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Quest Diagnostics

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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.

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US Facilities & Operations International Facilities & Operations

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ARCpoint Labs of West Los Angeles (Preferred)

2320 S Robertson Blvd,

Ste 201

Los Angeles, CA 90034

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1.56 mi away

310-862-4333
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: Closed
Sunday: Closed
Anzavista Drug & Alcohol Testing (Preferred)

8726 S Sepulveda Blvd,

Ste E

Los Angeles, CA 90045

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4.15 mi away

310-348-1314
Monday: 9:00 am-6:00 pm
Tuesday: 9:00 am-6:00 pm
Wednesday: 9:00 am-6:00 pm
Thursday: 9:00 am-6:00 pm
Friday: 9:00 am-6:00 pm
Saturday: 10:00 am-4:00 pm
Sunday: Closed
CM & Associates Inc (Preferred)

8800 South Sepulveda Blvd, Suite 8,

Westchester, CA 90045

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4.21 mi away

310-417-9002
Monday: 9:00 am-2:30 pm
Tuesday: 9:00 am-2:30 pm
Wednesday: 9:00 am-2:30 pm
Thursday: 9:00 am-2:30 pm
Friday: 9:00 am-2:30 pm
Saturday: Closed
Sunday: Closed
ProActive Work El Segundo (Preferred)

920 N Nash St,

El Segundo, CA 90245

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6.14 mi away

310-321-5500
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
Test On Time, Inc. (Preferred)

1253 Vine St,

Ste 19A

Los Angeles, CA 90038

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6.27 mi away

213-522-3950
Monday: 9:00 am-4:30 pm
Tuesday: 9:00 am-4:30 pm
Wednesday: 9:00 am-4:30 pm
Thursday: 9:00 am-4:30 pm
Friday: 9:00 am-4:30 pm
Saturday: 9:00 am-12:30 pm
Sunday: Closed
Akeso Occ Health - Los Angeles (Preferred)

1400 S Grand Ave,

Ste 703

Los Angeles, CA 90015

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6.85 mi away

323-408-8532
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
ProActive Work Los Angeles (Preferred)

132 S Beaudry Ave,

Los Angeles, CA 90012

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7.8 mi away

213-977-9300
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
Bayside Medical Clinic (Preferred)

2301 W El Segundo Blvd,

Hawthorne, CA 90250

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8.02 mi away

323-757-2118
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: Closed
Sunday: Closed
Stacy Medical Center (Preferred)

4580 Pacific Blvd,

Vernon, CA 90058

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8.95 mi away

323-584-0779
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: 24 hrs
Sunday: 24 hrs
Fastest Labs of Glendale (Preferred)

710 W Broadway,

Glendale, CA 91204

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10.99 mi away

747-528-0796
Monday: 9:00 am-6:00 pm
Tuesday: 9:00 am-6:00 pm
Wednesday: 9:00 am-6:00 pm
Thursday: 9:00 am-6:00 pm
Friday: 9:00 am-6:00 pm
Saturday: 9:00 am-6:00 pm
Sunday: Closed
Fastest Labs of Torrance (Preferred)

18156 Crenshaw Blvd,

Torrance, CA 90504

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11.07 mi away

424-433-5553
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-3:30 pm
Saturday: Closed
Sunday: Closed
ExamOne-Glendale (Preferred)

230 N Maryland Ave,

Ste 107

Glendale, CA 91206

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11.67 mi away

818-246-5500
Monday: 8:00 am-12:00 pm , 1:00 pm-2:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-2:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-2:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-2:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-2:00 pm
Saturday: Closed
Sunday: Closed
Ross Health Care (Preferred)

2476 S Atlantic Blvd,

Commerce, CA 90040

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11.9 mi away

323-780-1650
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: 8:30 am-1:00 pm
Sunday: Closed
New Era Drug Testing LLC (Preferred)

801 S Glenoaks Blvd,

Burbank, CA 91502

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12.08 mi away

818-956-0801
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
Crossroads Drug & Alc - Los Angeles (Preferred)

3412 N Eastern Ave,

Los Angeles, CA 90032

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12.29 mi away

323-352-3050
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: 10:00 am-2:30 pm
Sunday: Closed
Healthline Medical Group (Preferred)

15211 Vanowen St,

Ste 105

Van Nuys, CA 91405

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12.77 mi away

818-997-7711
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: 9:00 am-2:00 pm
Sunday: 9:00 am-2:00 pm
Akeso Occ Health - Commerce (Preferred)

