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 - Manteca East Commerce Avenue

293 East Commerce Ave,

Manteca, CA 95336

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

2.69 mi away

Schedule Appointment 209-823-2560
Monday: 6:30 am-4:00 pm
Tuesday: 6:30 am-4:00 pm
Wednesday: 6:30 am-4:00 pm
Thursday: 6:30 am-4:00 pm
Friday: 6:30 am-4:00 pm
Saturday: 6:30 am-10:30 am
Sunday: Closed
Quest Diagnostics - Manteca Norman Drive - Employer Drug Testing Not Offered

1140 Norman Dr,

Ste 2

Manteca, CA 95336

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

2.77 mi away

Schedule Appointment 209-825-4158
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 - Stockton East Magnolia

510 E. Magnolia Street,

STE 130

Stockton, CA 95202

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

10.1 mi away

Schedule Appointment 209-941-2468
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: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Modesto Pelandale Ave

3525 Pelandale Ave,

Modesto, CA 95356

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

11.88 mi away

Schedule Appointment 209-222-1754
Monday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Tuesday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Wednesday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Thursday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Friday: 7:30 am-11:30 am , 12:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Stockton 1801 East March

1801 E March Ln,

Ste B200

Stockton, CA 95210

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

12.57 mi away

Schedule Appointment 209-956-2815
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: Closed
Sunday: Closed
Quest Diagnostics - 2291 West March

2291 W March Ln,

Ste F145

Stockton, CA 95207

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

12.75 mi away

Schedule Appointment 209-951-5831
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
Quest Diagnostics - Stockton W March Ln - Employer Drug Testing Not Offered

3132 W March Ln,

Ste 1

Stockton, CA 95219

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

13.02 mi away

Schedule Appointment 209-956-2624
Monday: 6:30 am-4:00 pm
Tuesday: 6:30 am-4:00 pm
Wednesday: 6:30 am-4:00 pm
Thursday: 6:30 am-4:00 pm
Friday: 6:30 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Employer Drug Screens Not Offered - Hammer Lane

1708 W Hammer Ln,

Stockton, CA 95209

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

14.72 mi away

Schedule Appointment 209-955-1288
Monday: 7:00 am-3:00 pm
Tuesday: 7:00 am-3:00 pm
Wednesday: 7:00 am-3:00 pm
Thursday: 7:00 am-3:00 pm
Friday: 7:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Tracy 1832 W 11th St

1832 W 11Th St,

Tracy, CA 95376

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

14.78 mi away

Schedule Appointment 209-830-1350
Monday: 6:30 am-4:00 pm
Tuesday: 6:30 am-4:00 pm
Wednesday: 6:30 am-4:00 pm
Thursday: 6:30 am-4:00 pm
Friday: 6:30 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Modesto McHenry Avenue - Employer Drug Testing Not Offered

1524 Mchenry Ave,

Ste 120

Modesto, CA 95350

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

16.02 mi away

Schedule Appointment 209-575-4559
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: 6:30 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Modesto 6th Street

1008 6th Street,

Suite C

Modesto, CA 95354

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

17.1 mi away

Schedule Appointment 209-569-0379
Monday: 6:30 am-2:30 pm
Tuesday: 6:30 am-2:30 pm
Wednesday: 6:30 am-2:30 pm
Thursday: 6:30 am-2:30 pm
Friday: 6:30 am-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Modesto E Orangeburg Ave

2222 E Orangeburg Ave,

Suite 104

Modesto, CA 95355

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

17.54 mi away

Schedule Appointment 888-277-8772
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 - Oakdale South Oak Avenue

250 S. Oak Ave,

Bldg C, Ste 2

Oakdale, CA 95361

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

18.76 mi away

Schedule Appointment 209-845-2911
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 - Lodi South Fairmont - Employer Drug Testing Not Offered

845 S Fairmont Ave,

Ste 6

Lodi, CA 95240

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

20.46 mi away

Schedule Appointment 209-367-4468
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 - Lodi South Ham Lane

801 S Ham Ln,

Ste 1

Lodi, CA 95242

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

20.59 mi away

Schedule Appointment 209-333-9796
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: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Ceres East Whitmore Avenue

2531 E Whitmore Ave,

Ste P

Ceres, CA 95307

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

21.17 mi away

Schedule Appointment 209-581-0155
Monday: 6:00 am-3:00 pm
Tuesday: 6:00 am-3:00 pm
Wednesday: 6:00 am-3:00 pm
Thursday: 6:00 am-3:00 pm
Friday: 6:00 am-3:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Patterson Sperry

