the
audit committee of registrant's board of directors (or persons
performing the equivalent functions):



28





a) all significant deficiencies in the design or operation of
internal controls which could adversely affect the
registrant's ability to record, process, summarize and report
financial data and have identified for the registrant's
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management
or other employees who have a significant role in the
registrant's internal controls; and

6. The registrant's other certifying officer and I have indicated in this
annual report whether or not there were significant changes in internal
controls or in other factors that could significantly affect internal
controls subsequent to the date of our most recent evaluation,
including any corrective actions with regard to significant
deficiencies and material weaknesses.


Date: March 31, 2003 By: /s/ Peter C. Monson
-------------------
Peter C. Monson
Vice President, Treasurer &
Chief Financial Officer




29





Report of Independent Auditors

To the Board of Directors and
Shareholders of Psychemedics Corporation:

We have audited the accompanying balance sheet of Psychemedics Corporation
as of December 31, 2002 and the related statements of income, shareholders'
equity and cash flows for the year ended December 31, 2002. These financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these financial statements based on
our audit. The financial statements of Psychemedics Corporation as of December
31, 2001 and for each of the two years in the period ended December 31, 2001
were audited by other auditors who have ceased operations and whose report dated
February 4, 2002 expressed an unqualified opinion on those statements before the
restatement adjustments described in Note 1.

We conducted our audit in accordance with auditing standards generally
accepted in the United States. Those standards require that we plan and perform
the audit to obtain reasonable assurance about whether the financial statements
are free of material misstatement. An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial statements. An
audit also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audit provides a reasonable basis
for our opinion.

In our opinion, the 2002 financial statements referred to above present
fairly, in all material respects, the financial position of Psychemedics
Corporation at December 31, 2002 and the results of its operations and its cash
flows for the year ended December 31, 2002, in conformity with accounting
principles generally accepted in the United States.

As discussed above, the financial statements of Psychemedics Corporation as
of December 31, 2001 and for each of the two years in the period ended December
31, 2001 were audited by other auditors who have ceased operations. As described
in Note 1, in 2002, the Company's Board of Directors approved a one-for-four
reverse stock split, and all references to number of shares and per share
information in the financial statements have been adjusted to reflect the stock
split on a retroactive basis. We audited the adjustments that were applied to
restate the number of shares and per share information reflected in the 2001 and
2000 financial statements. Our procedures included (a) agreeing the
authorization for the one-for-four reverse stock split to the Company's
underlying records obtained from management, and (b) testing the mathematical
accuracy of the restated number of shares, basic and diluted earnings per share
and stock option information. In our opinion, such adjustments are appropriate
and have been properly applied. However, we were not engaged to audit, review,
or apply any procedures to the 2001 or 2000 financial statements of the Company
other than with respect to such adjustments and, accordingly, we do not express
an opinion or any other form of assurance on the 2001 or 2000 financial
statements taken as a whole.

/s/ Ernst & Young LLP

Boston, Massachusetts
February 6, 2003



F-1






This is a copy of the audit report previously issued by Arthur Andersen LLP
in connection with the financial statements of Psychemedics Corporation as of
December 31, 2001 and 2000 and each of the three years in the period ended
December 31, 2001 included in the Annual Report on Form 10-K of Psychemedics
Corporation for the fiscal year ended December 31, 2001. This audit report has
not been reissued by Arthur Andersen LLP in connection with the filing of this
Annual Report on Form 10-K for the fiscal year ended December 31, 2002. The
balance sheet as of December 31, 2000 and the statements of income,
shareholders' equity and cash flows for the year ended December 31, 1999 related
to this audit report have not been included in the financial statements in this
Annual Report on Form 10-K for the fiscal year ended December 31, 2002. See
Exhibit 23.2 included in this Annual Report on Form 10-K for further discussion.


REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS


To Psychemedics Corporation:

We have audited the accompanying balance sheets of Psychemedics Corporation (a
Delaware corporation) as of December 31, 2001 and 2000 and the related
statements of income, shareholders' equity and cash flows for each of the three
years in the period ended December 31, 2001. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits.

We conducted our audits in accordance with auditing standards generally accepted
in the United States. Those standards require that we plan and perform the audit
to obtain reasonable assurance about whether the financial statements are free
of material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant estimates
made by management, as well as evaluating the overall financial statement
presentation. We believe that our audits provide a reasonable basis for our
opinion.

In our opinion, the financial statements referred to above present fairly, in
all material respects, the financial position of Psychemedics Corporation as of
December 31, 2001 and 2000, and the results of its operations and its cash flows
for each of the three years in the period ended December 31, 2001, in conformity
with accounting principles generally accepted in the United States.



