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 - Eureka

98 The Legends Pkwy,

Ste 108

Eureka, MO 63025

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

1.61 mi away

Schedule Appointment 636-751-3216
Monday: 7:30 am-4:30 pm
Tuesday: 7:30 am-4:30 pm
Wednesday: 7:30 am-4:30 pm
Thursday: 7:30 am-4:30 pm
Friday: 7:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Chesterfield

17300 N Outer 40,

Ste 104

Chesterfield, MO 63005

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

11.64 mi away

Schedule Appointment 636-536-6475
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: Closed
Sunday: Closed
Quest Diagnostics - Southfork Rd

12700 Southfork Rd,

Ste 150

Saint Louis, MO 63128

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

14.39 mi away

Schedule Appointment 314-704-5144
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Mercy Occ Health-South County (Preferred)

12700 Southfork Rd,

Ste 235

Saint Louis, MO 63128

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

14.39 mi away

314-729-9995
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 - Tesson Kennerly

9950 Kennerly Rd,

Saint Louis, MO 63128

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

14.64 mi away

Schedule Appointment 314-842-3693
Monday: 6:30 am-5:30 pm
Tuesday: 6:30 am-5:30 pm
Wednesday: 6:30 am-5:30 pm
Thursday: 6:30 am-5:30 pm
Friday: 6:30 am-5:30 pm
Saturday: 7:00 am-1:00 pm
Sunday: Closed
Quest Diagnostics - Arnold

12 Arnold Mall,

Arnold, MO 63010

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

15.48 mi away

Schedule Appointment 636-287-1233
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: Closed
Sunday: Closed
Mercy Occ Health-Creve Coeur (Preferred)

11700 Studt Ave,

Saint Louis, MO 63141

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

15.7 mi away

314-989-9199
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: Closed
Sunday: Closed
ARCpoint Labs of St. Louis West (Preferred)

11255 Olive Blvd,

Saint Louis, MO 63141

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

16.36 mi away

314-597-6767
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Mercy Occ Health-Washington (Preferred)

901 Patients First Dr,

Ste 1200

Washington, MO 63090

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

18.84 mi away

636-390-2600
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: Closed
Sunday: Closed
Quest Diagnostics - St Peters

4101 Mexico Rd,

Ste E

Saint Peters, MO 63376

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

19.97 mi away

Schedule Appointment 636-441-2938
Monday: 6:00 am-5:00 pm
Tuesday: 6:00 am-5:00 pm
Wednesday: 6:00 am-5:00 pm
Thursday: 6:00 am-5:00 pm
Friday: 6:00 am-5:00 pm
Saturday: 7:00 am-1:00 pm
Sunday: Closed
Mercy Occ Health-St. Peters (Preferred)

107 Piper Hill Dr,

Saint Peters, MO 63376

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

19.99 mi away

636-317-4800
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
Polk Medical Testing Solutions LLC (Preferred)

3430 Mckelvey Rd,

Ste L

Bridgeton, MO 63044

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

20.34 mi away

314-283-6129
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: 7:00 am-3:00 pm
Sunday: Closed
Quest Diagnostics - West Pine

40 N Kingshighway,

Saint Louis, MO 63108

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

22.5 mi away

Schedule Appointment 314-240-2665
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: 7:00 am-1:00 pm
Sunday: Closed
ARCpoint Labs of St. Charles (Preferred)

3769 New Town Blvd,

Saint Charles, MO 63301

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

23.11 mi away

636-410-8271
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: 8:00 am-1:00 pm
Sunday: Closed
Fast Track Testing, LLC (Preferred)

5960 Howdershell Rd,

Ste 104

Hazelwood, MO 63042

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

23.55 mi away

636-800-2496
Monday: 10:00 am-4:00 pm
Tuesday: 10:00 am-4:00 pm
Wednesday: 10:00 am-4:00 pm
Thursday: 10:00 am-4:00 pm
Friday: 10:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Florissant

8186 N Lindbergh Blvd,

Florissant, MO 63031

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

25.37 mi away

Schedule Appointment 314-972-1300
Monday: 6:30 am-5:00 pm
Tuesday: 6:30 am-5:00 pm
Wednesday: 6:30 am-5:00 pm
Thursday: 6:30 am-5:00 pm
Friday: 6:30 am-5:00 pm
Saturday: 7:00 am-1:00 pm
Sunday: Closed
Quest Diagnostics - Festus

