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Quest Diagnostics

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Lab testing, laboratory and office locations around the world

Quest Diagnostics has headquarters in the U.S. and operations in India, Ireland, and Mexico. Our products and services are used by customers in over 130 countries. We also collaborate with many international diagnostic laboratories, hospitals and clinics to help improve human health around the world.

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Quest Diagnostics Headquarters

500 Plaza Drive,

Secaucus, New Jersey 07094

Get Directions
1 (800) 222-0446
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: Closed
Sunday: Closed
Lenexa Laboratory Facility

10101 Renner Boulevard,

Lenexa, KS 66219

Get Directions
1 (866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: 8:00 to 12:00
Sunday: CLOSED
Quest Diagnostics Clinical Trials: San Juan Capistrano

33608 Ortega Highway,

San Juan Capistrano, CA 92690

Get Directions
1 (800) 209-9816
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: 8:00 to 12:00
Sunday: CLOSED
Schaumburg Laboratory Facility

506 East State Parkway,

Schaumburg, IL 60173

Get Directions
1 (847) 885-2010
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Melville Laboratory Facility

50 Republic Road,

Melville, NY 11747

Get Directions
(866) 697-8378
Monday: 8:30 to 8:00
Tuesday: 8:30 to 8:00
Wednesday: 8:30 to 8:00
Thursday: 8:30 to 8:00
Friday: 8:30 to 8:00
Saturday: 8:00 to 2:30
Sunday: CLOSED
Seattle Laboratory Facility

1737 Airport Way S ,

Suite 200

Seattle, WA 98134

Get Directions
(206) 623-8100
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: CLOSED
Tampa Laboratory Facility

4225 E Fowler Ave,

Tampa, FL 33617

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Greensboro Laboratory Facility

4380 Federal Dr ,

Ste 100

Greensboro, NC 27410

Get Directions
(336) 664-6100
Monday: Hours vary
Tuesday: Hours vary
Wednesday: Hours vary
Thursday: Hours vary
Friday: Hours vary
Saturday: Hours vary
Sunday: Hours vary
Sacramento Laboratory Facility

3714 Northgate Blvd,

Sacramento, CA 95834

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Wallingford Laboratory Facility

3 Sterling Dr,

Wallingford, CT 06492

Get Directions
(203) 949-5500
Monday: 8:00 to 4:00
Tuesday: 8:00 to 4:00
Wednesday: 8:00 to 4:00
Thursday: 8:00 to 4:00
Friday: 8:00 to 4:00
Saturday: CLOSED
Sunday: CLOSED
Maryland Heights Laboratory Facility

11636 Administration Dr,

Maryland Heights, MO 63146

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Denver Laboratory Facility

695 S Broadway,

Denver, CO 80209

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Oklahoma City Laboratory Facility

225 NE 97th Street,

Oklahoma City, OK 73114

Get Directions
(405) 608-6290
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Las Vegas Laboratory Facility

4230 Burnham Ave,

Las Vegas, NV 89119

Get Directions
(866) 697-8378
Monday: 5:00 to 6:00
Tuesday: 5:00 to 6:00
Wednesday: 5:00 to 6:00
Thursday: 5:00 to 6:00
Friday: 5:00 to 6:00
Saturday: 6:00 to 2:30
Sunday: 6:00 to 2:30
Phoenix Laboratory Facility

424 S 56Th St,

Ste 100

Phoenix, AZ 85034

Get Directions
(800) 766-6721
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: Closed
Sunday: Closed
Erie Laboratory Facility

1526 Peach Street ,

Erie, PA 16501

Get Directions
(814) 461-2400
Monday: 6:30 to 5:30
Tuesday: 6:30 to 5:30
Wednesday: 6:30 to 5:30
Thursday: 6:30 to 5:30
Friday: 6:30 to 5:30
Saturday: 7:00 to 12:00
Sunday: 8:00 to 12:00
Tucker Laboratory Facility

1777 Montreal Circle,

Tucker, GA 30084

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Baltimore Laboratory Facility

1715 Twin Springs Road,

Baltimore, MD 21227

Get Directions
(866) 697-8378
Monday: 8:30 to 5:00
Tuesday: 8:30 to 5:00
Wednesday: 8:30 to 5:00
Thursday: 8:30 to 5:00
Friday: 8:30 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Palm Beach Gardens AmeriPath & DermPath

7111 Fairway Drive,

Suite 101

Palm Beach Gardens, FL 33418

Get Directions
(561) 712-6230
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Mason MedPlus

4690 Parkway Dr,

Mason, OH 45040

Get Directions
(513) 229-5500
Monday: 8:30 to 5:00
Tuesday: 8:30 to 5:00
Wednesday: 8:30 to 5:00
Thursday: 8:30 to 5:00
Friday: 8:30 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Pittsburgh AmeriPath

