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EX-23.1 - EXHIBIT 23.1 - QUEST DIAGNOSTICS INCdgx12312015ex231.htm
EX-10.13 - EXHIBIT 10.13 - QUEST DIAGNOSTICS INCdgx12312015ex1013.htm
EX-10.11 - EXHIBIT 10.11 - QUEST DIAGNOSTICS INCdgx12312015ex1011.htm
10-K - 10-K - QUEST DIAGNOSTICS INCdgx1231201510-k.htm
EX-10.3 - EXHIBIT 10.3 - QUEST DIAGNOSTICS INCdgx12312015ex103.htm
EX-31.2 - EXHIBIT 31.2 - QUEST DIAGNOSTICS INCdgx12312015ex312.htm
EX-32.1 - EXHIBIT 32.1 - QUEST DIAGNOSTICS INCdgx12312015ex321.htm
EX-32.2 - EXHIBIT 32.2 - QUEST DIAGNOSTICS INCdgx12312015ex322.htm
EX-31.1 - EXHIBIT 31.1 - QUEST DIAGNOSTICS INCdgx12312015ex311.htm
EX-10.15 - EXHIBIT 10.15 - QUEST DIAGNOSTICS INCdgx12312015ex1015.htm
EX-10.12 - EXHIBIT 10.12 - QUEST DIAGNOSTICS INCdgx12312015ex1012.htm
Exhibit 21.1


Quest Diagnostics Incorporated (DE)
(Incorporated on December 12, 1990 in Delaware; FEIN No. 16-1387862)
Subsidiaries, Joint Ventures and Affiliates
Company
Registered Alternate Name
100% Quest Diagnostics Holdings Incorporated (DE)
 
 
100% Quest Diagnostics Holdings Sarl (Luxembourg)
 
 
100% Quest Diagnostics Intermediate Holdings Sarl (Luxembourg)
 
 
 
100% Quest Diagnostics Subsidiary Holdings Sarl (Luxembourg)
 
 
 
100% Quest Diagnostics Holdings Ltd. (UK)
 
 
100% ExamOne Canada, Inc. (New Brunswick)
 
 
 
100% Quest Diagnostics of Puerto Rico, Inc. (PR)
 
 
 
100% Quest Diagnostics do Brasil Ltda. (Brazil)
 
 
 
100% Quest Diagnostics Ireland Limited (Ireland)
 
 
 
100% Quest Diagnostics Subsidiary Holdings Ltd. (UK)

 
 
              40% Q Squared Solutions Holdings Limited
         (UK)

 
 
 
100% Quest Medical Diagnostics Technology Consulting (Shanghai) Co., Ltd. (China)

 
 
 
100% Quest Diagnostics Clinical Laboratories, Inc. (DE)
Advanced Toxicology
   Network
Smithkline Beecham
   Clinical Laboratories
 
100% LabOne, LLC (MO)
LabOne, Inc. Of Kansas
Quest Diagnostics
Northwest Toxicology
 
 
100% ExamOne World Wide, Inc. (PA)
 
 
100% ExamOne LLC (DE)
 
 
100% ExamOne World Wide of NJ, Inc. (NJ)
 
 
100% LabOne of Ohio, Inc. (DE)
Quest Diagnostics
LabOne
 
(33-l/3%) CompuNet Clinical Laboratories (OH)
 
 
(44%) Mid America Clinical Laboratories (IN)
 
 
(51%) Diagnostic Laboratory of Oklahoma LLC (OK)
 
 
(70%) Quest Diagnostics Domestic Holder LLC (DE) (30% Focus Diagnostics, Inc. (DE))

 
 
 
40% Q Squared Solutions Holdings, LLC (DE)

 
 
100% Quest Diagnostics International LLC (DE)

 
 
100% Quest Diagnostics Incorporated (MD)
 
 
100% Diagnostic Reference Services Inc. (MD)
 
 
100% Pathology Building Partnership (MD) (gen. ptnrshp.)
 