ARTHUR ANDERSEN LLP


Boston, Massachusetts
February 4, 2002





F-2






PSYCHEMEDICS CORPORATION
BALANCE SHEETS
DECEMBER 31,
-------------------------------------
2002 2001
------------------ ------------------
ASSETS

CURRENT ASSETS:
Cash and cash equivalents $ 3,648,913 $ 3,110,700
Accounts receivable, net of allowance for doubtful accounts
of $513,589 in 2002 and $544,244 in 2001 1,723,689 2,025,423
Prepaid expenses and other assets 512,587 804,185
Deferred tax assets 393,920 471,028
------------------ -----------------
Total current assets 6,279,109 6,411,336

PROPERTY AND EQUIPMENT:
Computer software 1,205,840 1,205,840
Office furniture and equipment 1,693,315 1,603,016
Laboratory equipment 5,522,445 5,406,950
Leasehold improvements 900,336 900,336
------------------ -----------------
9,321,936 9,116,142
Less - Accumulated depreciation and amortization (7,828,602) (6,753,733)
------------------ -----------------
1,493,334 2,362,409
DEFERRED TAX ASSET 95,819 61,120
OTHER ASSETS 214,412 273,518
------------------ -----------------
$ 8,082,674 $ 9,108,383
================== =================

LIABILITIES AND SHAREHOLDERS' EQUITY
CURRENT LIABILITIES:
Accounts payable $ 337,703 $ 376,089
Accrued expenses 1,015,509 1,207,032
Deferred revenue 385,729 753,283
------------------ -----------------
Total current liabilities 1,738,941 2,336,404

COMMITMENTS AND CONTINGENCIES

SHAREHOLDERS' EQUITY:
Preferred stock, $0.005 par value; 872,521 shares authorized
and none outstanding - -
Common stock, $0.005 par value; 50,000,000 shares
authorized, 5,658,430 shares in 2002 and 5,656,329
shares in 2001 issued 28,292 28,281
Paid-in capital 24,591,477 24,571,593
Accumulated deficit (10,331,194) (10,324,621)
Less - Treasury stock, at cost; 442,105 shares in 2002 and
397,105 shares of Common Stock in 2001 (7,944,842) (7,503,274)
------------------ -----------------
Total shareholders' equity 6,343,733 6,771,979
------------------ -----------------
$ 8,082,674 $ 9,108,383
================== =================






The accompanying notes are an integral part of these financial statements.




F-3








PSYCHEMEDICS CORPORATION
STATEMENTS OF INCOME

YEARS ENDED DECEMBER 31,
-----------------------------------------------------------------

2002 2001 2000
------------------- ------------------- -------------------



REVENUE $ 16,068,130 $ 15,730,106 $ 19,219,700
COST OF REVENUE 7,018,820 7,815,019 8,895,148
------------------- ------------------- --------------------
Gross profit 9,049,310 7,915,087 10,324,552

OPERATING EXPENSES:
General and administrative 3,010,039 3,128,280 3,288,951
Marketing and selling 3,745,178 3,855,429 4,130,197
Research and development 358,095 608,186 475,700
------------------- ------------------- -------------------
7,113,312 7,591,895 7,894,848
------------------- ------------------- -------------------
Income from operations 1,935,998 323,192 2,429,704

OTHER INCOME
Interest income 42,213 125,333 261,644
Other income 136,489 - 200,000
------------------- ------------------- -------------------
178,702 125,333 461,644

INCOME BEFORE PROVISION
FOR INCOME TAXES 2,114,700 448,525 2,891,348
PROVISION FOR INCOME TAXES 859,000 216,000 1,192,750
------------------ ------------------- -------------------

NET INCOME $ 1,255,700 $ 232,525 $ 1,698,598
================== =================== ===================

BASIC NET INCOME PER SHARE $ 0.24 $ 0.04 $ 0.32
================== =================== ===================

DILUTED NET INCOME PER SHARE $ 0.24 $ 0.04 $ 0.32
================== =================== ===================

WEIGHTED AVERAGE COMMON SHARES
OUTSTANDING, BASIC 5,258,629 5,285,207 5,306,069
================== =================== ===================

WEIGHTED AVERAGE COMMON SHARES
OUTSTANDING, DILUTED 5,282,165 5,336,572 5,374,218
================== =================== ===================




The accompanying notes are an integral part of these financial statements.