1045 Sperry Ave,

Ste D

Patterson, CA 95363

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

25.66 mi away

Schedule Appointment 209-202-9293
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 - Brentwood Central Boulevard

1181 Central Boulevard,

Suite C

Brentwood, CA 94513

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

27.39 mi away

Schedule Appointment 925-516-4900
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
Quest Diagnostics - Turlock East Tuolumne - Employer Drug Testing Not Offered

981 East Tuolumne Road,

Suite 100

Turlock, CA 95382

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

29.27 mi away

Schedule Appointment 209-202-9569
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Turlock East Hawkeye Avenue

777 E Hawkeye Ave,

Ste 1

Turlock, CA 95380

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

29.58 mi away

Schedule Appointment 209-202-9175
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 - Livermore East Stanley - Employer Drug Testing Not Offered

1090 E Stanley Blvd,

Livermore, CA 94550

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

32.63 mi away

Schedule Appointment 925-245-0375
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Antioch Lone Tree Way - Employer Drug Testing Not Offered

4049 Lone Tree Way,

Suite F

Antioch, CA 94531

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

33.21 mi away

Schedule Appointment 925-477-0412
Monday: 7:30 am-11:30 am , 12:30 pm-3:30 pm
Tuesday: 7:30 am-11:30 am , 12:30 pm-3:30 pm
Wednesday: 7:30 am-11:30 am , 12:30 pm-3:30 pm
Thursday: 7:30 am-11:30 am , 12:30 pm-3:30 pm
Friday: 7:30 am-11:30 am , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Dublin Safeway Tassajara Road

4440 Tassajara Rd,

Dublin, CA 94568

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

36.73 mi away

Schedule Appointment 925-519-3352
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 - Pittsburg Gladstone Drive - Employer Drug Testing Not Offered

2250 Gladstone Dr,

Ste 5

Pittsburg, CA 94565

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

37.28 mi away

Schedule Appointment 925-206-2482
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 - Pleasanton Stoneridge Mall - Employer Drug Testing Not Offered

5720 Stoneridge Mall Road,

Suite 110

Pleasanton, CA 94588

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

39.91 mi away

Schedule Appointment 925-227-0180
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 San Ramon Valley Blvd Safeway Store - Employer Drug Testing Not Offered

2505 San Ramon Valley Blvd,

San Ramon, CA 94583

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

41.36 mi away

Schedule Appointment 925-856-9215
Monday: 7:30 am-11:30 am , 12:30 pm-4:30 pm
Tuesday: 7:30 am-11:30 am , 12:30 pm-4:30 pm
Wednesday: 7:30 am-11:30 am , 12:30 pm-4:30 pm
Thursday: 7:30 am-11:30 am , 12:30 pm-4:30 pm
Friday: 7:30 am-11:30 am , 12:30 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Elk Grove Office Park Circle - Employer Drug Testing Not Offered

9281 Office Park Cir,

Ste 120

Elk Grove, CA 95758

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

41.67 mi away

Schedule Appointment 916-683-7062
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 - Jackson Clinton Road

223 Clinton Rd,

Ste 203

Jackson, CA 95642

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

42.09 mi away

Schedule Appointment 209-223-5554
Monday: 7:30 am-11:00 am , 12:00 pm-2:30 pm
Tuesday: 7:30 am-11:00 am , 12:00 pm-2:30 pm
Wednesday: 7:30 am-11:00 am , 12:00 pm-2:30 pm
Thursday: 7:30 am-11:00 am , 12:00 pm-2:30 pm
Friday: 7:30 am-11:00 am , 12:00 pm-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Jackson Safeway Store - Employer Drug Testing Not Offered

12110 Industry Blvd,

Jackson, CA 95642

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

42.6 mi away

Schedule Appointment 209-714-8064
Monday: 8:00 am-11:30 am , 12:30 pm-5:00 pm
Tuesday: 8:00 am-11:30 am , 12:30 pm-5:00 pm
Wednesday: 8:00 am-11:30 am , 12:30 pm-5:00 pm
Thursday: 8:00 am-11:30 am , 12:30 pm-5:00 pm
Friday: 8:00 am-11:30 am , 12:30 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Concord Clayton Rd

4383 Clayton Rd,

Suite 20

Concord, CA 94521

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

42.71 mi away

Schedule Appointment 831-212-2754
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Sacramento Timberlake Way - Employer Drug Testing Not Offered

