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 - Huntington Beach 17742 Beach-(Located on Huntington Beach Hospital Campus)

17742 Beach Blvd,

Ste 228

Huntington Beach, CA 92647

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

1.5 mi away

Schedule Appointment 714-596-2434
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 - Huntington Beach Main Street-(Located in 2nd Medical building behind 76 gas station)

18800 Main St,

Ste 206

Huntington Beach, CA 92648

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

2.37 mi away

Schedule Appointment 714-375-1957
Monday: 5:00 am-1:30 pm
Tuesday: 5:00 am-1:30 pm
Wednesday: 5:00 am-1:30 pm
Thursday: 5:00 am-1:30 pm
Friday: 5:00 am-1:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Westminster Brookhurst - Employer Drug Testing Not Offered

15355 Brookhurst Street,

Suite 102-108

Westminster, CA 92683

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

2.88 mi away

Schedule Appointment 714-418-0035
Monday: 5:00 am-2:00 pm
Tuesday: 5:00 am-2:00 pm
Wednesday: 5:00 am-2:00 pm
Thursday: 5:00 am-2:00 pm
Friday: 5:00 am-2:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Huntington Beach Beach Boulevard-(Located in Albertson Parking Lot)

19582 Beach Blvd,

Ste 300

Huntington Beach, CA 92648

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

3.14 mi away

Schedule Appointment 714-964-8701
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: Closed
Sunday: Closed
Quest Diagnostics - Fountain Valley 18785 Brookhurst

18785 Brookhurst Street,

Suite 103

Fountain Valley, CA 92708

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

3.48 mi away

Schedule Appointment 714-274-4064
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Fountain Valley Warner Avenue - Employer Drug Testing Not Offered

11180 E Warner Ave,

Ste 159

Fountain Valley, CA 92708

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

3.82 mi away

Schedule Appointment 714-556-2774
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 - Inside Huntington Beach Vons Store-(Located at Landmark Plaza)

8891 Atlanta Ave,

Huntington Beach, CA 92646

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

4.7 mi away

Schedule Appointment 714-465-1608
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 - Seal Beach Westminster - Employer Drug Testing Not Offered

2928 Westminster Ave,

Seal Beach, CA 90740

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

4.75 mi away

Schedule Appointment 562-430-4960
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Costa Mesa Baker Street - Employer Drug Testing Not Offered

1190 Baker St,

Ste 104

Costa Mesa, CA 92626

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

5.91 mi away

Schedule Appointment 949-205-6675
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 - Garden Grove Garden Grove

12665 Garden Grove Blvd,

Ste 714

Garden Grove, CA 92843

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

6.15 mi away

Schedule Appointment 714-638-5833
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: Closed
Sunday: Closed
Quest Diagnostics - Santa Ana Hemlock Way - Employer Drug Testing Not Offered

1220 Hemlock Way,

Ste 101

Santa Ana, CA 92707

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

6.44 mi away

Schedule Appointment 714-483-1425
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: Closed
Sunday: Closed
Quest Diagnostics - Inside Santa Ana Vons Store

3650 S Bristol St,

.

Santa Ana, CA 92704

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

6.45 mi away

Schedule Appointment 866-697-8378
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 - Los Alamitos Cherry Street - Employer Drug Testing Not Offered

10861 Cherry St,

Ste 201

Los Alamitos, CA 90720

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

6.63 mi away

Schedule Appointment 562-799-6028
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 - Anaheim Ball

2229 W. Ball Road,

Suite C

Anaheim, CA 92804

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

7.06 mi away

Schedule Appointment 714-780-0124
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 - Costa Mesa Newport Boulevard - Employer Drug Testing Not Offered

1640 Newport Blvd,

Ste 310

Costa Mesa, CA 92627

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

7.49 mi away

Schedule Appointment 949-205-6520
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 - Newport Beach Placentia Avenue - Employer Drug Testing Not Offered

355 Placentia Ave,

Ste 204

Newport Beach, CA 92663

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

7.64 mi away

Schedule Appointment 949-205-5529
Monday: 6:00 am-2:30 pm
Tuesday: 6:00 am-2:30 pm
Wednesday: 6:00 am-2:30 pm
Thursday: 6:00 am-2:30 pm
Friday: 6:00 am-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Orange 1140 La Veta - Employer Drug Testing Not Offered

1140 W La Veta Ave,

Ste 570

Orange, CA 92868

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

8.42 mi away

Schedule Appointment 714-550-6318
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 - Orange South Main St - Employer Drug Testing Not Offered

230 S Main St,

Ste 220

Orange, CA 92868

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

8.49 mi away

Schedule Appointment 714-634-2052
Monday: 5:00 am-3:00 pm
Tuesday: 5:00 am-3:00 pm
Wednesday: 5:00 am-3:00 pm
Thursday: 5:00 am-3:00 pm
Friday: 5:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Orange 1010 West La Veta

1010 W La Veta Ave,

Ste 140

Orange, CA 92868

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

8.51 mi away

Schedule Appointment 714-953-2926
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: 7:00 am-1:00 pm
Sunday: Closed
Quest Diagnostics - La Palma 5418 La Palma Ave - Employer Drug Testing Not Offered

5418 La Palma Ave,

La Palma, CA 90623

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

8.76 mi away

Schedule Appointment 562-215-5703
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 - Long Beach Termino - Employer Drug Testing Not Offered

1760 Termino Ave,

Ste 200

Long Beach, CA 90804

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

8.78 mi away

Schedule Appointment 562-597-5231
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 - Santa Ana Tustin Avenue

801 N Tustin Ave,

Ste 102

Santa Ana, CA 92705

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

9.34 mi away

Schedule Appointment 657-401-7905
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: Closed
Sunday: Closed
Quest Diagnostics - Long Beach Woodruff Avenue - Employer Drug Testing Not Offered

3816 Woodruff Ave,

Ste 306

Long Beach, CA 90808

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

9.39 mi away

Schedule Appointment 562-335-1601
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 - Anaheim La Palma - Employer Drug Testing Not Offered

1120 W La Palma Ave,

Ste 7

Anaheim, CA 92801

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

9.44 mi away

Schedule Appointment 657-276-5643
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

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.