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

C-DAT LLC (Preferred)

17 Tennesse Street,

Suite 142

Vallejo, CA 94590

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

3.07 mi away

707-643-3894
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
ARCpoint Labs of Martinez (Preferred)

3237 Alhambra Ave,

Martinez, CA 94553

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

8.66 mi away

925-957-6870
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: Closed
Sunday: Closed
No Drugs Inc - Martinez (Preferred)

839 Arnold Drive,

Ste 100

Martinez, CA 94553

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

9.35 mi away

800-490-3784
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
Carbon Health - Martinez (Preferred)

1125 Arnold Dr,

Martinez, CA 94553

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

9.84 mi away

949-396-1381
Monday: 10:00 am-2:00 pm
Tuesday: 10:00 am-2:00 pm
Wednesday: 10:00 am-2:00 pm
Thursday: 10:00 am-2:00 pm
Friday: 10:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Fastest Labs of Richmond (Preferred)

4261 Hilltop Dr,

Ste A

Richmond, CA 94803

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

11.01 mi away

510-514-0090
Monday: 9:30 am-5:00 pm
Tuesday: 9:30 am-5:00 pm
Wednesday: 9:30 am-5:00 pm
Thursday: 9:30 am-5:00 pm
Friday: 9:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
IRP & Drug Testing Services - Fairfield (Preferred)

1335 Oliver Rd,

Fairfield, CA 94534

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

12.29 mi away

707-520-8059
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: 9:00 am-1:00 pm
Sunday: Closed
North Bay Med Ctr Fairfield (Preferred)

2470 Hilborn Rd,

Ste 110

Fairfield, CA 94534

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

13.86 mi away

707-646-4600
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
ExamOne-Concord (Preferred)

2121 N California Blvd,

Ste 150

Walnut Creek, CA 94596

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

15.91 mi away

925-939-3655
Monday: Closed
Tuesday: 9:00 am-2:00 pm
Wednesday: 9:00 am-2:00 pm
Thursday: 9:00 am-2:00 pm
Friday: 9:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Albany (Preferred)

1080 Monroe St,

Suite 120

Albany, CA 94706

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

16.55 mi away

510-606-9485
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
Carbon Health - Concord (Preferred)

5434 Ygnacio Valley Rd,

Ste 250

Concord, CA 94521

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

17.24 mi away

949-522-9798
Monday: 10:00 am-3:00 pm
Tuesday: 10:00 am-3:00 pm
Wednesday: 10:00 am-3:00 pm
Thursday: 10:00 am-3:00 pm
Friday: 10:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Novato (Preferred)

132 Vintage Oaks Way,

Ste F5

Novato, CA 94945

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

18.63 mi away

415-539-3241
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: 9:00 am-12:00 pm
ARCpoint Labs of San Rafael (Preferred)

4340 Redwood Hwy,

Ste A33

San Rafel, CA 94903

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

19.01 mi away

415-475-4620
Monday: 8:30 am-3:00 pm
Tuesday: 8:30 am-3:00 pm
Wednesday: 8:30 am-3:00 pm
Thursday: 8:30 am-3:00 pm
Friday: 8:30 am-3:00 pm
Saturday: Closed
Sunday: Closed
NorthBay Occupational Health (Preferred)

1679 E Monte Vista Ave,

Ste 104

Vacaville, CA 95688

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

21.98 mi away

707-646-4600
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
Carbon Health - Alameda Landing (Preferred)

2690 Fifth St,

Ste B

Alameda, CA 94501

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

22.85 mi away

510-808-4922
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
Carbon Health - Alameda Bridgeside (Preferred)

2671 Blanding Ave,

Stes A & B

Alameda, CA 94501

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

23.87 mi away

415-404-3124
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: Closed
Sunday: Closed
Carbon Health - Civic Center (Preferred)

1390 Market St,

Ste 109

San Francisco, CA 94102

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

25.78 mi away

415-404-3129
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Market Street (Preferred)

1998 Market St,

San Francisco, CA 94102

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

26.46 mi away

415-651-3558
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 9:00 am-7:00 pm
Sunday: 9:00 am-7:00 pm
Carbon Health - Antioch (Preferred)

