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EX-32.2 - EXHIBIT 32.2 - QUEST DIAGNOSTICS INCdgx12312019ex322.htm
EX-32.1 - EXHIBIT 32.1 - QUEST DIAGNOSTICS INCdgx12312019ex321.htm
EX-31.2 - EXHIBIT 31.2 - QUEST DIAGNOSTICS INCdgx12312019ex312.htm
EX-31.1 - EXHIBIT 31.1 - QUEST DIAGNOSTICS INCdgx12312019ex311.htm
EX-23.1 - EXHIBIT 23.1 - QUEST DIAGNOSTICS INCdgx12312019ex231.htm
EX-10.13 - EXHIBIT 10.13 - QUEST DIAGNOSTICS INCdgx12312019ex1013.htm
EX-10.12 - EXHIBIT 10.12 - QUEST DIAGNOSTICS INCdgx12312019ex1012.htm
EX-10.11 - EXHIBIT 10.11 - QUEST DIAGNOSTICS INCdgx12312019ex1011.htm
EX-10.5 - EXHIBIT 10.5 - QUEST DIAGNOSTICS INCdgx12312019ex105.htm
EX-10.4 - EXHIBIT 10.4 - QUEST DIAGNOSTICS INCdgx12312019ex104.htm
EX-4.31 - EXHIBIT 4.31 - QUEST DIAGNOSTICS INCdgx12312019ex431.htm
10-K - 10-K - QUEST DIAGNOSTICS INCdgx1231201910-k.htm
Exhibit 21.1


Quest Diagnostics Incorporated (DE)
(Registered Alternate Name: QDI Delaware Incorporated)
(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 International Holding Limited (UK)
 
 
 
100% Quest Diagnostics Holdings Ltd. (UK)
 
 
 
100% ExamOne Canada, Inc. (New Brunswick)
 
 
 
100% Quest Diagnostics Brasil Holdings Ltd. (UK)
 
 
 
65% Quest Diagnostics Testes Forenses do Brasil Ltda. (Brazil)
 
 
 
99.9% Quest Diagnostics HTAS India Private Limited (India) (0.1% Quest Diagnostics International Holdings Limited (UK)
 
 
 
100% Quest Diagnostics of Puerto Rico, Inc. (PR)
 
 
 
100% Quest Diagnostics Ireland Limited (Ireland)
 
 
 
100% Quest Diagnostics (Shanghai) Co., Ltd. (China)
 
 
 
100% Quest Diagnostics Subsidiary Holdings Ltd. (UK)
 
 
40% Q Squared Solutions Holdings Limited (UK)
 
 
100% Quest Diagnostics Clinical Laboratories, Inc. (DE)
Advanced Toxicology
   Network
Smithkline Beecham
   Clinical Laboratories Solstas Lab Partners Group Solstas Lab Partners
 
100% LabOne, LLC (MO)
LabOne, Inc. of Kansas
Quest Diagnostics
 
 
100% ExamOne World Wide, Inc. (PA)
 
 
100% ExamOne LLC (DE)
 
 
100% ExamOne World Wide of NJ, Inc. (NJ)
 
 
  51% DGXWMT JV, LLC (DE)
Health Check by Quest
   Diagnostics
 
100% Mobile Medical Examination Services, LLC (CA)
MedXM
 
100% Quest Diagnostics Health & Wellness LLC (DE)
 
 
100% LabOne of Ohio, Inc. (DE)
Quest Diagnostics
LabOne
 
44% Mid America Clinical Laboratories (IN)
 
 
51% Diagnostic Laboratory of Oklahoma LLC (OK)
 
 
49% Sonora Quest Laboratories LLC (AZ)
 
 
70% Quest Diagnostics Domestic Holder LLC (DE)
 
 
 
40% Q Squared Solutions Holdings, LLC (DE)
 
 
100% Quest Diagnostics do Brasil Ltda. (Brazil)
 
 
 
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 India Private Limited (India)
 

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Exhibit 21.1


100% Quest Diagnostics Infectious Disease, Inc. (DE)
 
 
(30%)  Quest Diagnostics Domestic Holder LLC (DE)
 
 
 
100% Quest Diagnostics International LLC (DE)
 
 
 
100% Quest Diagnostics Investments LLC (DE)
 
 
 
100% Quest Diagnostics LLC (IL)
Quest Diagnostics LLC
 
 
100% Quest Diagnostics LLC (MA)
Quest Diagnostics LLC
Quest Diagnostics of
   Connecticut LLC
 
