Skip to main content

In-home sample collection may be available in your area for purchase through Quest Mobile™

When scheduling an appointment online, use your zip code (not city name) for best results. After entering your zip code, a Quest Mobile option will appear if it’s available for purchase in your area. Let’s check

Hide
Quest Diagnostics

Location search

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.

Search for a lab testing location to schedule an appointment

Required

Search

Looking for a facility or operation that is not a lab testing location?

US Facilities & Operations International Facilities & Operations

List

Quest Diagnostics - Winchester Amherst Street - Employer Drug Testing Not Offered

812 Amherst St,

Ste 100

Winchester, VA 22601

Get Directions
ds-icon--pin Created with Sketch.

16.73 mi away

Schedule Appointment 540-686-7217
Monday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Tuesday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Wednesday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Thursday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Friday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Saturday: 7:00 am-10:00 am
Sunday: Closed
Quest Diagnostics - Leesburg

521 E. Market St,

Leesburg, VA 20176

Get Directions
ds-icon--pin Created with Sketch.

20.27 mi away

Schedule Appointment 703-777-7887
Monday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: 7:00 am-10:00 am
Sunday: Closed
Quest Diagnostics - Lansdowne

19415 Deerfield Avenue,

Suite 115B

Leesburg, VA 20176

Get Directions
ds-icon--pin Created with Sketch.

24.74 mi away

Schedule Appointment 703-729-6732
Monday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Hagerstown MD

11110 Medical Campus Rd,

Ste 244

Hagerstown, MD 21742

Get Directions
ds-icon--pin Created with Sketch.

26.8 mi away

Schedule Appointment 240-850-3252
Monday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Tuesday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Wednesday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Thursday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Friday: 7:00 am-12:30 pm , 1:00 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Aspen Ridge

165 Thomas Johnson Dr,

Liberty Professional Bldg, Suite H

Frederick, MD 21702

Get Directions
ds-icon--pin Created with Sketch.

27.83 mi away

Schedule Appointment 301-662-9298
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Ashburn

21785 Filigree Court,

Suite 204

Ashburn, VA 20147

Get Directions
ds-icon--pin Created with Sketch.

28.22 mi away

Schedule Appointment 571-223-0234
Monday: 7:30 am-3:30 pm
Tuesday: 7:30 am-3:30 pm
Wednesday: 7:30 am-3:30 pm
Thursday: 7:30 am-3:30 pm
Friday: 7:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Sterling

14 Pidgeon Hill Dr,

Ste 130

Sterling, VA 20165

Get Directions
ds-icon--pin Created with Sketch.

29.23 mi away

Schedule Appointment 703-444-4844
Monday: 7:30 am-3:30 pm
Tuesday: 7:30 am-3:30 pm
Wednesday: 7:30 am-3:30 pm
Thursday: 7:30 am-3:30 pm
Friday: 7:30 am-3:30 pm
Saturday: Closed
Sunday: Closed
Germantown Emergency Room - Emergency Room GER SGAH

19731 Germantown Rd,

Germantown, MD 20874

Get Directions
ds-icon--pin Created with Sketch.

33.04 mi away

703-802-6900
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: 24 hrs
Sunday: 24 hrs
Quest Diagnostics - Germantown

20528 Boland Farm Road,

Suite 205

Germantown, MD 20876

Get Directions
ds-icon--pin Created with Sketch.

33.61 mi away

Schedule Appointment 301-972-2097
Monday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Herndon

104 Elden St,

Ste 16

Herndon, VA 20170

Get Directions
ds-icon--pin Created with Sketch.

33.97 mi away

Schedule Appointment 703-435-3344
Monday: 7:00 am-3:30 pm
Tuesday: 7:00 am-3:30 pm
Wednesday: 7:00 am-3:30 pm
Thursday: 7:00 am-3:30 pm
Friday: 7:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Gainesville

14370 Lee Highway,

Suite 101

Gainesville, VA 20155

Get Directions
ds-icon--pin Created with Sketch.

35.16 mi away

Schedule Appointment 703-754-9043
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: 7:30 am-10:30 am
Sunday: Closed
Quest Diagnostics - Inside Reston Safeway Store - Employer Drug Testing Not Offered

2304 Hunters Woods Plz,

Reston, VA 20191

Get Directions
ds-icon--pin Created with Sketch.

35.47 mi away

Schedule Appointment 703-390-9989
Monday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Gaithersburg Safeway Store - Employer Drug Testing Not Offered

20211 Goshen Rd,

Gaithersburg, MD 20879

Get Directions
ds-icon--pin Created with Sketch.

37.07 mi away

Schedule Appointment 202-339-1132
Monday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: 8:00 am-1:00 pm
Sunday: Closed
Quest Diagnostics - Waynesboro

626 E Main St,

Waynesboro Shopping Mall

Waynesboro, PA 17268

Get Directions
ds-icon--pin Created with Sketch.

37.36 mi away

Schedule Appointment 717-765-4592
Monday: 7:00 am-11:30 am , 12:00 pm-2:30 pm
Tuesday: 7:00 am-11:30 am , 12:00 pm-2:30 pm
Wednesday: 7:00 am-11:30 am , 12:00 pm-2:30 pm
Thursday: 7:00 am-11:30 am , 12:00 pm-2:30 pm
Friday: 7:00 am-11:30 am , 12:00 pm-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Rockville Medical Center Drive

9707 Medical Center Drive,

Suite 120

Rockville, MD 20850

Get Directions
ds-icon--pin Created with Sketch.

