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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 - Victoria

8902 N Navarro St,

Ste 200

Victoria, TX 77904

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18.18 mi away

Schedule Appointment 361-676-7474
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 - Beeville

200 W Fm 351,

Suite A

Beeville, TX 78102

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45.59 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 - Seguin - Employer Drug Testing Not Offered

519 North King Street,

Suite 102

Seguin, TX 78155

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52.11 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 - Beeville

1652 E Houston Street,

Suite B

Beeville, TX 78102

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55.26 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 - Employer Drug Testing Not Offered - Wharton

2112 Regional Medical Drive,

Ste. 1303

Wharton, TX 77488

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59.14 mi away

Schedule Appointment 979-253-4068
Monday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Tuesday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Wednesday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Thursday: 7:30 am-12:30 pm , 1:00 pm-4:00 pm
Friday: 7:30 am-12:30 pm , 1:00 pm-4:00 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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61.02 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
Matagorda County Hospital - Matagorda County

104 7Th St,

Bay City, TX 77414

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64.05 mi away

979-241-5922
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 - New Braunfels - Employer Drug Testing Not Offered

894 Loop 337,

Suite A

New Braunfels, TX 78130

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64.8 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
Matagorda County Hospital - Matagorda County Hospital

1115 Avenue G,

1st Floor

Bay City, TX 77414

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65.13 mi away

979-241-6791
Monday: 9:00 am-4:00 pm
Tuesday: 9:00 am-4:00 pm
Wednesday: 9:00 am-4:00 pm
Thursday: 9:00 am-4:00 pm
Friday: 9:00 am-4:00 pm
Saturday: 9:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Walmart Schertz

6102 Fm 3009,

Schertz, TX 78154

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67.43 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

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67.91 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 - Toepperwein - Employer Drug Testing Not Offered

12709 Toepperwein Rd,

Ste 207

Live Oak, TX 78233

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69.02 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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69.66 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 Oaklawn Road Walmart Store

2151 W Oaklawn Rd,

Pleasanton, TX 78064

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70.86 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 - Northeast - Employer Drug Testing Not Offered

8601 Village Drive,

Suite 106

San Antonio, TX 78217

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71.81 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 - Communicare Brooklyn

1200 Brooklyn Ave,

Suite 320

San Antonio, TX 78212

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72.91 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 - Metro

1303 Mccullough Ave,

Ste 338

San Antonio, TX 78212

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73.04 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 - Rockport

2319 Highway 35 N,

Suite C

Rockport, TX 78382

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73.5 mi away

Schedule Appointment 361-727-2671
Monday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 6:30 am-12:00 pm , 1:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside City South Walmart Store

8538 Ih-35 South,

San Antonio, TX 78211

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74.23 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

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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.