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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 - Barker-Cypress

12344 Barker Cypress Rd,

Ste 170

Cypress, TX 77429

Get Directions

2.72 mi away

Schedule Appointment 281-746-6407
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 - Fallbrook

11811 Fm 1960 Rd W,

Suite 155

Houston, TX 77065

Get Directions

6.58 mi away

Schedule Appointment 281-970-4883
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 - Tomball

13406 Medical Complex Dr,

Suite 170

Tomball, TX 77375

Get Directions

6.77 mi away

Schedule Appointment 281-351-1668
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
Quest Diagnostics - Jones Road

10680 Jones Road,

Suite 200

Houston, TX 77065

Get Directions

6.89 mi away

Schedule Appointment 281-894-9214
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Commons at Willowbrook

7538 Cypress Creek Pkwy,

Houston, TX 77070

Get Directions

7.6 mi away

Schedule Appointment 281-469-1726
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
Quest Diagnostics - Inside Clay Randalls Store

18322 Clay Rd,

Houston, TX 77084

Get Directions

11.33 mi away

Schedule Appointment 832-544-6506
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 - Red Oak - Employer Drug Testing Not Offered

17070 Red Oak Dr,

Suite 106

Houston, TX 77090

Get Directions

12.49 mi away

Schedule Appointment 281-893-2578
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 - New 1960

930 Fm 1960 Rd E,

Ste B

Houston, TX 77073

Get Directions

14.08 mi away

Schedule Appointment 281-583-1881
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
Quest Diagnostics - Katy PSC

23920 Katy Freeway,

Ste 465

Katy, TX 77494

Get Directions

15.58 mi away

Schedule Appointment 346-287-6403
Monday: 7:30 am-5:30 pm
Tuesday: 7:30 am-5:30 pm
Wednesday: 7:30 am-5:30 pm
Thursday: 7:30 am-5:30 pm
Friday: 7:30 am-5:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Fry Road

952 S Fry Rd,

Katy, TX 77450

Get Directions

15.67 mi away

Schedule Appointment 281-599-9603
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - 1 Medical Building - Employer Drug Testing Not Offered

10837 Katy Fwy,

Suite 150

Houston, TX 77079

Get Directions

15.84 mi away

Schedule Appointment 713-461-5914
Monday: 8:00 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Kingsride

12385 Kingsride Avenue,

Houston, TX 77024

Get Directions

16.57 mi away

Schedule Appointment 713-973-2746
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - The Woodlands

8850 Six Pines Drive,

Suite 230

The Woodlands, TX 77380

Get Directions

17.01 mi away

Schedule Appointment 281-465-4459
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 - Katy Medical Arts

1331 W. Grand Parkway S,

Suite 110

Katy, TX 77493

Get Directions

17.27 mi away

Schedule Appointment 281-392-4975
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 - Northwest

1919 North Loop W,

Suite 125

Houston, TX 77008

Get Directions

18.25 mi away

Schedule Appointment 713-386-1964
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - West Houston Medical Center

12121 Richmond Ave,

Suite 124

Houston, TX 77082

Get Directions

19.03 mi away

Schedule Appointment 281-752-6171
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 - Deerbrook Professional

8901 Fm Road 1960,

Suite 203

Humble, TX 77338

Get Directions

20.62 mi away

Schedule Appointment 281-446-0206
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - 7737 SW Freeway MH

7737 Southwest Fwy,

Ste 940

Houston, TX 77074

Get Directions

22.49 mi away

Schedule Appointment 713-205-7685
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 - Wednesbury

8200 Wednesbury Lane,

Suite 450

Houston, TX 77074

Get Directions

22.71 mi away

Schedule Appointment 713-271-3820
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - West Loop South - Employer Drug Testing Not Offered

6565 West Loop South,

Ste 302

Bellaire, TX 77401

Get Directions

22.98 mi away

Schedule Appointment 713-660-0419
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 - Northpark - Employer Drug Testing Not Offered

23824 Hwy 59 North,

Suite 23816

Kingwood, TX 77339

Get Directions

23.26 mi away

Schedule Appointment 281-358-7033
Monday: 7:00 am-5:30 pm
Tuesday: 7:00 am-5:30 pm
Wednesday: 7:00 am-5:30 pm
Thursday: 7:00 am-5:30 pm
Friday: 7:00 am-5:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside W Holcombe Rd Randalls Store - Employer Drug Testing Not Offered

3131 W Holcombe Blvd,

Houston, TX 77025

Get Directions

24.21 mi away

Schedule Appointment 713-667-7772
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Binz