F-4






PSYCHEMEDICS CORPORATION
STATEMENTS OF SHAREHOLDERS' EQUITY


COMMON STOCK TREASURY STOCK
---------------------- -----------------------
$0.005 PAID-IN ACCUMULATED RECEIVABLE
SHARES PAR VALUE CAPITAL DEFICIT SHARES COST FROM OFFICER TOTAL
--------------------------------------------------------------------------------------------------


BALANCE, December 31, 1999 5,653,110 $ 28,265 $ 24,499,782 $ (6,746,157) 293,116 $(5,580,293) $ (395,670) $11,805,927

Compensation expense from
issuance of options - - 30,401 - - - - 30,401
Payments on receivable from
officer - - - - - - 4,051 4,051
Cash dividends declared
($0.64
per share) - - - (3,394,333) - - - (3,394,333)
Acquisition of treasury stock - - - - 71,650 (1,418,474) - (1,418,474)
Net income - - - 1,698,598 - - - 1,698,598
---------------------------------------------------------------------------------------------------
BALANCE, December 31, 2000 5,653,110 28,265 364,766 (6,998,767) 8,726,170
24,530,183 (8,441,892) (391,619)

Exercise of stock options,
including tax benefits
of
non-qualified stock
options 3,219 16 38,900 - - - - 38,916
Compensation expense from
issuance of options - - 2,510 - - - - 2,510
Reduction of receivable from
officer - - - - - - 391,619 391,619
Cash dividends declared
($0.40
per share) - - - (2,115,254) - - - (2,115,254)
Acquisition of treasury stock - - - - 32,339 (504,507) - (504,507)
Net income - - - 232,525 - - - 232,525
---------------------------------------------------------------------------------------------------
BALANCE, December 31, 2001 5,656,329 28,281 (10,324,621) 397,105 (7,503,274) 6,771,979
24,571,593 -

Exercise of stock options 2,261 11 21,712 - - - - 21,723
Repurchase and retirement of
Fractional shares (160) - (1,828) - - - - (1,828)
Cash dividends declared
($0.24
per share) - - - (1,262,273) - - - (1,262,273)
Acquisition of treasury stock - - - - 45,000 (441,568) - (441,568)
Net income - - - 1,255,700 - - - 1,255,700
--------------------------------------------------------------------------------------------------
BALANCE, December 31, 2002 5,658,430 $ 28,292 24,591,477 $(10,331,194) $ 442,105 $(7,944,842 $ - $ 6,343,733
=====================================================================================-=============




The accompanying notes are an integral part of these financial statements.



F-5







PSYCHEMEDICS CORPORATION
STATEMENTS OF CASH FLOWS

YEARS ENDED DECEMBER 31,
--------------------------------------------------------------
2002 2001 2000
------------------- -------------------- -------------------
CASH FLOWS FROM OPERATING ACTIVITIES:

Net income $ 1,255,700 $ 232,525 $ 1,698,598
Adjustments to reconcile net income to net
cash provided by operating activities:
Depreciation and amortization 1,142,089 1,267,507 1,276,631
Compensation expense from issuance of options - 2,510 30,401
Deferred income taxes 42,409 (170,241) (191,675)
Tax benefit associated with exercise of options - 10,101 -
Changes in current assets and liabilities:
Accounts receivable 301,734 962,762 231,325
Prepaid expenses and other current assets 291,598 46,944 155,250
Accounts payable (38,386) (55,757) (80,734)
Accrued expenses (191,523) 52,887 311,355
Deferred revenue (367,554) 116,979 (225,784)
------------------ ------------------- ------------------
Net cash provided by operating activities 2,436,067 2,466,217 3,205,367

CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment (205,794) (580,484) (776,345)
Increase in other assets (8,114) (10,299) (23,523)
Net sales of short-term investments - - 4,938,463
------------------ ------------------- ------------------
Net cash provided by (used in) investing activities (213,908) (590,783) 4,138,595


CASH FLOWS FROM FINANCING ACTIVITIES:
Acquisition of treasury stock (441,568) (112,888) (1,418,474)
Proceeds from the exercise of stock options 21,723 28,815 -
Repurchase of fractional shares (1,828)
Proceeds from the receivable from officer - - 4,051
Dividends paid (1,262,273) (2,115,254) (3,394,333)
------------------ ------------------- ------------------
Net cash used in financing activities (1,683,946) (2,199,327) (4,808,756)


NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 538,213 (323,893) 2,535,206
CASH AND CASH EQUIVALENTS, beginning of year 3,110,700 3,434,593 899,387
------------------ ------------------- ------------------

CASH AND CASH EQUIVALENTS, end of year $ 3,648,913 $ 3,110,700 $ 3,434,593
------------------ ------------------- ------------------

Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes $ 1,177,135 $ 371,332 $ 1,277,886
------------------ ------------------- ------------------
Supplemental Disclosure of Non-cash Transactions:
Treasury stock acquired as settlement of
receivable from officer $ - $ 391,619 $ -
------------------ ------------------- ------------------






The accompanying notes are an integral part of these financial statements.



F-6




PSYCHEMEDICS CORPORATION

NOTES TO FINANCIAL STATEMENTS

DECEMBER 31, 2002



1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The Company

Psychemedics Corporation (the Company) was incorporated in 1986. The Company
utilizes a patented hair analysis method involving radioimmunoassay technology
to analyze human hair to detect abused substances. The founder of the Company
has granted to the Company an exclusive license to all his rights in this hair
analysis technology, including his rights to the drug extraction method (see
Note 2).

