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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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Akeso Occ Health - Oceanside (Preferred)

3156 Vista Way,

Ste 100

Oceanside, CA 92056

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2.39 mi away

760-681-5222
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: 24 hrs
Sunday: 24 hrs
Drug Testing Network, Inc. (Preferred)

969 S Santa Fe Ave,

Ste D

Vista, CA 92083

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2.9 mi away

760-940-2015
Monday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 8:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Akeso Occ Health - Vista (Preferred)

2365 S Melrose Dr,

Vista, CA 92081

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4.53 mi away

760-571-5910
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
Sharp Rees-Stealy Rancho Bernardo (Preferred)

16899 W Bernardo Dr,

San Diego, CA 92127

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16.5 mi away

858-521-2350
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Sharp Rees-Stealy Sorrento Mesa (Preferred)

10243 Genetic Center Dr,

San Diego, CA 92121

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21.1 mi away

858-526-6150
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
A Plus Urgent Care - Kalmia St (Preferred)

41880 Kalmia St,

Ste 100

Murrieta, CA 92562

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24.88 mi away

951-696-7587
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: 9:00 am-4:00 pm
Sunday: 9:00 am-4:00 pm
E&J Medical Services - San Diego - Ste 142 (Preferred)

8775 Aero Dr,

Ste 142

San Diego, CA 92123

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28.16 mi away

714-657-6487
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
Sharp Rees-Stealy Genesee (Preferred)

2020 Genesee Ave,

San Diego, CA 92123

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29.1 mi away

858-616-8400
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
RCDA Testing - San Diego (Preferred)

4410 Glacier Ave,

Ste 101

San Diego, CA 92120

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30.12 mi away

619-310-5481
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: Closed
Sunday: Closed
ADAT Inc (Preferred)

2667 Camino Del Rio S,

Ste 100H

San Diego, CA 92108

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30.88 mi away

619-295-9284
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
AFC Urgent Care - Ladera Ranch (Preferred)

27522 Antonio Pkwy,

Ste P3

Ladera Ranch, CA 92694

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30.96 mi away

949-207-3786
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
ARCpoint Labs of San Diego (Preferred)

3434 Midway Dr,

Ste 1004

San Diego, CA 92110

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31.33 mi away

619-963-2105
Monday: 8:30 am-4:00 pm
Tuesday: 8:30 am-4:00 pm
Wednesday: 8:30 am-4:00 pm
Thursday: 8:30 am-4:00 pm
Friday: 8:30 am-4:00 pm
Saturday: 9:00 am-1:00 pm
Sunday: Closed
Omega Compliance Solutions LLC (Preferred)

1610 Pioneer Way,

El Cajon, CA 92020

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31.41 mi away

619-312-1545
Monday: 9:00 am-3:30 pm
Tuesday: 9:00 am-3:30 pm
Wednesday: 9:00 am-3:30 pm
Thursday: 9:00 am-3:30 pm
Friday: 9:00 am-3:30 pm
Saturday: Closed
Sunday: Closed
Fastest Labs of El Cajon (Preferred)

700 N Johnson Ave,

Ste G

El Cajon, CA 92020

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32.03 mi away

619-938-4422
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
Sharp Rees-Stealy La Mesa (Preferred)

5525 Grossmont Center Dr,

Ste 601

La Mesa, CA 91942

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32.62 mi away

619-644-6600
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Sharp Rees-Stealy Downtown (Preferred)

300 Fir St,

San Diego, CA 92101

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33.49 mi away

619-446-1524
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Akeso Occ Health - Downtown San Diego (Preferred)

1620 5Th Ave,

Ste 200

San Diego, CA 92101

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33.73 mi away

619-810-8822
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
Performance Health MedGrp (Preferred)

25431 Cabot Rd,

Ste 118

Laguna Hills, CA 92653

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33.96 mi away

949-362-8877
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: Closed
Sunday: Closed
Quest Diagnostics - Laguna Paseo De Valencia

23521 Paseo De Valencia,

Suite 302C

Laguna Hills, CA 92653

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36.25 mi away

Schedule Appointment 949-315-9674
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Akeso Occ Health - National City (Preferred)

444 W 8Th St,

National City, CA 91950

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37.54 mi away

619-474-8666
Monday: 6:30 am-6:00 pm
Tuesday: 6:30 am-6:00 pm
Wednesday: 6:30 am-6:00 pm
Thursday: 6:30 am-6:00 pm
Friday: 6:30 am-6:00 pm
Saturday: 9:00 am-2:00 pm
Sunday: Closed
Akeso Occ Health - Chula Vista (Preferred)