5829 Lone Tree Way,

Ste D110

Antioch, CA 94531

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

26.89 mi away

209-921-6111
Monday: 9:00 am-2:00 pm
Tuesday: 9:00 am-2:00 pm
Wednesday: 9:00 am-2:00 pm
Thursday: 9:00 am-2:00 pm
Friday: 9:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Inner Sunset (Preferred)

2131 Irving St,

San Francisco, CA 94122

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

28.26 mi away

415-404-3165
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 9:00 am-7:00 pm
Sunday: 9:00 am-7:00 pm
No Drugs Inc - San Fran (Preferred)

9 Silliman St,

Ste 6

San Francisco, CA 94134

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

28.45 mi away

800-490-3784
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
Carbon Health - Stonestown (Preferred)

3251 20Th Ave,

Ste 320

San Francisco, CA 94132

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

30.28 mi away

415-404-3161
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 9:00 am-7:00 pm
Sunday: 9:00 am-7:00 pm
Angelman's Inc (Preferred)

1425 Market Ln,

Ste G

Dixon, CA 95620

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

30.47 mi away

707-693-1947
Monday: Vary
Tuesday: Vary
Wednesday: Vary
Thursday: Vary
Friday: Vary
Saturday: Vary
Sunday: Vary
CheckPoint OTC (Preferred)

24326 MISSION BLVD,

STE 3

HAYWARD, CA 94544

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

31.72 mi away

510-733-5707
Monday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Tuesday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Wednesday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Thursday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Friday: 9:00 am-11:30 am , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
No Drugs Inc - Fremont (Preferred)

3225 Seldon Ct,

Fremont, CA 94539

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

43.27 mi away

800-490-3784
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
Trinity UC Occ-Stockton (Preferred)

10200 Trinity Pkwy,

Ste 202

Stockton, CA 95219

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

44.43 mi away

209-955-1229
Monday: 11:00 am-1:00 pm
Tuesday: 11:00 am-1:00 pm
Wednesday: 11:00 am-1:00 pm
Thursday: 11:00 am-1:00 pm
Friday: 11:00 am-1:00 pm
Saturday: Closed
Sunday: Closed
COMP Tracy (Preferred)

2156 W Grant Line Rd,

Ste 200

Tracy, CA 95377

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

46.88 mi away

209-207-9969
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
United Drug Testing (Preferred)

3440 W Capitol Ave,

West Sacramento, CA 95691

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

47.1 mi away

916-758-8002
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
DOT Lab Services (Preferred)

1503 Saint Marks Plz,

Ste D3

Stockton, CA 95207

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

47.44 mi away

209-645-7900
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: 9:00 am-12:00 pm
Sunday: Closed
Adventist Hlth Lodi Mem - Occ Hlth (Preferred)

800 S Lower Sacramento Rd,

Lodi, CA 95242

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

47.67 mi away

209-339-7441
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
Premier Urgent Care, APMC (Preferred)

644 W 12th St,

Tracy, CA 95376

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

48.23 mi away

209-832-8984
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
No Drugs Inc - Tracy (Preferred)

652 W 11Th St,

Ste 133

Tracy, CA 95376

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

48.28 mi away

800-490-3784
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
No Drugs Inc - Sacramento (Preferred)

7275 E Southgate Dr,

Ste 401

Sacramento, CA 95823

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

48.48 mi away

800-490-3784
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
IRP & Drug Testing Services (Preferred)

65 Quinta Ct,

Ste B

Sacramento, CA 95823

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

48.5 mi away

916-520-0904
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
COMP Stockton (Preferred)

1530 E Hammer Ln,

Stockton, CA 95210

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

48.77 mi away

209-954-3220
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
Capital Drug Testing (Preferred)

6624 Florin Rd,

Sacramento, CA 95828

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

49.04 mi away

916-680-9293
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: 10:00 am-4:00 pm
Sunday: Closed
Carbon Health - Mountain View (Preferred)

2580 W El Camino Real,

Ste 6

Mountain View, CA 94040

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

49.45 mi away

650-265-4166
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: 9:00 am-3:00 pm
Sunday: 9:00 am-3:00 pm
Intercept Inc - Stockton (Preferred)

225 E Channel St,

Ste A

Stockton, CA 95202

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

49.79 mi away

209-337-3100
Monday: 8:00 am-3:00 pm
Tuesday: 8:00 am-3:00 pm
Wednesday: 8:00 am-3:00 pm
Thursday: 8:00 am-3:00 pm
Friday: 8:00 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.