Risks and Uncertainties

The Company is subject to a number of risks and uncertainties similar to those
of other companies, such as those associated with the continued expansion of the
Company's sales and marketing network, development of markets for new products
and services offered by the Company, the economic health of principal customers
of the Company, financial and operational risks associated with possible
expansion of testing facilities used by the Company, government regulation
(including, but not limited to, Food and Drug Administration regulations),
competition and general economic conditions.

Estimates

The preparation of financial statements in conformity with accounting principles
generally accepted in the United States requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.

Reverse Stock Split

In 2002, the Company's Board of Directors and shareholders approved a
one-for-four reverse stock split. All common shares and per share amounts in the
accompanying financial statements and notes thereto have been retroactively
adjusted to reflect the reverse stock split.

Cash Equivalents

The Company considers all highly liquid investments with original maturities of
90 days or less to be cash equivalents. Cash equivalents consist of money market
accounts at December 31, 2002 and 2001.




F-7




PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)

Property and Equipment

Property and equipment are stated at cost. Depreciation and amortization are
provided over the estimated useful lives of the assets, using the straight-line
method. The estimated useful lives of the assets are as follows:



Computer software 5 years
Office furniture and equipment 5 to 7 years
Laboratory equipment 5 to 7 years
Leasehold improvements Lesser of term of lease or estimated
useful life of leasehold improvements


The Company recorded depreciation and amortization of $1,074,869, $1,201,175 and
$1,211,694 in 2002, 2001 and 2000, respectively.

Other Assets

Other assets primarily consist of capitalized legal costs relating to patent
applications on the Company's drug extraction method. The Company is amortizing
the cost of these patents over 10 years from the date of grant. The Company
recorded amortization of $67,220, $66,332 and $64,937 in 2002, 2001 and 2000,
respectively. The Company evaluates the realizability of its patents based on
estimated cash flows to be generated from such assets as compared to the
original estimates. To the extent an impairment is identified, the Company will
recognize a write-down of the related assets. To date, no impairment has been
identified. Accumulated amortization amounted to $347,474 and $280,254 at
December 31, 2002 and 2001, respectively.

Revenue Recognition

Revenues from the Company's services are generally recognized upon reporting of
drug test results to the customer. At December 31, 2002 and 2001, the Company
had deferred revenue of approximately $386,000 and $753,000, respectively,
reflecting sales of its personal drug testing service for which the performance
of the related test had not yet occurred.

During 2002, the Company recorded a settlement with a retailer of its personal
drug testing kits for the payment to the Company for kits that will not be
re-sold by the retailer. The Company recognized a gain of $136,489 relating to
this settlement, which is included in other income.

Income Taxes

The Company accounts for income taxes using the liability method, which requires
the Company to recognize a current tax liability or asset for current taxes
payable or refundable and a deferred tax liability or asset for the estimated
future tax effects of temporary differences between the financial statement and
tax reporting bases of assets and liabilities to the extent that they are
realizable. Deferred tax expense (benefit) results from the net change in
deferred tax assets and liabilities during the


F-8





PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)


year. A deferred tax valuation allowance is required if it is more likely than
not that all or a portion of the recorded deferred tax assets will not be
realized.

Research and Development Expenses

The Company charges all research and development expenses to operations as
incurred.

Concentration of Credit Risk and Off-Balance Sheet Risk

The Company has no significant off-balance-sheet or risk such as foreign
exchange contracts, option contracts, or other foreign hedging arrangements.
Financial instruments that potentially subject the Company to concentrations of
credit risk are principally cash and cash equivalents and accounts receivable.
The Company places its cash and cash equivalents in highly rated institutions.
Concentration of credit risk with respect to accounts receivable is limited to
certain customers to whom the Company makes substantial sales. To reduce risk,
the Company routinely assesses the financial strength of its customers and, as a
consequence, believes that its accounts receivable credit risk exposure is
limited. The Company maintains an allowance for potential credit losses but
historically has not experienced any significant losses related to individual
customers or groups of customers in any particular industry or geographic area.

Stock-Based Compensation

The Company accounts for its stock compensation arrangements with employees
under the provisions of Accounting Principles Board (APB) Opinion No. 25,
Accounting for Stock Issued to Employees. The Company has adopted the
disclosure-only provisions of SFAS No. 123, Accounting for Stock-Based
Compensation.

Statement of Financial Accounting Standards, (SFAS) No. 123, Accounting for
Stock-Based Compensation, requires the measurement of the fair value of stock
options or warrants to be included in the statement of income or disclosed in
the notes to financial statements. The Company has computed the value of options
using the Black-Scholes option pricing model prescribed by SFAS No. 123.