875 Greentree Road,

Four Parkway Center, Suite 325

Pittsburgh, PA 15220

Get Directions
(800) 845-3573
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Miramar Laboratory Facility

10200 Commerce Pkwy,

Miramar, FL 33025

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Cleveland HeartLab

6701 Carnegie Ave,

Suite 500

Cleveland, OH 44103

Get Directions
(866) 358-9828
Monday: 6:00 am to 12:00 am
Tuesday: 6:00 am to 12:00 am
Wednesday: 6:00 am to 12:00 am
Thursday: 6:00 am to 12:00 am
Friday: 6:00 am to 12:00 am
Saturday: 6:00 am to 12:00 am
Sunday: 6:00 am to 12:00 am
Texas AmeriPath

4770 Regent Blvd ,

2nd Floor

Irving, TX 75063

Get Directions
(972) 916-3200
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: CLOSED
Sunday: CLOSED
Cincinnati Laboratory Facility

6700 Steger Dr,

Cincinnati, OH 45237

Get Directions
(866) 697-8378
Monday: 8:00 to 3:30
Tuesday: 8:00 to 3:30
Wednesday: 8:00 to 3:30
Thursday: 8:00 to 3:30
Friday: 8:00 to 3:30
Saturday: CLOSED
Sunday: CLOSED
Houston Laboratory Facility

5850 Rogerdale Road ,

Houston, TX 77072

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Pittsburgh Laboratory Facility

875 Greentree Rd,

4 Parkway Center

Pittsburgh, PA 15220

Get Directions
(866) 697-8378
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: CLOSED
Sunday: CLOSED
Knoxville Laboratory Facility

501 19th St ,

Trustees Towers - Ste 300 &301

Knoxville, TN 37916

Get Directions
(865) 522-7591
Monday: 7:30 to 4:00
Tuesday: 7:30 to 4:00
Wednesday: 7:30 to 4:00
Thursday: 7:30 to 4:00
Friday: 7:30 to 4:00
Saturday: CLOSED
Sunday: CLOSED
Irving Laboratory Facility

4770 Regent Blvd,

Irving, TX 75063

Get Directions
(866) 697-8378
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Wood Dale Laboratory Facility

1355 Mittel Blvd,

Wood Dale, IL 60191

Get Directions
(866) 697-8378
Monday: 9:00 to 5:00
Tuesday: 9:00 to 5:00
Wednesday: 9:00 to 5:00
Thursday: 9:00 to 5:00
Friday: 9:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED
Clifton Laboratory Facility

1 Insights Drive ,

Clifton, NJ 07012

Get Directions
(866) 697-8378
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours
Valencia Laboratory Facility

27027 Tourney Rd,

Valencia, CA 91355

Get Directions
(800) 421-7110
Monday: 9:00 to 5:00
Tuesday: 9:00 to 5:00
Wednesday: 9:00 to 5:00
Thursday: 9:00 to 5:00
Friday: CLOSED
Saturday: CLOSED
Sunday: CLOSED
Marlborough Laboratory Facility

200 Forest St,

3rd Floor, Suite B

Marlborough, MA 01752

Get Directions
(774) 369-3900
Monday: Hours vary
Tuesday: Hours vary
Wednesday: Hours vary
Thursday: Hours vary
Friday: Hours vary
Saturday: Hours vary
Sunday: Hours vary
San Juan Capistrano

33608 Ortega Hwy,

San Juan Capistrano, CA 92675

Get Directions
(800) 642-4657
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours
West Hills

8401 Fallbrook Ave,

West Hills, CA 91304

Get Directions
(866) 697-8378
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours
Chantilly

14225 Newbrook Dr,

Chantilly, VA 20151

Get Directions
(703) 802-6900
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours
Collegeville Clinical Trials

1201 S Collegeville Rd,

2nd Floor

Collegeville, PA 19426

Get Directions
(800) 877-7484
Monday: 8:00 to 5:00
Tuesday: 8:00 to 5:00
Wednesday: 8:00 to 5:00
Thursday: 8:00 to 5:00
Friday: 8:00 to 5:00
Saturday: CLOSED
Sunday: CLOSED

900 Business Center Drive,

Horsham, PA 19044

Get Directions
(866) 697-8378
Monday: 7:00 to 3:30
Tuesday: 7:00 to 3:30
Wednesday: 7:00 to 3:30
Thursday: 7:00 to 3:30
Friday: 7:00 to 3:30
Saturday: 7:00 to 3:00
Sunday: CLOSED
Laboratory Facility: Teterboro

One Malcolm Ave,

Teterboro, NJ 07608

Get Directions
(866) 697-8378
Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours

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Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA certified laboratories that provide HIPAA covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2024 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.