8191 Timberlake Way,

Suite 300

Sacramento, CA 95823

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

44.71 mi away

Schedule Appointment 916-405-6008
Monday: 6:00 am-4:30 pm
Tuesday: 6:00 am-4:30 pm
Wednesday: 6:00 am-4:30 pm
Thursday: 6:00 am-4:30 pm
Friday: 6:00 am-4:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Walnut Creek La Cas Via

108 La Casa Via,

Ste 105

Walnut Creek, CA 94598

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

44.98 mi away

Schedule Appointment 925-930-6897
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Sonora Crossroads

1031 Sanguinetti Rd,

Ste B

Sonora, CA 95370

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

45.36 mi away

Schedule Appointment 209-630-0257
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 - Fremont 2191 Mowry - Employer Drug Testing Not Offered

2191 Mowry Avenue,

Suite 500B

Fremont, CA 94538

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

45.59 mi away

Schedule Appointment 510-203-2870
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: 6:30 am-11:00 am
Sunday: Closed
Quest Diagnostics - Fremont Liberty - Employer Drug Testing Not Offered

39273 Liberty St,

Fremont, CA 94538

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

45.74 mi away

Schedule Appointment 510-203-2468
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: 6:30 am-11:00 am
Sunday: Closed
Quest Diagnostics - Employer Drug Screens Not Offered - Atwater Commerce Ave

1271 Commerce Ave,

Shops 5

Atwater, CA 95301

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

46.07 mi away

Schedule Appointment 209-628-7860
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 - Milpitas East Calaveras Boulevard

649 E Calaveras Blvd,

Milpitas, CA 95035

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

46.12 mi away

Schedule Appointment 408-204-4399
Monday: 7:00 am-3:00 pm
Tuesday: 7:00 am-3:00 pm
Wednesday: 7:00 am-3:00 pm
Thursday: 7:00 am-3:00 pm
Friday: 7:00 am-3:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Pleasant Hill Gregory Lane

401 Gregory Ln,

Ste 146

Pleasant Hill, CA 94523

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

46.88 mi away

Schedule Appointment 925-687-2514
Monday: 7:30 am-12:00 pm
Tuesday: 7:30 am-12:00 pm
Wednesday: 7:30 am-12:00 pm
Thursday: 7:30 am-12:00 pm
Friday: 7:30 am-12:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - San Jose Alum Rock Avenue

2618 Alum Rock Ave,

San Jose, CA 95116

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

46.95 mi away

Schedule Appointment 408-202-6029
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: 6:00 am-10:00 am
Sunday: Closed
Quest Diagnostics - Sacramento Florin Rd - Employer Drug Testing Not Offered

6029 Florin Rd,

Ste 100

Sacramento, CA 95823

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

47.48 mi away

Schedule Appointment 916-428-3832
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 - San Jose Quimby Road - Employer Drug Testing Not Offered

2365 Quimby Rd,

Ste 211

San Jose, CA 95122

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

47.71 mi away

Schedule Appointment 408-274-2670
Monday: 6:00 am-4:00 pm
Tuesday: 6:00 am-4:00 pm
Wednesday: 6:00 am-4:00 pm
Thursday: 6:00 am-4:00 pm
Friday: 6:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Castro Valley Lake Chabot - Employer Drug Testing Not Offered

20400 Lake Chabot Rd,

Ste 101

Castro Valley, CA 94546

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

47.86 mi away

Schedule Appointment 510-881-1570
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 - Sacramento South Land Park-Employer Drug Screens Not Offered

7248 South Land Park Drive,

Suite 120

Sacramento, CA 95831

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

48.55 mi away

Schedule Appointment 916-392-4545
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 - Hayward Southland Mall - Employer Drug Testing Not Offered

1 Southland Mall Dr,

Suite 718

Hayward, CA 94545

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

49.47 mi away

Schedule Appointment 510-785-7075
Monday: 6:30 am-3:30 pm
Tuesday: 6:30 am-3:30 pm
Wednesday: 6:30 am-3:30 pm
Thursday: 6:30 am-3:30 pm
Friday: 6:30 am-3:30 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
Quest Diagnostics - Lafayette Mt Diablo Boulevard - Employer Drug Testing Not Offered

3800 Mt Diablo Blvd,

Suite 104

Lafayette, CA 94549

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

49.61 mi away

Schedule Appointment 925-283-4872
Monday: 7:30 am-12:00 pm , 1:00 pm-3:00 pm
Tuesday: 7:30 am-12:00 pm , 1:00 pm-3:00 pm
Wednesday: 7:30 am-12:00 pm , 1:00 pm-3:00 pm
Thursday: 7:30 am-12:00 pm , 1:00 pm-3:00 pm
Friday: 7:30 am-12:00 pm , 1:00 pm-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.