The assumptions used and the weighted average information are as follows:



2002 2001 2000
-------- --------- ---------

Risk-free interest rates 3.82% 4.56% 6.15%
Expected dividend yield 1.9% 2.3% 3.3%
Expected lives 5 years 5 years 5 years
Expected volatility 29.40% 42.22% 44.40%
Weighted average grant-date fair value of
options granted during the period $3.52 $6.96 $7.52




F-9






PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)


Consistent with SFAS No. 123, net (loss) income and basic and diluted net (loss)
income per share would have been as follows:



2002 2001 2000
--------------- ------------- ------------
As reported -

Net income $ 1,255,700 $ 232,525 $ 1,698,598
Basic net income per share $ 0.24 $ 0.04 $ 0.32
Diluted net income per share $ 0.24 $ 0.04 $ 0.32
Pro forma -
Net (loss) income $ 947,804 $(175,116) $ 958,048
Basic net income (loss) per share $ 0.18 $ (0.03) $ 0.18
Diluted net income (loss) per share $ 0.18 $ (0.03) $ 0.18




Stock based compensation, net of tax, used to arrive at pro forma net income
(loss) amounted to $307,896 in 2002, $407,641 in 2001 and 788,450 in 2000. The
fair value of options granted in 2002, 2001 and 2000 was $3.52 per share, $6.98
per share and $7.54 per share, respectively.

Basic and Diluted Net Income per Share

Basic net income per share is computed by dividing net income available to
common shareholders by the weighted average number of common shares outstanding
during the period. Diluted net income per share is computed by dividing net
income by the weighted average number of common shares and dilutive common stock
equivalents outstanding during the period. The number of dilutive common stock
equivalents outstanding during the period has been determined in accordance with
the treasury-stock method. Common equivalent shares consist of common stock
issuable upon the exercise of outstanding options.

Basic and diluted weighted average common shares outstanding are as follows:




2002 2001 2000
-------------- ---------------- ---------------

Weighted average common shares
outstanding 5,258,629 5,285,207 5,306,069
Dilutive common equivalent shares 23,536 51,365 68,149
-------------- ---------------- ---------------
Weighted average common shares
outstanding, assuming dilution 5,282,165 5,336,572 5,374,218
============== =============== ===============



For the years ending December 31, 2002, 2001, and 2000, options to purchase
411,211, 353,593 and 271,518 common shares, respectively, were outstanding but
not included in the dilutive common equivalent share calculation as their effect
would have been antidilutive.




F-10




PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)



Financial Instruments

Financial instruments principally consist of cash equivalents, accounts
receivable and accounts payable. The estimated fair values of these financial
instruments approximates their carrying values.

Segment Reporting

The Company manages its operations as one segment, drug testing services. As a
result, the financial information disclosed herein materially represents all of
the financial information related to the Company's principal operating segment.
Substantially all of the Company's revenues are generated in the United States.
All of the Company's assets are located in the United States.

Reclassifications

Certain amounts in the financial statements of the prior years have been
reclassified to conform to the current year presentation.

Recent Accounting Pronouncements

The Company has adopted Statement of Financial Accounting Standards (SFAS) No.
144, Accounting for the Impairment or Disposal of Long-Lived Assets in fiscal
2002, which requires that long-lived assets be measured at the lower of carrying
amount or fair value less cost to sell. The adoption of SFAS No. 144 did not
have any impact on the Company's results of operations in 2002.


In July 2002, the Financial Accounting Standards Board (FASB) issued SFAS
No.146, Accounting for Costs Associated with Exit or Disposal Activities. SFAS
No. 146 addresses financial accounting and reporting for costs associated with
exit or disposal activities and rescinds Emerging Issues Task Force ("EITF")
Issue No. 94-3, Liability Recognition for Certain Employee Termination Benefits
and Other Costs to Exit an Activity (including Certain Costs Incurred in a
Restructuring). This Statement requires that a liability for a cost associated
with an exit or disposal activity be recognized when the liability is incurred.
The provisions of SFAS No. 146 are effective for exit and disposal activities
that are initiated after December 31, 2002. The Company does not expect the
adoption of SFAS No. 146 to have a material impact on its financial position or
results of operations.

In December 2002, the FASB issued Statement of Accounting Standards No. 148
("SFAS 148"), Accounting for Stock-Based Compensation - Transition and
Disclosure, an amendment of FASB Statement No. 123. SFAS 148 amends FASB
Statement No. 123, Accounting for Stock-Based Compensation, to provide
alternative methods of transition for an entity that voluntarily changes to the
fair value based method of accounting for stock-based employee compensation.
SFAS 148 also amends the disclosure provisions of FASB Statement No. 123 to
require prominent disclosure about the effects on reported net income of an
entity's accounting policy decisions with respect to stock-based employee
compensation, which the Company has included in Note 1 to the financial
statements.