37.89 mi away

Schedule Appointment 301-340-0290
Monday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Rockville Shady Grove

15225 Shady Grove Road,

Suite 207

Rockville, MD 20850

Get Directions
ds-icon--pin Created with Sketch.

38.08 mi away

Schedule Appointment 202-317-2024
Monday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Fairfax Safeway Store - Employer Drug Testing Not Offered

12200 Fairfax Towne Ctr,

Fairfax, VA 22033

Get Directions
ds-icon--pin Created with Sketch.

38.5 mi away

Schedule Appointment 571-762-3217
Monday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Mount Airy Safeway Store - Employer Drug Testing Not Offered

337 E Ridgeville Blvd,

Mount Airy, MD 21771

Get Directions
ds-icon--pin Created with Sketch.

38.66 mi away

Schedule Appointment 301-829-5555
Monday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Manassas

8685 Sudley Rd,

Manassas, VA 20110

Get Directions
ds-icon--pin Created with Sketch.

39.87 mi away

Schedule Appointment 703-367-9470
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Fairfax Main Street

10721 Main Street,

Suite 1400

Fairfax, VA 22030

Get Directions
ds-icon--pin Created with Sketch.

41.29 mi away

Schedule Appointment 703-385-5670
Monday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Bethesda

6410 Rockledge Dr,

Suite 105

Bethesda, MD 20817

Get Directions
ds-icon--pin Created with Sketch.

42.78 mi away

Schedule Appointment 301-564-0150
Monday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside McLean Safeway Store - Anderson Rd

1688 Anderson Rd,

Mc Lean, VA 22102

Get Directions
ds-icon--pin Created with Sketch.

42.87 mi away

Schedule Appointment 571-531-2829
Monday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Tuesday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Wednesday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Thursday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Friday: 7:30 am-12:00 pm , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Burke Safeway Store

5727 Burke Centre Pkwy,

Burke, VA 22015

Get Directions
ds-icon--pin Created with Sketch.

43.55 mi away

Schedule Appointment 703-250-2211
Monday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Prosperity Medical Center

8501 Arlington Blvd,

Suite 120

Fairfax, VA 22031

Get Directions
ds-icon--pin Created with Sketch.

43.68 mi away

Schedule Appointment 703-205-9686
Monday: 7:30 am-4:00 pm
Tuesday: 7:30 am-4:00 pm
Wednesday: 7:30 am-4:00 pm
Thursday: 7:30 am-4:00 pm
Friday: 7:30 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Olney

18111 Prince Philip Drive,

Suite T12

Olney, MD 20832

Get Directions
ds-icon--pin Created with Sketch.

44.2 mi away

Schedule Appointment 301-774-3111
Monday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Bethesda Safeway Store - Employer Drug Testing Not Offered

5000 Bradley Blvd,

Bethesda, MD 20815

Get Directions
ds-icon--pin Created with Sketch.

45.76 mi away

Schedule Appointment 301-656-2444
Monday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Annandale - Employer Drug Testing Not Offered

7617 Little River Turnpike,

Suite 700

Annandale, VA 22003

Get Directions
ds-icon--pin Created with Sketch.

46.29 mi away

Schedule Appointment 703-256-1213
Monday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:30 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Wheaton Safeway Store - Employer Drug Testing Not Offered

11201 Georgia Ave,

Wheaton, MD 20902

Get Directions
ds-icon--pin Created with Sketch.

46.52 mi away

Schedule Appointment 301-933-0330
Monday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Carlin Springs

611 S Carlin Springs Road,

Suite 103

Arlington, VA 22204

Get Directions
ds-icon--pin Created with Sketch.

48.54 mi away

Schedule Appointment 703-933-3697
Monday: 8:00 am-4:30 pm
Tuesday: 8:00 am-4:30 pm
Wednesday: 8:00 am-4:30 pm
Thursday: 8:00 am-4:30 pm
Friday: 8:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Chambersburg Norland

966 Norland Ave,

Chambersburg, PA 17201

Get Directions
ds-icon--pin Created with Sketch.

48.59 mi away

Schedule Appointment 717-264-5020
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Ballston

3833 Fairfax Drive,

Suite 330

Arlington, VA 22203

Get Directions
ds-icon--pin Created with Sketch.

48.62 mi away

Schedule Appointment 703-812-5239
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Lockwood

10801 Lockwood Drive,

Suite 130

Silver Spring, MD 20901

Get Directions
ds-icon--pin Created with Sketch.

49.05 mi away

Schedule Appointment 301-592-8804
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Woodbridge Marblestone Drive

12731 Marblestone Dr,

Suite 100

Woodbridge, VA 22192

Get Directions
ds-icon--pin Created with Sketch.

49.24 mi away

Schedule Appointment 703-680-2162
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed

Our focus on your safety

Our safety precautions help ensure your confidence and comfort while visiting our Patient Service Centers to get the testing you need, today and every day.

Learn More

Our company

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. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.