6538 Telegraph Rd,

Commerce, CA 90040

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13.48 mi away

323-726-3212
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: 24 hrs
Sunday: 24 hrs
Akeso Occ Health - Paramount (Preferred)

7300 Alondra Blvd,

Ste 100

Paramount, CA 90723

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14.72 mi away

562-616-1166
Monday: Vary
Tuesday: Vary
Wednesday: Vary
Thursday: Vary
Friday: Vary
Saturday: Vary
Sunday: Vary
ProActive Work Van Nuys (Preferred)

16360 Roscoe Blvd,

Ste 120

Van Nuys, CA 91406

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14.91 mi away

818-578-0125
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
One Stop Fingerprinting & Lab - CA (Preferred)

19201 S Reyes Ave,

Ste R02

Compton, CA 90221

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14.93 mi away

702-827-1525
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: 8:30 am-1:00 pm
Sunday: Closed
AFC Urgent Care - Torrance (Preferred)

24329 Crenshaw Blvd,

Ste D

Torrance, CA 90505

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15.14 mi away

310-868-8100
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: 8:00 am-8:00 pm
Sunday: 8:00 am-8:00 pm
Vincent V. Tran Chiropractic Corporation (Preferred)

940 E MAIN ST,

STE A

Alhambra, CA 91801

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15.62 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
Fastest Labs of Gateway Cities (Preferred)

3331 E Artesia Blvd,

Long Beach, CA 90805

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16.06 mi away

562-470-6219
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
Akeso Occ Health - N Santa Fe Sprgs (Preferred)

11817 Telegraph Rd,

Santa Fe Springs, CA 90670

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17.24 mi away

562-949-9328
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
ARCpoint Labs of Santa Fe Springs (Preferred)

8620 Sorensen Ave,

Ste 4

Santa Fe Springs, CA 90670

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17.99 mi away

562-696-3033
Monday: 8:30 am-5:00 pm
Tuesday: 8:30 am-5:00 pm
Wednesday: 8:30 am-5:00 pm
Thursday: 8:30 am-5:00 pm
Friday: 8:30 am-5:00 pm
Saturday: Closed
Sunday: Closed
ProActive Work Chatsworth (Preferred)

9421 Winnetka Ave,

Chatsworth, CA 91311

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18.15 mi away

747-444-4090
Monday: 8:00 am-6:00 pm
Tuesday: 8:00 am-6:00 pm
Wednesday: 8:00 am-6:00 pm
Thursday: 8:00 am-6:00 pm
Friday: 8:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
Valley Mission Medical (Preferred)

220 N Maclay Ave,

Ste 2

San Fernando, CA 91340

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18.62 mi away

818-837-1355
Monday: 9:30 am-4:00 pm
Tuesday: 9:30 am-4:00 pm
Wednesday: 9:30 am-4:00 pm
Thursday: 9:30 am-4:00 pm
Friday: 9:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
Akeso Occ Health - S Santa Fe Sprgs (Preferred)

13440 Imperial Hwy,

Santa Fe Springs, CA 90670

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19.64 mi away

562-926-3440
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
Akeso Occ Health - La Mirada (Preferred)

15330 Valley View Ave,

Ste 1

La Mirada, CA 90638

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21.17 mi away

562-802-0208
Monday: 6:00 am-12:00 am
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 12:00 am-10:00 pm
Saturday: Closed
Sunday: Closed
AFC Urgent Care - Agoura Hills (Preferred)

5825 Kanan Rd,

Ste B

Agoura Hills, CA 91301

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21.55 mi away

818-483-0775
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: 8:00 am-2:00 pm
Sunday: 8:00 am-2:00 pm
Universal Industrial Care (Preferred)

16025 E Gale Avenue,

Ste B-10

Industry, CA 91745

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23.03 mi away

626-336-6652
Monday: 8:00 am-7:30 pm
Tuesday: 8:00 am-7:30 pm
Wednesday: 8:00 am-7:30 pm
Thursday: 8:00 am-7:30 pm
Friday: 8:00 am-7:30 pm
Saturday: Closed
Sunday: Closed
Crossroads Drug Testing (Preferred)

1755 Huntington Dr,

Ste 102

Duarte, CA 91010

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24.06 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
Xpress Urgent Care Cypress (Preferred)

11741 Valley View St,

Ste A

Cypress, CA 90630

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24.77 mi away

714-947-2660
Monday: 8:00 am-7:00 pm
Tuesday: 8:00 am-7:00 pm
Wednesday: 8:00 am-7:00 pm
Thursday: 8:00 am-7:00 pm
Friday: 8:00 am-7:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 8:00 am-7:00 pm

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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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.