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 - Sonterra - Employer Drug Testing Not Offered

1139 E Sonterra Blvd,

Suite 525

San Antonio, TX 78258

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

4.0 mi away

Schedule Appointment 210-490-2188
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 - Stone Oak - Employer Drug Testing Not Offered

502 Madison Oak,

Suite 350

San Antonio, TX 78258

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

4.09 mi away

Schedule Appointment 210-495-5201
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: 7:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Hardy Oak

18707 Hardy Oak Blvd,

Suite 560

San Antonio, TX 78258

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

4.35 mi away

Schedule Appointment 210-497-0295
Monday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Oak Hills PSC

7959 Fredericksburg Rd,

Ste 117

San Antonio, TX 78229

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

4.71 mi away

Schedule Appointment 726-239-8402
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: 7:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Northwest - Employer Drug Testing Not Offered

9234 N Loop 1604 W,

Suite 109

San Antonio, TX 78249

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

6.64 mi away

Schedule Appointment 210-647-5666
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 - Bandera Road

6100 Bandera Road,

Suite 400

San Antonio, TX 78238

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

7.19 mi away

Schedule Appointment 210-682-6670
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
Quest Diagnostics - Northeast - Employer Drug Testing Not Offered

8601 Village Drive,

Suite 106

San Antonio, TX 78217

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

7.27 mi away

Schedule Appointment 210-655-2583
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: Closed
Sunday: Closed
Quest Diagnostics - Metro

1303 Mccullough Ave,

Ste 338

San Antonio, TX 78212

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

9.7 mi away

Schedule Appointment 210-212-4668
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: 7:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Communicare Brooklyn

1200 Brooklyn Ave,

Suite 320

San Antonio, TX 78212

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

9.82 mi away

210-233-7000
Monday: 8:00 am-12:30 pm , 1:30 pm-4:00 pm
Tuesday: 8:00 am-12:30 pm , 1:30 pm-4:00 pm
Wednesday: 8:00 am-12:30 pm , 1:30 pm-4:00 pm
Thursday: 8:00 am-12:30 pm , 1:30 pm-4:00 pm
Friday: 8:00 am-12:30 pm , 1:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Toepperwein - Employer Drug Testing Not Offered

12709 Toepperwein Rd,

Ste 207

Live Oak, TX 78233

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

10.44 mi away

Schedule Appointment 210-653-1129
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: Closed
Sunday: Closed
Quest Diagnostics - Creekside

7323 N Loop 1604 E,

Ste 501

Live Oak, TX 78233

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

10.58 mi away

Schedule Appointment 210-906-9703
Monday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-4:30 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-5:00 pm
Saturday: 7:30 am-11:30 am
Sunday: Closed
Quest Diagnostics - Inside Military Drive Walmart

8923 W Military Dr,

San Antonio, TX 78245

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

10.67 mi away

Schedule Appointment 210-404-4462
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 - Westover Hills - Employer Drug Testing Not Offered

11212 State Highway 151,

Ste 210 Medical Plaza I

San Antonio, TX 78251

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

11.17 mi away

Schedule Appointment 210-680-2248
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: Closed
Sunday: Closed
Quest Diagnostics - Inside Walmart Schertz

6102 Fm 3009,

Schertz, TX 78154

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

14.25 mi away

Schedule Appointment 210-742-5501
Monday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:00 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Southeast - Employer Drug Testing Not Offered

3859 E Southcross Blvd,

Suite A, Minton Plaza

San Antonio, TX 78222

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

15.36 mi away

Schedule Appointment 210-337-2436
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 - Inside City South Walmart Store

8538 Ih-35 South,

San Antonio, TX 78211

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

16.47 mi away

Schedule Appointment 210-209-8452
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: 7:00 am-11:30 am , 12:00 pm-2:00 pm
Sunday: Closed
Quest Diagnostics - Inside Singing Oaks Walmart Store

305 Singing Oaks,

Spring Branch, TX 78070

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

16.94 mi away

Schedule Appointment 830-515-5868
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: 7:00 am-11:30 am , 12:00 pm-2:00 pm
Sunday: Closed
Quest Diagnostics - Boerne - Employer Drug Testing Not Offered

430 W Bandera Rd,

Ste 6

Boerne, TX 78006

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

17.45 mi away

Schedule Appointment 830-249-7439
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - New Braunfels - Employer Drug Testing Not Offered

894 Loop 337,

Suite A

New Braunfels, TX 78130

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

25.26 mi away

Schedule Appointment 830-608-0122
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 - New Braunfels PSC 46

1770 State Highway 46,

Ste 1105

New Braunfels, TX 78130

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

26.51 mi away

Schedule Appointment 830-475-2485
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 - Seguin - Employer Drug Testing Not Offered

519 North King Street,

Suite 102

Seguin, TX 78155

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

31.38 mi away

Schedule Appointment 830-379-1777
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 - Inside Oaklawn Road Walmart Store

2151 W Oaklawn Rd,

Pleasanton, TX 78064

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

44.17 mi away

Schedule Appointment 830-268-2046
Monday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Tuesday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Wednesday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Thursday: 7:00 am-11:00 am , 12:00 pm-4:00 pm
Friday: 7:00 am-11:00 am , 12:00 pm-4:00 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.