81.1% Quest Diagnostics Massachusetts LLC (MA)
 
 
 
100% Quest Diagnostics LLC (CT)
 
 
 
100% Quest Diagnostics Mexico Holding Company Trust (Mexico)
 
 
100% Quest Diagnostics Mexico, S de RL de CV (Mexico)
 
 
100% Quest Diagnostics Terracotta LLC (DE)
 
 
 
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 TB LLC (DE)
 
 
 
100 % Quest Diagnostics Ventures LLC (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
Quest Diagnostics
 
 
100% BluePrint Genetics Oy (Finland)
 
 
100% Blueprint Genetics Canada Inc. (British Columbia)
 
 
100% Blueprint Genetics FZ-LLC (UAE)
 
 
100% Blueprint Genetics Inc. (DE)
 
 
 
100% Clearpoint Diagnostic Laboratories, LLC (TN)
Clearpoint Diagnostic
   Laboratories
 
 
100% Cleveland HeartLab, Inc. (DE)
Cleveland HeartLab
   Services, Inc.
 
   
100% Isabella Street Urban Renewal, LLC (NJ)
 
 
 

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Exhibit 21.1


100% Med Fusion, LLC (TN)
med fusion
med fusion clin-trials
med fusion clin-labs
 
 
100% Nomad Massachusetts, Inc. (MA)
 
 
100% Laboratorio de Analisis Biomedicos, S.A. (Mexico)
 
 
 
100% Reprosource Fertility Diagnostics, Inc. (MA)
 
 
 
100% Unilab Corporation (DE)
Quest Diagnostics
 
100% AmeriPath, Inc. (DE)
 
 
100% AmeriPath Cincinnati, Inc. (OH)
Richfield Laboratory of
   Dermatopathology
 
100% AmeriPath Cleveland, Inc. (OH)

AmeriPath GI Institute
Dermpath Diagnostics
 
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
 
100% AmeriPath Hospital Services Florida, LLC (DE)
 
 
100% AmeriPath Kentucky, Inc. (KY)
 
 
100% AmeriPath Lubbock 5.01(a) Corporation (TX)
Arlington Pathology
   Associates
Dermpath Diagnostics
   Texas
North Arlington Pathology
   Associates
Pathology Associates of
   Texas
 
100% AmeriPath New York, LLC (DE)

AmeriPath East
AmeriPath Gastrointestinal
   Diagnostics
AmeriPath Northeast
Dermpath Diagnostics
Dermpath Diagnostics
   NE-Braintree
Ackerman Academy of
   Dermatopathology
Dermpath Diagnostics
   New York
 
100% AmeriPath Texas Inc. (DE)
 
 
100% AmeriPath Tucson, Inc. (AZ)
AmeriPath Arizona
 
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)
AmeriPath Oklahoma
 
 
 

3


Exhibit 21.1


 
100% Kailash B. Sharma, M.D., Inc. (GA)
 
 
 
100% Nuclear Medicine and Pathology Associates (GA)
 
 
100% Institute for Dermatopathology, Inc. (PA)

AmeriPath Mid-Atlantic
Dermpath Diagnostics
The Dermatopathology
   Laboratory
 
100% Ocmulgee Medical Pathology Association, Inc. (GA)
AmeriPath Georgia
   Gastrointestinal
   Diagnostics
Dermpath Diagnostics
 
100% Specialty Laboratories, Inc. (CA)
Quest Diagnostics Nichols
   Institute of Valencia, Inc.
 
100% TXAR 5.01(a) Corporation (TX)
 
 
 
Additional Entities Consolidated for Accounting Purposes
 
A. Bernard Ackerman, M.D. Dermatopathology, PC (NY)
 
AmeriPath Indianapolis, P.C. (IN)
AmeriPath Indianapolis,
   PSC
Dermpath Diagnostics
AmeriPath Milwaukee, S.C. (WI)
AmeriPath Great Lakes
Colorado Pathology Consultants, P.C. (CO)
AmeriPath Colorado
Dermpath Diagnostics
Dermatopathology of Wisconsin, S.C. (WI)
 
Diamond Occupational Health Services, P.S.C. (PR)
 
Hoffman, M.D., Associated Pathologists Chartered (NV)
AmeriPath Nevada
Associated Pathologists,
   Chartered
Kilpatrick Pathology, P.A. (NC)
 
PhenoPath Laboratories, PLLC (WA)
 


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