F-11






PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)


SFAS 148 also amends APB Opinion No. 28, "Interim Financial Reporting", to
require disclosure about those effects in interim financial statements. The
Company currently does not intend to voluntarily change from the intrinsic value
method to the fair value method of accounting for stock-based employee
compensation. The Company will provide the required disclosure about the effects
on reported net income of the Company's accounting policy decisions with respect
to stock-based employee compensation commencing with its interim financial
statements for the three-month period ending March 31, 2003.

In January 2003, the FASB issued Interpretation No. 46, Consolidation of
Variable Interest Entities, (Interpretation No. 46) to clarify the conditions in
which assets, liabilities and activities of another entity should be
consolidated into a variable interest entity (including a special purpose entity
such as that utilized in an accounts receivable securitization transaction) by a
company that bears the majority of the risk of loss from the variable interest
entity's activities, or is entitled to receive a majority of the variable
interest entity's residual returns, or both. The provisions of Interpretation
No. 46 are required to be adopted by the Company in fiscal year 2003. The
Company does not believe the adoption of Interpretation No. 46 will have any
impact on its overall financial position or results of operations.

In April 2002, the FASB issued Statement No. 145, Recission of FASB Statements
No. 4, 44, and 64, Amendment of FASB Statement No. 13 and Technical Corrections.
This statement eliminates extraordinary accounting for a gain or loss reported
on the extinguishment of debt and amends other existing authoritative
pronouncements to make technical corrections, clarify meanings or describe their
applicability under changed conditions. The provisions of this standard are
effective for the Company with the beginning of fiscal 2003, however, the
Company does not believe the adoption of this standard will have a material
impact on its overall financial position or results of operations.

2. Royalty Agreements

The Company has a royalty-free license from the founder for the proprietary
rights to certain patented hair analysis technology used by the Company in its
drug testing services. The Company has two agreements to sublicense its
technology, which have not generated significant royalties to date.



F-12




PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)



3. Income Taxes

The income tax provision consists of the following:




2002 2001 2000
------------------ --------------- --------------

Current -
Federal $ 766,198 $ 300,000 $1,071,000
State 135,211 86,000 314,000
------------------ --------------- --------------
901,409 386,000 1,385,000
------------------ --------------- --------------
Deferred -
Federal (36,048) (132,000) (149,000)
State (6,361) (38,000) (43,000)
------------------ --------------- --------------
(42,409) (170,000) (192,000)
------------------ --------------- --------------

$ 859,000 $ 216,000 $1,193,000
================== =============== ==============



A reconciliation of the effective rate with the federal statutory rate is as
follows:



2002 2001 2000
--------- ---------- ----------

Federal statutory rate 34.0% 34.0% 34.0%
State income taxes, net of federal benefit 6.0 6.0 6.0
Utilization of tax credits (1.2) - (1.5)
Permanent differences 1.8 8.2 2.8
--------- ---------- ----------
Effective tax rate 40.6% 48.2% 41.3%
========= ========== ==========


The components of the net deferred tax assets included in the accompanying
balance sheets are as follows at December 31,:



2002 2001
-------------- -------------

Deferred tax assets:
Deferred revenue $ 154,292 $ 301,314
Allowance for doubtful accounts 205,436 217,697
Excess of book over tax depreciation and
amortization 95,819 61,120
Accrued expenses 57,083 51,152
Other 21,433 10,464
-------------- -------------
534,063 641,747
Deferred tax liabilities:
Prepaid expenses 44,324 109,599
-------------- -------------
$ 489,739 $ 532,148
============== =============


4. Preferred Stock

The Company's bylaws provide for, and the Board of Directors and stockholders
authorized, 872,521 shares of $0.005 par value preferred stock. The Board of
Directors has the authority to issue such shares in one or more series and to
fix the relative rights and preferences without vote or action by the
stockholders. The Board of Directors has no present plans to issue any shares of
preferred stock.



F-13



PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)


5. Stock Options

The Company has various stock option plans under which options to acquire shares
of the Company's common stock may be granted to directors, officers and certain
employees of the Company. Options granted under the plans may be either
non-qualified or incentive stock options and are granted at a price that is not
less than the fair market value of the common stock at the date of grant. These
options have lives of five or ten years and vest over periods up to four years.

A summary of stock option activity is as follows (in thousands, except per share
amounts):



Weighted Average
Number of Exercise Price Per
Shares Share
----------- --------------------

Outstanding, December 31, 1999 435 $17.48
Granted 86 19.92
Terminated (5) 18.88
-----------
Outstanding, December 31, 2000 516 17.84
-----------
Granted 19 19.24
Exercised (3) 8.96
Terminated (21) 26.40
-----------
Outstanding, December 31, 2001 511 17.60
-----------
Granted 51 13.66
Exercised (2) 9.61
Terminated (12) 18.36
-----------
Outstanding, December 31, 2002 548 $17.25
=========== ====================
Exercisable, December 31, 2002 448 $17.46
=========== ====================
Exercisable, December 31, 2001 398 $17.16
=========== ====================
Exercisable, December 31, 2000 346 $17.04
=========== ====================


