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 - Selma Dockery Ave

2256 Dockery Ave,

Ste B

Selma, CA 93662

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

3.27 mi away

Schedule Appointment 559-891-1358
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: Closed
Sunday: Closed
Quest Diagnostics - Reedley North Reed Avenue

789 N Reed Ave,

Reedley, CA 93654

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

11.17 mi away

Schedule Appointment 559-637-9530
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 - Sanger Jensen

2675 Jensen,

Ste B

Sanger, CA 93657

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

12.17 mi away

Schedule Appointment 559-203-2584
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 - Hanford Mall Dr

325 Mall Dr,

Hanford, CA 93230

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

14.8 mi away

Schedule Appointment 559-582-0308
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: Closed
Sunday: Closed
Quest Diagnostics - Fresno North 1st Street - Employer Drug Testing Not Offered

4182 N 1St St,

Ste 103

Fresno, CA 93726

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

18.58 mi away

Schedule Appointment 559-230-0992
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-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Clovis Vons Store - Employer Drug Testing Not Offered

1650 Herndon Ave,

Clovis, CA 93611

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

20.47 mi away

Schedule Appointment 559-299-3157
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 - Clovis Herndon

2187 Herndon Ave,

Clovis, CA 93611

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

20.64 mi away

Schedule Appointment 559-207-4212
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: Closed
Sunday: Closed
Quest Diagnostics - Clovis West Herndon Avenue - Employer Drug Testing Not Offered

275 W Herndon Ave,

Clovis, CA 93612

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

20.85 mi away

Schedule Appointment 559-325-5567
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 - Fresno North Fresno Street - Employer Drug Testing Not Offered

6307 N Fresno Street,

Suite 101

Fresno, CA 93710

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

21.06 mi away

Schedule Appointment 559-417-8086
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 - Fresno North Recreation Avenue - Employer Drug Testing Not Offered

7050 North Recreation Avenue,

Suite 104

Fresno, CA 93720

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

21.07 mi away

Schedule Appointment 559-299-4865
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 - Fresno North Maple Avenue

7075 N. Maple Ave,

Ste 104

Fresno, CA 93720

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

21.18 mi away

Schedule Appointment 559-299-5074
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: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Fresno W Shaw Avenue

3741 W Shaw Ave,

Fresno, CA 93711

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

21.53 mi away

Schedule Appointment 559-276-5648
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 - Visalia South Tamarack Street

131 S Tamarack St,

Ste B

Visalia, CA 93291

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

21.64 mi away

Schedule Appointment 559-738-1961
Monday: 6:00 am-3:30 pm
Tuesday: 6:00 am-3:30 pm
Wednesday: 6:00 am-3:30 pm
Thursday: 6:00 am-3:30 pm
Friday: 6:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Fresno North Palm Avenue - Employer Drug Testing Not Offered

7355 N Palm Ave,

Ste 106

Fresno, CA 93711

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

22.49 mi away

Schedule Appointment 559-650-9000
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 - Fresno N West Avenue - Employer Drug Testing Not Offered

7035 N West Avenue,

Suite 107

Fresno, CA 93711

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

22.57 mi away

Schedule Appointment 559-431-4382
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: Closed
Sunday: Closed
Quest Diagnostics - Visalia Court - Employer Drug Testing Not Offered

1827 S Court St,

Ste D

Visalia, CA 93277

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

24.66 mi away

Schedule Appointment 559-616-0538
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: Closed
Sunday: Closed
Quest Diagnostics - Kerman South Madera

177 S Madera Ave,

Kerman, CA 93630

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

25.41 mi away

Schedule Appointment 559-240-9079
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 - Tulare North Blackstone

919 N Blackstone St,

Tulare, CA 93274

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

27.85 mi away

Schedule Appointment 559-684-1655
Monday: 6:30 am-3:00 pm
Tuesday: 6:30 am-3:00 pm
Wednesday: 6:30 am-3:00 pm
Thursday: 6:30 am-3:00 pm
Friday: 6:30 am-3:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Madera East Almond Avenue

363 East Almond Avenue,

Suite 107

Madera, CA 93637

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

35.12 mi away

Schedule Appointment 559-662-8993
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 - Coalinga 155 S 5th St

155 S 5Th St,

Coalinga, CA 93210

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

46.56 mi away

Schedule Appointment 559-934-1531
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

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.