1200 Binz St,

Ste 115

Houston, TX 77004

Get Directions

24.32 mi away

Schedule Appointment 713-527-8058
Monday: 7:30 am-5:30 pm
Tuesday: 7:30 am-5:30 pm
Wednesday: 7:30 am-5:30 pm
Thursday: 7:30 am-5:30 pm
Friday: 7:30 am-5:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - 6410 Fannin - Employer Drug Testing Not Offered

6410 Fannin Street,

Suite 220

Houston, TX 77030

Get Directions

24.53 mi away

Schedule Appointment 713-791-9101
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 - 7400 Fannin - Employer Drug Testing Not Offered

7400 Fannin Street,

Suite 180

Houston, TX 77054

Get Directions

25.54 mi away

Schedule Appointment 713-791-1684
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
Quest Diagnostics - Sugarland

15259 Southwest Freeway,

Sugar Land, TX 77478

Get Directions

27.27 mi away

Schedule Appointment 281-494-4553
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Richmond PSC

1601 Main Street,

Suite 208

Richmond, TX 77469

Get Directions

29.38 mi away

Schedule Appointment 281-342-5069
Monday: 7:30 am-11:30 am , 12:00 pm-4:30 pm
Tuesday: 7:30 am-11:30 am , 12:00 pm-4:30 pm
Wednesday: 7:30 am-11:30 am , 12:00 pm-4:30 pm
Thursday: 7:30 am-11:30 am , 12:00 pm-4:30 pm
Friday: 7:30 am-11:30 am , 12:00 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - MLK

8610 Martin Luther King Blvd,

Suite B

Houston, TX 77033

Get Directions

29.56 mi away

Schedule Appointment 713-816-1940
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
Quest Diagnostics - East Freeway

1140 Westmont Dr,

Suite 510

Houston, TX 77015

Get Directions

29.95 mi away

Schedule Appointment 713-455-0406
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 Richmond Walmart Store

5330 Fm 1640 Rd,

Richmond, TX 77469

Get Directions

30.66 mi away

Schedule Appointment 281-344-2107
Monday: 7:00 am-12:00 pm , 12:30 pm-4:00 pm
Tuesday: 7:00 am-12:00 pm , 12:30 pm-4:00 pm
Wednesday: 7:00 am-12:00 pm , 12:30 pm-4:00 pm
Thursday: 7:00 am-12:00 pm , 12:30 pm-4:00 pm
Friday: 7:00 am-12:00 pm , 12:30 pm-4:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Pearland Randalls Store - Employer Drug Testing Not Offered

10228 W Broadway,

Pearland, TX 77584

Get Directions

34.42 mi away

Schedule Appointment 713-340-3171
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 - Pasadena - Employer Drug Testing Not Offered

4904 Fairmont Pkwy,

Building 1

Pasadena, TX 77505

Get Directions

36.13 mi away

Schedule Appointment 281-991-1277
Monday: 7:00 am-5:30 pm
Tuesday: 7:00 am-5:30 pm
Wednesday: 7:00 am-5:30 pm
Thursday: 7:00 am-5:30 pm
Friday: 7:00 am-5:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Highland Meadows

11717 Highland Meadow Dr,

Houston, TX 77089

Get Directions

37.65 mi away

Schedule Appointment 281-484-3505
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Clear Point - Employer Drug Testing Not Offered

11454 Space Center Blvd,

Ste A

Houston, TX 77059

Get Directions

38.18 mi away

Schedule Appointment 281-487-2531
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 - Baytown Plaza

6530 Garth Rd,

Baytown, TX 77521

Get Directions

39.55 mi away

Schedule Appointment 346-233-0023
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Bay Area

106 W. Bay Area Blvd,

Suite A

Webster, TX 77598

Get Directions

42.41 mi away

Schedule Appointment 281-332-1038
Monday: 6:30 am-6:00 pm
Tuesday: 6:30 am-6:00 pm
Wednesday: 6:30 am-6:00 pm
Thursday: 6:30 am-6:00 pm
Friday: 6:30 am-6:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Friendswood - Employer Drug Testing Not Offered

355-A East Parkwood,

Friendswood, TX 77546

Get Directions

42.46 mi away

Schedule Appointment 281-910-1802
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 - Clear Lake

600 N Kobayashi,

Ste 109

Webster, TX 77598

Get Directions

43.13 mi away

Schedule Appointment 346-230-2014
Monday: 7:00 am-5:30 pm
Tuesday: 7:00 am-5:30 pm
Wednesday: 7:00 am-5:30 pm
Thursday: 7:00 am-5:30 pm
Friday: 7:00 am-5:30 pm
Saturday: 8:00 am-1:00 pm
Sunday: Closed

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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. © 2024 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.