The following table summarizes information about stock options outstanding at
December 31, 2002 (in thousands, except per share amounts):





Options Outstanding Options Exercisable
------------------------------------------------------- ----------------------------------
Weighted Average Weighted Weighted
Number Remaining Average Number Average
of Contractual Life Exercise Price of Exercise Price
Exercise Price Range Shares (in years) Per Share Shares Per Share
- --------------------- --------------- ------------------- ---------------- ---------------- ----------------

$7.40 52 0.93 $7.40 52 $7.40
11.28 - 14.32 146 4.62 12.52 95 11.91
17.12 - 24.88 340 5.67 20.47 291 20.70
28.24 10 4.20 28.24 10 28.24
--------------- ---------------- ---------------- ---------------
548 $17.25 448 $17.46





F-14




PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)



In 2000, the Company granted options to purchase 5,000 common shares to a
non-employee that vested ratably over a year. The Company accounts for
stock-based awards granted to non-employees under Emerging Issues Task Force
(EITF) 96-18, Accounting for Equity Instruments that are Issued to Other than
Employees for Acquiring, or in Connection with Selling, Goods, or Services.
Under EITF 96-18, the fair value of the stock options is charged to operations
over the performance period (vesting period). The Company recognized $2,510 and
$30,401 of stock-based compensation expense during the years ended December 31,
2001 and 2000, respectively, which was included in general and administrative
expenses in the respective statements of income. The Company did not grant any
stock options to non-employees (other than non-employee directors) during 2002
or 2001.

6. Prepaid Expenses and other Assets

Prepaid expenses and other assets consist of the following:



December 31,
-----------------------------------------
2002 2001
------------------- ------------------

Laboratory supplies $ 228,893 $ 364,985
Prepaid commissions 97,385 251,816
Prepaid rent 40,091 37,832
Prepaid insurance 13,427 44,739
Other prepaid expenses 132,791 104,813
------------------- --------------------
$ 512,587 $ 804,185
=================== ====================


7. Commitments and Contingencies

Commitments

The Company leases certain of its facilities and equipment under operating lease
agreements expiring on various dates through December 2006. Total minimum lease
payments, including scheduled increases, are charged to operations on the
straight-line basis over the life of the respective lease. Rent expense was
approximately $568,000 in 2002, $533,000 in 2001 and $529,000 in 2000,
respectively.

At December 31, 2002, minimum commitments remaining under lease agreements were
approximately as follows:


Amount
-------------
Years Ending December 31:

2003 $ 524,000
2004 377,000
2005 378,000
------------
$1,279,000




F-15



PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)



Purchase Commitment

The Company has a supply agreement with a vendor which requires the Company to
purchase isotopes used in its drug testing procedures from this sole supplier in
exchange for variable annual payments based upon prior year purchases. Purchases
amounted to $436,226 in 2002 and $494,672 in 2001. The Company expects to
purchase approximately $438,000 in 2003. In exchange for exclusivity, the
supplier has provided the Company with the right to purchase the isotope
technology at fair market value under certain conditions, including the failure
to meet the Company's purchase commitments. This agreement does not include a
fixed termination date, however, it is cancelable upon mutual agreement by both
parties or six months after termination notice by the Company of its intent to
use a different technology in connection with its drug testing procedures.

Contingencies

The Company is subject to legal proceedings and claims, which arise in the
ordinary course of its business. The Company believes that although there can be
no assurance as to the disposition of these proceedings, based upon information
available to the Company at this time, the expected outcome of these matters
would not have a material impact on the Company's results of operations or
financial condition.

8. Employee Benefit Plan

The Psychemedics Corporation 401(k) Savings and Retirement Plan (the 401(k)
Plan) is a qualified defined contribution plan in accordance with Section 401(k)
of the Internal Revenue Code. All employees over the age of 21 who have
completed one year of service are eligible to make pre-tax contributions up to a
specified percentage of their compensation. Under the 401(k) Plan, the Company
may, but is not obligated to, match a portion of the employees' contributions up
to a defined maximum. A matching contribution of $112,008, $115,355 and $112,339
was made in the years ended December 31, 2002, 2001 and 2000, respectively.

