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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 - Metro

1303 Mccullough Ave,

Ste 338

San Antonio, TX 78212

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4.24 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 - Inside Military Drive Walmart

8923 W Military Dr,

San Antonio, TX 78245

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4.25 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 - Communicare Brooklyn

1200 Brooklyn Ave,

Suite 320

San Antonio, TX 78212

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4.31 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 - Bandera Road

6100 Bandera Road,

Suite 400

San Antonio, TX 78238

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4.88 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 - Inside City South Walmart Store

8538 Ih-35 South,

San Antonio, TX 78211

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5.68 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 - Oak Hills PSC

7959 Fredericksburg Rd,

Ste 117

San Antonio, TX 78229

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6.33 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 - Westover Hills - Employer Drug Testing Not Offered

11212 State Highway 151,

Ste 210 Medical Plaza I

San Antonio, TX 78251

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7.56 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 - Southeast - Employer Drug Testing Not Offered

3859 E Southcross Blvd,

Suite A, Minton Plaza

San Antonio, TX 78222

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8.47 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 - Northeast - Employer Drug Testing Not Offered

8601 Village Drive,

Suite 106

San Antonio, TX 78217

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10.0 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 - Northwest - Employer Drug Testing Not Offered

9234 N Loop 1604 W,

Suite 109

San Antonio, TX 78249

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10.61 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 - Sonterra - Employer Drug Testing Not Offered

1139 E Sonterra Blvd,

Suite 525

San Antonio, TX 78258

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14.19 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 - Hardy Oak

18707 Hardy Oak Blvd,

Suite 560

San Antonio, TX 78258

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14.36 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 - Stone Oak - Employer Drug Testing Not Offered

502 Madison Oak,

Suite 350

San Antonio, TX 78258

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14.42 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 - Toepperwein - Employer Drug Testing Not Offered

12709 Toepperwein Rd,

Ste 207

Live Oak, TX 78233

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14.88 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

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16.27 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 Walmart Schertz

6102 Fm 3009,

Schertz, TX 78154

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20.03 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 - Boerne - Employer Drug Testing Not Offered

430 W Bandera Rd,

Ste 6

Boerne, TX 78006

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26.48 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 - Inside Singing Oaks Walmart Store

305 Singing Oaks,

Spring Branch, TX 78070

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27.59 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 - New Braunfels - Employer Drug Testing Not Offered

894 Loop 337,

Suite A

New Braunfels, TX 78130

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32.12 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

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32.21 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 - Inside Oaklawn Road Walmart Store

2151 W Oaklawn Rd,

Pleasanton, TX 78064

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33.45 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
Quest Diagnostics - Seguin - Employer Drug Testing Not Offered

519 North King Street,

Suite 102

Seguin, TX 78155

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34.41 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 Buda WalMart Store

690 Old San Antonio Rd,

Buda, TX 78610

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60.58 mi away

Schedule Appointment 512-400-4153
Monday: 6:30 am-4:30 pm
Tuesday: 6:30 am-4:30 pm
Wednesday: 6:30 am-4:30 pm
Thursday: 6:30 am-4:30 pm
Friday: 6:30 am-4:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Brodie Lane Randalls Store - Employer Drug Testing Not Offered

9911 Brodie Lane,

Austin, TX 78748

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65.12 mi away

Schedule Appointment 512-292-1292
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: Closed
Sunday: Closed
Quest Diagnostics - Beeville

200 W Fm 351,

Suite A

Beeville, TX 78102

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66.64 mi away

Schedule Appointment 361-362-2405
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 W. Ben White Blvd Randalls Store - Employer Drug Testing Not Offered

2025 W Ben White Blvd,

Austin, TX 78704

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69.46 mi away

Schedule Appointment 512-448-9922
Monday: 7:30 am-1:00 pm , 2:00 pm-4:30 pm
Tuesday: 7:30 am-1:00 pm , 2:00 pm-4:30 pm
Wednesday: 7:30 am-1:00 pm , 2:00 pm-4:30 pm
Thursday: 7:30 am-1:00 pm , 2:00 pm-4:30 pm
Friday: 7:30 am-1:00 pm , 2:00 pm-4:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Lakeway Randalls Store

2301 Ranch Rd 620 South,

Lakeway, TX 78734

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71.19 mi away

Schedule Appointment 512-263-2000
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 - Inside West Lake Hills Randalls Store - Employer Drug Testing Not Offered

3300 Bee Caves Rd,

Ste 500

West Lake Hills, TX 78746

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71.76 mi away

Schedule Appointment 512-329-6939
Monday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Tuesday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Wednesday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Thursday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Friday: 8:00 am-12:30 pm , 1:30 pm-5:00 pm
Saturday: Closed
Sunday: Closed

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