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

Dr. Mike's Walk In Clinic (Preferred)

15791 Bear Valley Rd,

Hesperia, CA 92345

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

18.08 mi away

760-949-1231
Monday: 8:00 am-3:30 pm
Tuesday: 8:00 am-3:30 pm
Wednesday: 8:00 am-3:30 pm
Thursday: 8:00 am-3:30 pm
Friday: 8:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Desert Valley Medical Group (Preferred)

12401 HESPERIA RD,

STE 9

VICTORVILLE, CA 92395

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

18.74 mi away

760-245-2474
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
Doctor Mike's Walk In Clinic - Barstow (Preferred)

716 E Main St,

Barstow, CA 92311

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

31.76 mi away

760-256-6426
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 10:00 am-5:00 pm
Sunday: Closed
ARCpoint Labs of Lancaster (Preferred)

43823 10Th St W,

Lancaster, CA 93534

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

32.3 mi away

661-945-1011
Monday: 10:00 am-1:30 pm
Tuesday: 10:00 am-1:30 pm
Wednesday: 10:00 am-1:30 pm
Thursday: 10:00 am-1:30 pm
Friday: 10:00 am-1:30 pm
Saturday: Closed
Sunday: Closed
ProActive Work Palmdale (Preferred)

39251 10Th St W,

Palmdale, CA 93551

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

32.69 mi away

661-274-2000
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
Sixcess Inc. Drug Testing Services (Preferred)

43535 17th Street W #302,

Lancaster, CA 93534

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

32.98 mi away

661-951-0444
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
Carbon Health - Rancho Cucamonga (Preferred)

7831 Monticello Ave,

Ste 1102

Rancho Cucamonga, CA 91739

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

38.6 mi away

909-850-4453
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
Arrow Occupational Medicine Center (Preferred)

10837 Laurel St,

Ste 206

Rancho Cucamonga, CA 91730

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

39.1 mi away

909-297-5070
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
Quest Diagnostics - Upland Foothill

1399 E Foothill Blvd,

Ste B

Upland, CA 91786

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

39.12 mi away

Schedule Appointment 909-946-9405
Monday: 5:00 am-4:00 pm
Tuesday: 5:00 am-4:00 pm
Wednesday: 5:00 am-4:00 pm
Thursday: 5:00 am-4:00 pm
Friday: 5:00 am-4:00 pm
Saturday: 7:00 am-11:00 am
Sunday: Closed
ExamOne - Riverside (Preferred)

9220 Haven Ave,

Ste 250

Rancho Cucamonga, CA 91730

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

40.4 mi away

855-570-3926
Monday: 9:00 am-3:00 pm
Tuesday: 9:00 am-3:00 pm
Wednesday: 9:00 am-3:00 pm
Thursday: 9:00 am-3:00 pm
Friday: 9:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
COMP - Ontario (Preferred)

59 S Milliken Ave,

Ste 100

Ontario, CA 91761

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

41.95 mi away

909-605-8888
Monday: 9:00 am-5:30 pm
Tuesday: 9:00 am-5:30 pm
Wednesday: 9:00 am-5:30 pm
Thursday: 9:00 am-5:30 pm
Friday: 9:00 am-5:30 pm
Saturday: 9:00 am-5:30 pm
Sunday: 9:00 am-5:30 pm
Ontario Testing Center, Inc (Preferred)

402 S Milliken Ave,

Ste E2

Ontario, CA 91761

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

42.19 mi away

909-937-3955
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-12:00 pm
Sunday: Closed
Crossroads Drug Testing (Preferred)

1755 Huntington Dr,

Ste 102

Duarte, CA 91010

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

43.09 mi away

626-531-6335
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
Healthpointe - Colton (Preferred)

290 N 10Th St,

Ste 100

Colton, CA 92324

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

43.24 mi away

909-264-2500
Monday: Vary
Tuesday: Vary
Wednesday: Vary
Thursday: Vary
Friday: Vary
Saturday: Vary
Sunday: Vary
ProActive Work Ontario (Preferred)

1801 Excise Ave,

Ste 108

Ontario, CA 91761

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

43.47 mi away

909-390-3400
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
DOT Exam Professionals (Preferred)

1894 Commercenter W,

Ste 106

San Bernardino, CA 92408

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

43.73 mi away

909-333-7448
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
ProActive Work Pomona (Preferred)

502 S Garey Ave,

Pomona, CA 91766

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

43.92 mi away

909-620-8887
Monday: 8:00 am-11:30 am , 1:30 pm-5:00 pm
Tuesday: 8:00 am-11:30 am , 1:30 pm-5:00 pm
Wednesday: 8:00 am-11:30 am , 1:30 pm-5:00 pm
Thursday: 8:00 am-11:30 am , 1:30 pm-5:00 pm
Friday: 8:00 am-11:30 am , 1:30 pm-5:00 pm
Saturday: Closed
Sunday: Closed
COMP - San Bernardino (Preferred)

295 E. Caroline St.,

Suite D1

San Bernardino, CA 92408

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

44.26 mi away

909-723-1161
Monday: 9:00 am-5:30 pm
Tuesday: 9:00 am-5:30 pm
Wednesday: 9:00 am-5:30 pm
Thursday: 9:00 am-5:30 pm
Friday: 9:00 am-5:30 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Chino (Preferred)

11971 Central Ave,

Ste B

Chino, CA 91710

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

44.53 mi away

909-757-8631
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: 10:00 am-4:00 pm
Quest Diagnostics - Chino Grand Ave

4028 Grand Ave,

Ste B

Chino, CA 91710

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

47.26 mi away

Schedule Appointment 909-548-3485
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
Carbon Health - Eastvale (Preferred)

14117 Limonite Ave,

Bldg 2 Ste 300

Eastvale, CA 92880

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

48.06 mi away

951-462-2758
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-4:00 pm
Sunday: 9:00 am-4:00 pm
Carbon Health - Pasadena (Preferred)

600 E Colorado Blvd,

Ste 120

Pasadena, CA 91101

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

48.18 mi away

626-737-7358
Monday: 9:00 am-1:00 pm
Tuesday: 9:00 am-1:00 pm
Wednesday: 9:00 am-1:00 pm
Thursday: 9:00 am-1:00 pm
Friday: 9:00 am-1:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: 9:00 am-1:00 pm
Carbon Health - Chino Hills (Preferred)

15840 Soquel Canyon Pkwy,

Chino Hills, CA 91709

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

49.43 mi away

909-850-4359
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: 10:00 am-4:00 pm
Vincent V. Tran Chiropractic Corporation (Preferred)

940 E Main St Ste A,

Alhambra, CA 91801

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

49.93 mi away

626-289-9957
Monday: 9:00 am-12:45 pm , 2:00 pm-12:00 pm
Tuesday: 9:00 am-12:45 pm , 2:00 pm-12:00 pm
Wednesday: 9:00 am-12:45 pm , 2:00 pm-12:00 pm
Thursday: 9:00 am-12:45 pm , 2:00 pm-12:00 pm
Friday: 9:00 am-12:45 pm , 2:00 pm-12:00 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.