1463 US Highway 61,

Festus, MO 63028

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

25.58 mi away

Schedule Appointment 636-931-6717
Monday: 6:30 am-5:00 pm
Tuesday: 6:30 am-5:00 pm
Wednesday: 6:30 am-5:00 pm
Thursday: 6:30 am-5:00 pm
Friday: 6:30 am-5:00 pm
Saturday: 7:00 am-1:00 pm
Sunday: Closed
Metro DNA and Drug Testing (Preferred)

3156 Pershall Rd,

Ste 132

Saint Louis, MO 63136

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

26.93 mi away

314-942-3094
Monday: 8:30 am-5:30 pm
Tuesday: 8:30 am-5:30 pm
Wednesday: 8:30 am-5:30 pm
Thursday: 8:30 am-5:30 pm
Friday: 8:30 am-5:30 pm
Saturday: Closed
Sunday: Closed
Gateway Occupational Health Services (Preferred)

2044 Madison Ave,

Granite City, IL 62040

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

29.98 mi away

618-798-3376
Monday: 7:30 am-3:00 pm
Tuesday: 7:30 am-3:00 pm
Wednesday: 7:30 am-3:00 pm
Thursday: 7:30 am-3:00 pm
Friday: 7:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
Ellsworth Chiropractic (Preferred)

3701 Nameoki Rd,

Ste E

Granite City, IL 62040

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

31.84 mi away

618-451-8830
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-1:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Belleville

3030 Frank Scott Pkwy W,

Ste 5

Belleville, IL 62223

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

32.73 mi away

Schedule Appointment 618-978-4070
Monday: 6:00 am-4:30 pm
Tuesday: 6:00 am-4:30 pm
Wednesday: 6:00 am-4:30 pm
Thursday: 6:00 am-4:30 pm
Friday: 6:00 am-4:30 pm
Saturday: 7:00 am-1:00 pm
Sunday: Closed
TekSolv, Inc - Collinsville IL (Preferred)

100 Lanter Ct,

Ste 8

Collinsville, IL 62234

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

35.36 mi away

618-344-1591
Monday: 6:30 am-2:00 pm
Tuesday: 6:30 am-2:00 pm
Wednesday: 6:30 am-2:00 pm
Thursday: 6:30 am-2:00 pm
Friday: 6:30 am-2:00 pm
Saturday: Closed
Sunday: Closed
Mercy Hospital Lincoln UCC (Preferred)

1000 E Cherry St,

Troy, MO 63379

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

36.74 mi away

636-528-8551
Monday: 8:00 am-6:30 pm
Tuesday: 8:00 am-6:30 pm
Wednesday: 8:00 am-6:30 pm
Thursday: 8:00 am-6:30 pm
Friday: 8:00 am-6:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Alton

237 E Center Dr,

Ste B

Alton, IL 62002

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

38.5 mi away

Schedule Appointment 618-465-5877
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: 7:00 am-1:00 pm
Sunday: Closed
Robart Chiropractic (Preferred)

912 N Missouri St,

Potosi, MO 63664

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

39.69 mi away

573-438-7200
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-12:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Easy Lab Tech, LLC (Preferred)

2203 N Center St,

Maryville, IL 62062

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

39.79 mi away

618-772-7222
Monday: 7:30 am-6:00 pm
Tuesday: 7:30 am-6:00 pm
Wednesday: 7:30 am-6:00 pm
Thursday: 7:30 am-6:00 pm
Friday: 7:30 am-6:00 pm
Saturday: Closed
Sunday: Closed
OSF Occupational Health Godfrey (Preferred)

6702 Godfrey Rd,

Godfrey, IL 62035

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

39.93 mi away

618-467-1540
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: Closed
Sunday: Closed
Quest Diagnostics - Maryville

2136 Vadalabene Dr,

Ste A

Maryville, IL 62062

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

40.41 mi away

Schedule Appointment 618-288-4163
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: 7:00 am-1:00 pm
Sunday: Closed
O.D.A.C.S., Inc. (Preferred)

1122 E MAIN ST,

PARK HILLS, MO 63601

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

46.68 mi away

573-431-6290
Monday: 9:00 am-3:00 pm
Tuesday: 9:00 am-3:00 pm
Wednesday: 9:00 am-3:00 pm
Thursday: 9:00 am-3:00 pm
Friday: 9:00 am-3:00 pm
Saturday: Closed
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.