9. Accrued Expenses

Accrued expenses consist of the following:



December 31,
---------------------------------
2002 2001
------------ -----------

Accrued payroll and employee benefits $ 466,336 $ 397,662
Accrued taxes 179,734 498,308
Other accrued expenses 369,439 311,062
------------ ------------
$ 1,015,509 $ 1,207,032
=========== ===========





F-16




PSYCHEMEDICS CORPORATION
NOTES TO FINANCIAL STATEMENTS - (CONTINUED)



10. Valuation and Qualifying Accounts

A summary of the allowance for doubtful accounts is as follows:



2002 2001 2000
---------- ---------- -----------

Balance, beginning of period $ 544,244 $ 486,066 $ 312,169
Provision for doubtful accounts 107,525 113,500 176,500
Write-offs (138,180) (55,322) (2,603)
----------- ------------ -----------
Balance, end of period $ 513,589 $ 544,244 $ 486,066
----------- ------------ -----------


11. Selected Quarterly Financial Data (Unaudited)

The following are selected quarterly financial data for the years ended December
31, 2002 and 2001:



Quarter Ended
-----------------------------------------------------------------------------------
March 31, June 30, September 30, 2002 December 31, 2002
2002 2002
------------------- ------------------- ------------------- --------------------

Revenues $ 3,568,461 $ 4,792,903 $ 4,344,685 $ 3,362,081
Gross profit 1,815,240 2,922,159 2,562,833 1,749,078
Income from operations 88,837 1,071,436 730,842 44,883
Net income 52,434 638,294 434,511 130,461
Basic net income
per share 0.01 0.12 0.08 0.02
Diluted net income
per share 0.01 0.12 0.08 0.02





Quarter Ended
------------------------------------------------------------------------------------
March 31, June 30, September 30, 2001 December 31, 2001
2001 2001
------------------- -------------------- ------------------- --------------------

Revenues $ 4,064,323 $ 4,518,430 $ 3,955,117 $ 3,192,236
Gross profit 2,011,260 2,514,349 1,981,025 1,408,453
Income (loss) from operations (17,802) 532,195 184,411 (375,612)
Net income (loss) 9,241 328,235 116,271 (221,222)
Basic net income (loss)
per share - 0.06 0.02 (0.04)
Diluted net income (loss)
per share - 0.06 0.02 (0.04)






F-17





PSYCHEMEDICS CORPORATION

10-K

Index to Exhibits


Exhibit
Number Description



3 Articles of Incorporation and By-Laws


3.1 Amended and Restated Certificate of Incorporation filed on August 1, 2002
- (Incorporated by reference from the Registrant's Quarterly Report on
Form 10-Q for the Quarter ended September 30, 2002).

3.2 By-Laws of the Company - (Incorporated by reference from the Registrant's
Annual Report on Form 10-K for the fiscal year ended December 31, 2001).

4 Instruments Defining the Rights of Security Holders

4.1 Specimen Stock Certificate - (Incorporated by reference from the
Registrant's Registration Statement on Form 8-A filed on July 31, 2002).

10 Material Contracts

10.1 License Agreement with Werner Baumgartner, Ph.D. and Annette Baumgartner
dated January 17, 1987 - (Incorporated by reference from the Registrant's
Registration Statement on Form S-18, File No. 33-10186 LA).

10.2* 1989 Employee Stock Option Plan, as amended - (Incorporated by reference
from the Registrant's 1997 Annual Proxy Statement.)

10.3* 1989 Non-Qualified Stock Option Plan, as amended (Incorporated by
reference from the Registrant's Annual Report on Form 10-K for the fiscal
year ended December 31, 1996. 10.4* 1991 Non-Qualified Stock Option Plan -
(Incorporated by reference from the Registrant's Annual Report on Form
10-K for the fiscal year ended December 31, 1991.)

10.5 Lease dated October 6, 1992 with Mitchell H. Hersch, et. al with respect
to premises in Culver City, California - (Incorporated by reference from
the Registrant's Annual Report on Form 10-KSB for for the fiscal year
ended December 31, 1992.)







PSYCHEMEDICS CORPORATION

10-K

Index to Exhibits


Exhibit
Number Description


10.5.1 Security Agreement dated October 6, 1992 with Mitchell H. Hersch et. al -
(Incorporated by reference from the Registrant's Annual Report on Form
10-KSB for the fiscal year ended December 31, 1992.)

10.5.2 First Amendment to Lease dated with Mitchell H. Hersch, et.al California
- (Incorporated by reference from the Registrant's Annual Report on Form
10-K for for the fiscal year ended December 31, 1997.)

10.5.3 Second Amendment to Lease dated with Mitchell H. Hersch, et.al.
California - (Incorporated by reference from the Registrant's Annual
Report on Form 10-K for for the fiscal year ended December 31, 1997.)

10.5.4 Third Amendment to Lease dated December 31, 1997 with Mitchell H. Hersch,
et.al. California - (Incorporated by reference from the Registrant's
Annual Report on Form 10-K for for the fiscal year ended December 31,
1997.)

10.6* 2000 Stock Option Plan, - (Incorporated by reference from the Registrant's
Quarterly Report on Form 10-Q for the Quarter ended September 30, 2002.)

23 Consents of Experts and Counsel

23.1 Consent of Ernst & Young LLP, Independent Auditors

23.2 Notice Regarding Consent of Arthur Andersen LLP

99 Additional Exhibits


99.1 Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section
1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

99.2 Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section
1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002