 
100% Quest Diagnostics Incorporated (MI)
Quest Diagnostics
   Incorporated
 
 
100% Quest Diagnostics Investments LLC (DE)
 
 
 
 
 
 
 
 
 
 
 
 
 
100% Quest Diagnostics LLC (IL)
Quest Diagnostics LLC
 
 

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Exhibit 21.1


100% Quest Diagnostics LLC (MA)
Quest Diagnostics LLC
 
81.1% Quest Diagnostics Massachusetts LLC (MA)
 
 
 
 
 
 
 
 
 
 
 
 
 
100% Quest Diagnostics LLC (CT)
 
 
 
100% Quest Diagnostics Nichols Institute (CA)
Nichols Institute
 
 
100% Quest Diagnostics of Pennsylvania Inc. (DE)
 
 
51% Quest Diagnostics Venture LLC (PA)
 
 
53.5% Associated Clinical Laboratories of Pennsylvania, L.L.C. (PA)
 
 
1% Associated Clinical Laboratories, L.P. (PA)
 
 
52.97% Associated Clinical Laboratories, L.P. (PA)
 
 
 
 
 
 
 
 
 
 
 
 
 
100% Quest Diagnostics Receivables Inc. (DE)
 
 
 
100% Quest Diagnostics Terracotta LLC (DE)
 
 
 
100 % Quest Diagnostics Ventures LLC (DE)
 
 
100% Focus Diagnostics - Singapore PTE. LTD (Singapore)
 
 
 
100% ADI Holding Company, Inc. (DE)
 
 
100% Athena Diagnostics, Inc. (DE)
 
 
 
100% American Medical Laboratories, Incorporated (DE)
 
 
100% Quest Diagnostics Nichols Institute, Inc. (VA)
Nichols Institute
 
100% Quest Diagnostics Incorporated (NV)
Quest Diagnostics Incorporated of Nevada
 
 
100% Celera Corporation (DE)
 
 
100% Axys Pharmaceuticals, Inc. (DE)
 
 
100% Berkeley HeartLab, Inc. (CA)
 
 
 
100% Focus Diagnostics, Inc. (DE)
Focus/MRL, Inc.
Quest Diagnostics
 
(30%)  Quest Diagnostics Domestic Holder LLC (DE) (70% Quest Diagnostics Clinical Laboratories, Inc. (DE))

 
 
 
100% MedPlus, Inc. (OH)
MedPlus Health Care Information Technology
 
 
100% MetWest Inc. (DE)
Quest Diagnostics
   Incorporated
 
100% Diagnostic Path Lab, Inc. (TX)
 
 
49% Sonora Quest Laboratories LLC (AZ)
 
 
 
100% Spectrum Laboratories Holdings, Inc. (DE)
 
 
100% Spectrum Holding Company, Inc. (DE)
 

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Exhibit 21.1


 
 
100% Solstas Lab Partners Group, LLC (NC)
Solstas Lab - Birmingham
Solstas Lab - FD Molecular
Solstas Lab - Federal Drive
Solstas Lab - Mendenhall
   Oaks
Solstas Lab Partners
Solstas Lab - Trustee’s Tower
   Professional Building
Southern Diagnostic
   Laboratories
 
 
 
100% Solstas Lab Partners, LLC (VA)
 
100% Summit Health, Inc. (MI)
Quest Diagnostics Incorporated
Retail Health Network
Summit Health
   Independent Clinical
   Laboratories

 
 
100% Unilab Corporation (DE)
Quest Diagnostics
 
100% Nichols Institute Diagnostics (CA)
 
 
 
100% Nomad Massachusetts, Inc. (MA)
 
 
100% Laboratorio de Analisis Biomedicos, S.A. (Mexico)
 
 
100% Quest Diagnostics Mexico, S de RL de CV (Mexico)
 
 
100% Quest Diagnostics India Private Limited (India)
 
 
19.9% Clinical Genomics Pty Ltd. (Australia)
 
 
 
100% AmeriPath Group Holdings, Inc. (DE)
 
 
100% AmeriPath, Inc. (DE)
 
 
 
100% AmeriPath Cincinnati, Inc. (OH)
Richfield Laboratory of Dermatopathology
 
 
100% AmeriPath Cleveland, Inc. (OH)
Dermpath Diagnostics
The Diagnostic and Cosmetic Dermatology Center
 
 
100% AmeriPath Consolidated Labs, Inc. (FL)
 
 
 