1510 Sweetwater Rd,

Ste B

National City, CA 91950

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38.86 mi away

619-552-2870
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
Sharp Rees-Stealy Chula Vista (Preferred)

525 Third Ave,

Second Floor

Chula Vista, CA 91910

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40.72 mi away

619-585-4050
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Sand Canyon Urgent Care (Preferred)

15775 Laguna Canyon Rd,

Ste 100

Irvine, CA 92618

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40.87 mi away

949-417-0272
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
DNA Services Unlimited (Preferred)

910 N State St,

Ste A2

Hemet, CA 92543

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42.23 mi away

800-215-9948
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: Closed
Sunday: Closed
RCDA Testing (Preferred)

319 Palomar St,

Chula Vista, CA 91911

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42.68 mi away

619-500-5303
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
Newport Urgent Care (Preferred)

1000 Bristol St N,

Ste 1B

Newport Beach, CA 92660

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44.11 mi away

949-752-6300
Monday: 8:00 am-9:00 pm
Tuesday: 8:00 am-9:00 pm
Wednesday: 8:00 am-9:00 pm
Thursday: 8:00 am-9:00 pm
Friday: 8:00 am-9:00 pm
Saturday: 8:00 am-6:00 pm
Sunday: 8:00 am-6:00 pm
Xpress Urgent Care Costa Mesa (Preferred)

131 E 17th St,

Costa Mesa, CA 92627

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45.18 mi away

949-631-8300
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
Pacific Medical Clinic (Preferred)

1534 E Warner Ave,

Ste A

Santa Ana, CA 92705

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46.4 mi away

714-557-5599
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
Edinger Urgent Care (Preferred)

1530 E Edinger Ave,

Ste 1

Santa Ana, CA 92705

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47.0 mi away

714-442-0600
Monday: 24 hrs
Tuesday: 24 hrs
Wednesday: 24 hrs
Thursday: 24 hrs
Friday: 24 hrs
Saturday: 24 hrs
Sunday: 24 hrs
Quest Diagnostics - Corona Main

2250 S Main St,

Ste 105

Corona, CA 92882

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47.67 mi away

Schedule Appointment 951-415-4195
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
OHS Health and Safety Svcs, Inc. (Preferred)

3303 Harbor Blvd,

Bldg. G-2

Costa Mesa, CA 92626

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47.89 mi away

949-764-9301
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Xpress Urgent Care Tustin (Preferred)

17612 17Th St,

Ste 101

Tustin, CA 92780

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48.01 mi away

714-243-5450
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-6:00 pm
Tramites De California (Preferred)

2330 Enrico Fermi Dr,

Ste F

San Diego, CA 92154

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48.48 mi away

619-671-7844
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
Quest Diagnostics - Corona W 6th St (308 W. 6th street suite 201)

308 W 6Th St,

Suite 201

Corona, CA 92882

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48.9 mi away

Schedule Appointment 951-415-5610
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Corrective Solutions - Santa Ana (Preferred)

901 W Civic Center Dr,

Ste 230

Santa Ana, CA 92703

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49.31 mi away

844-731-5083
Monday: 6:00 am-8:00 pm
Tuesday: 6:00 am-8:00 pm
Wednesday: 6:00 am-8:00 pm
Thursday: 6:00 am-8:00 pm
Friday: 6:00 am-8:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
COMP - Corona (Preferred)

1690 W 6Th St,

Ste K

Corona, CA 92882

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49.63 mi away

951-736-9500
Monday: 8:00 am-2:00 pm
Tuesday: 8:00 am-2:00 pm
Wednesday: 8:00 am-2:00 pm
Thursday: 8:00 am-2:00 pm
Friday: 8:00 am-2:00 pm
Saturday: Closed
Sunday: Closed
COMP - Moreno Valley (Preferred)

13800 HEACOCK ST,

STE C134

Moreno Valley, CA 92553

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49.74 mi away

951-656-6009
Monday: 8:00 am-2:00 pm
Tuesday: 8:00 am-2:00 pm
Wednesday: 8:00 am-2:00 pm
Thursday: 8:00 am-2:00 pm
Friday: 8:00 am-2:00 pm
Saturday: Closed
Sunday: Closed

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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.