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 - San Jose Alum Rock Avenue

2618 Alum Rock Ave,

San Jose, CA 95116

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

3.33 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 - Milpitas East Calaveras Boulevard

649 E Calaveras Blvd,

Milpitas, CA 95035

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

4.02 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 - 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.

5.87 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 - Quest Diagnostics-ExamOne-SJ

3150 De La Cruz Blvd,

Examone Suite 160

Santa Clara, CA 95054

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

6.35 mi away

Schedule Appointment 669-454-6161
Monday: 8:30 am-11:30 am , 1:30 pm-2:30 pm
Tuesday: 8:30 am-11:30 am , 1:30 pm-2:30 pm
Wednesday: 8:30 am-11:30 am , 1:30 pm-2:30 pm
Thursday: 8:30 am-11:30 am , 1:30 pm-2:30 pm
Friday: 8:30 am-11:30 am , 1:30 pm-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - San Jose Willow Street

840 Willow St,

Ste 700

San Jose, CA 95125

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

7.71 mi away

Schedule Appointment 408-314-4861
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 - San Jose DiSalvo Avenue

123 DiSalvo Ave,

Suite 10

San Jose, CA 95128

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

8.16 mi away

Schedule Appointment 408-314-4642
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 - Inside 785 E EL Camino Real Safeway Store - Employer Drug Testing Not Offered

785 E El Camino Real,

Sunnyvale, CA 94087

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

10.73 mi away

Schedule Appointment 408-220-6165
Monday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Tuesday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Wednesday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Thursday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Friday: 6:30 am-11:00 am , 12:00 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - San Jose Graves Avenue - Employer Drug Testing Not Offered

5150 Graves Avenue,

Suite 10-D

San Jose, CA 95129

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

11.79 mi away

Schedule Appointment 408-253-8066
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 - Inside Cupertino Safeway - Employer Drug Testing Not Offered

20620 Homestead Rd,

Cupertino, CA 95014

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

12.06 mi away

Schedule Appointment 408-337-3093
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 - San Jose 2581 Samaritan Drive

2581 Samaritan Drive,

Suite 108

San Jose, CA 95124

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

12.54 mi away

Schedule Appointment 669-245-2578
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: 7:30 am-11:30 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.

12.71 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 - Fremont 2191 Mowry - Employer Drug Testing Not Offered

2191 Mowry Avenue,

Suite 500B

Fremont, CA 94538

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

13.14 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 - San Jose Camden Avenue - Employer Drug Testing Not Offered

6475 Camden Avenue,

Suite 104

San Jose, CA 95120

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

13.19 mi away

Schedule Appointment 408-335-9650
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 - Mountain View South Drive

205 South Dr,

Ste G

Mountain View, CA 94040

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

13.66 mi away

Schedule Appointment 408-202-4085
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 Mountain View Safeway Store - Employer Drug Testing Not Offered

645 San Antonio Rd,

Mountain View, CA 94040

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

15.06 mi away

Schedule Appointment 650-946-3095
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 - Inside Menlo Park Safeway Store - Employer Drug Testing Not Offered

525 El Camino Real,

Menlo Park, CA 94025

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

18.84 mi away

Schedule Appointment 650-687-0177
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 - Livermore East Stanley - Employer Drug Testing Not Offered

1090 E Stanley Blvd,

Livermore, CA 94550

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

18.88 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 - 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.

20.27 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 Dublin Safeway Tassajara Road

4440 Tassajara Rd,

Dublin, CA 94568

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

20.72 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 - Employer Drug Testing Not Offered - Morgan Hill East Main Street

50 East Main Avenue,

Suite B

Morgan Hill, CA 95037

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

21.33 mi away

Schedule Appointment 408-201-3251
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 - 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.

22.19 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 - San Carlos Laurel Street

1100 Laurel Street,

Suite F

San Carlos, CA 94070

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

23.41 mi away

Schedule Appointment 650-593-9279
Monday: 7:00 am-11:00 am , 11:30 am-3:00 pm
Tuesday: 7:00 am-11:00 am , 11:30 am-3:00 pm
Wednesday: 7:00 am-11:00 am , 11:30 am-3:00 pm
Thursday: 7:00 am-11:00 am , 11:30 am-3:00 pm
Friday: 7:00 am-11:00 am , 11:30 am-3:00 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.

24.12 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

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.