100% AmeriPath Florida, LLC (DE)
AmeriPath Central Florida
AmeriPath Northeast
   Florida
AmeriPath Southwest
   Florida
Bay Area Dermatopathology
Dermpath Diagnostics
Dermpath Diagnostics
   Bay Area
Institute for
   Immunofluorescence
Institute for Podiatric
   Pathology
Specialty Laboratories
   Florida
 
 
100% AmeriPath Hospital Services Florida, LLC (DE)
 
 
 
100% AmeriPath Kentucky, Inc. (KY)
 

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Exhibit 21.1


 
 
100% AmeriPath Lubbock 5.01(a) Corporation (TX)
AmeriPath Southwest
   Texas
 
 
100% AmeriPath Lubbock Outpatient 5.01(a) Corporation (TX)
 
 
 
100% AmeriPath Marketing USA, Inc. (FL)
AmeriPath Marketing USA,
   Inc.
 
 
100% AmeriPath New York, LLC (DE)
AmeriPath Gastrointestinal Diagnostics
AmeriPath Northeast
Dermpath Diagnostics
Dermpath Diagnostics
   NE-Braintree
Ackerman Academy of Dermatopathology
Dermpath Diagnostics
   New York
Dermpath Diagnostics
   New England
 
 
100% AmeriPath PAT 5.01(a) Corporation (TX)
 
 
 
100% AmeriPath Pittsburgh, Inc. (PA)
Dermpath Diagnostics
The Dermatopathology
   Laboratory
 
 
100% AmeriPath SC, Inc. (SC)
 
 
 
100% AmeriPath Texarkana 5.01(a) Corporation (TX)
AmeriPath Chappell Joyce
   Pathology
Chappell Joyce Pathology
 
 
100% AmeriPath Texas Inc. (DE)
 
 
 
100% AmeriPath Tucson, Inc. (AZ)
 
 
 
100% Arlington Pathology Association 5.01(a) Corporation (TX)
 
 
 
100% Consolidated DermPath, Inc. (DE)
 
 
 
100% DFW 5.01(a) Corporation (TX)
AmeriPath North Texas
AmeriPath Dallas
AmeriPath DFW 5.01(a)
   Corporation
 
 
100% Diagnostic Pathology Services, Inc. (OK)
Dermpath Diagnostics
 
 
100% Kailash B. Sharma, M.D., Inc. (GA)
 
 
 
100% Institute for Dermatopathology, Inc. (PA)
Dermpath Diagnostics
 
 
100% NAPA 5.01(a) Corporation (TX)
 
 
 
100% Nuclear Medicine and Pathology Associates (GA)
 
 
 
100% Ocmulgee Medical Pathology Association, Inc. (GA)
AmeriPath Georgia
   Gastrointestinal
   Diagnostics
Dermpath Diagnostics
 
 
100% O’Quinn Medical Pathology Association, LLC (GA)
 
 
 
100% PCA of Denver, Inc. (TN)
 
 
 
100% Specialty Laboratories, Inc. (CA)
Quest Diagnostics Nichols
   Institute of Valencia, Inc.
 
 
100% Arizona Pathology Group, Inc. (AZ)
AmeriPath Arizona
 
 
100% TXAR 5.01(a) Corporation (TX)
 
Additional Entities Consolidated for Accounting Purposes
Registered Alternate Name
A. Bernard Ackerman, M.D. Dermatopathology, PC (NY)
 
AmeriPath Indianapolis, P.C. (IN)
AmeriPath Indianapolis,
   PSC
Dermpath Diagnostics
AmeriPath Institute of Pathology, PC (MI)
Dermpath Diagnostics
AmeriPath Milwaukee, S.C. (WI)
 
Colorado Diagnostic Laboratory, LLC (CO)
AmeriPath Colorado

4


Exhibit 21.1


Colorado Pathology Consultants, P.C. (CO)
AmeriPath Colorado
Dermpath Diagnostics
Dermatopathology of Wisconsin, S.C. (WI)
 
Kilpatrick Pathology, P.A. (NC)
 
Diamond Occupational Health Services, P.S.C. (PR)

 
Southwest Diagnostic Laboratories, P.C. (CO)
 
St. Luke’s Pathology Associates, P.A. (KS)
AmeriPath Kansas City
St. Luke’s Pathology
   Associates, P.C.



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