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 - Oceanside Vista - Employer Drug Testing Not Offered

3601 Vista Way,

Ste 104

Oceanside, CA 92056

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

2.82 mi away

Schedule Appointment 760-722-7148
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 - Vista Sycamore - Employer Drug Testing Not Offered

902 Sycamore Ave,

Ste 201

Vista, CA 92081

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

3.38 mi away

Schedule Appointment 442-204-2565
Monday: 7:30 am-11:30 am
Tuesday: 7:30 am-11:30 am
Wednesday: 7:30 am-11:30 am
Thursday: 7:30 am-11:30 am
Friday: 7:30 am-11:30 am
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Encinitas El Camino Real - Employer Drug Testing Not Offered

477 N El Camino Real,

Ste B201

Encinitas, CA 92024

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

9.68 mi away

Schedule Appointment 760-753-0281
Monday: 7:30 am-4:30 pm
Tuesday: 7:30 am-4:30 pm
Wednesday: 7:30 am-4:30 pm
Thursday: 7:30 am-4:30 pm
Friday: 7:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Escondido Valley Parkway

488 E Valley Pkwy,

Suite 314

Escondido, CA 92025

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

10.97 mi away

Schedule Appointment 760-317-8980
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 - Fallbrook East Elder Street - Employer Drug Testing Not Offered

521 E Elder St,

Ste 201

Fallbrook, CA 92028

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

12.63 mi away

Schedule Appointment 442-245-0985
Monday: 7:30 am-11:30 am , 12:30 pm-2:30 pm
Tuesday: 7:30 am-11:30 am , 12:30 pm-2:30 pm
Wednesday: 7:30 am-11:30 am , 12:30 pm-2:30 pm
Thursday: 7:30 am-11:30 am , 12:30 pm-2:30 pm
Friday: 7:30 am-11:30 am , 12:30 pm-2:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Poway Pomerado - Employer Drug Testing Not Offered

15725 Pomerado Rd,

Ste 208

Poway, CA 92064

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

17.38 mi away

Schedule Appointment 619-318-3589
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 - Temecula Parkway - Employer Drug Testing Not Offered

31150 Temecula Parkway,

Ste 203

Temecula, CA 92592

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

20.7 mi away

Schedule Appointment 951-719-1140
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 - Temecula Single Oak- Employer Drug Testing Not Offered

28780 Single Oak Dr,

Ste 275

Temecula, CA 92590

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

21.54 mi away

Schedule Appointment 951-297-8829
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
Quest Diagnostics - San Diego Genesee - Employer Drug Testing Not Offered

9333 Genesee Ave,

Ste 180

San Diego, CA 92121

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

22.37 mi away

Schedule Appointment 858-587-2702
Monday: 7:00 am-3:00 pm
Tuesday: 7:00 am-3:00 pm
Wednesday: 7:00 am-3:00 pm
Thursday: 7:00 am-3:00 pm
Friday: 7:00 am-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Temecula Jefferson - Employer Drug Testing Not Offered

27699 Jefferson Ave,

Ste 109

Temecula, CA 92590

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

22.57 mi away

Schedule Appointment 951-225-2474
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - San Clemente Avenida Vista Hermosa - Employer Drug Testing Not Offered

1300 Avenida Vista Hermosa,

Ste 160

San Clemente, CA 92673

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

25.17 mi away

Schedule Appointment 949-391-0237
Monday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Friday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Murrieta Medical Center - Employer Drug Testing Not Offered

25460 Medical Center Dr,

Ste 102

Murrieta, CA 92562

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

25.21 mi away

Schedule Appointment 951-414-5642
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 - Murrieta Hancock - Employer Drug Testing Not Offered

25405 Hancock Ave,

Ste 102

Murrieta, CA 92562

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

25.25 mi away

Schedule Appointment 951-414-5645
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 - San Clemente Oceanview

675 Camino De Los Mares,

Ste 300

San Clemente, CA 92673

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

27.22 mi away

Schedule Appointment 949-303-0425
Monday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Friday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Santee Mission Gorge

9665 Mission Gorge Rd,

Ste B2

Santee, CA 92071

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

28.83 mi away

Schedule Appointment 442-225-2784
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 - Murrieta Antelope

33050 Antelope Rd,

Ste 204

Murrieta, CA 92563

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

30.99 mi away

Schedule Appointment 951-954-2424
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 - SAN DIEGO-FOURTH AVE - Employer Drug Testing Not Offered

4060 4th Ave,

Ste 125

San Diego, CA 92103

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

31.3 mi away

Schedule Appointment 619-291-4890
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 - La Mesa Fletcher Parkway - Employer Drug Testing Not Offered

8881 Fletcher Pkwy,

Ste 285

La Mesa, CA 91942

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

31.58 mi away

Schedule Appointment 619-589-9211
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 - Dana Point Monarch Bay Plaza - Employer Drug Testing Not Offered

3 Monarch Bay Plz,

Ste 108

Dana Point, CA 92629

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

31.67 mi away

Schedule Appointment 949-397-7645
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 - Lake Elsinore Mission Trail Road

32251 Mission Trl,

Ste G1

Lake Elsinore, CA 92530

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

31.7 mi away

Schedule Appointment 951-471-3231
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
Quest Diagnostics - Laguna Niguel Town Center - Employer Drug Testing Not Offered

30131 Town Center Drive,

Suite 140

Laguna Niguel, CA 92677

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

33.05 mi away

Schedule Appointment 949-371-1950
Monday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Friday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - SAN DIEGO-FIRST AVE- Employer Drug Testing Not Offered

1855 First Avenue,

Ste 200-B

San Diego, CA 92101

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

33.06 mi away

Schedule Appointment 619-236-0081
Monday: 9:00 am-1:00 pm , 1:30 pm-3:00 pm
Tuesday: 9:00 am-1:00 pm , 1:30 pm-2:30 pm
Wednesday: 9:00 am-1:00 pm , 1:30 pm-2:30 pm
Thursday: 9:00 am-1:00 pm , 1:30 pm-2:30 pm
Friday: 9:00 am-1:00 pm , 1:30 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Mission Viejo 26732 Crown Valley Pkwy

26732 Crown Valley Pkwy,

Ste 521

Mission Viejo, CA 92691

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

33.1 mi away

Schedule Appointment 949-364-1490
Monday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Tuesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Wednesday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Thursday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Friday: 7:00 am-11:30 am , 12:30 pm-3:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Mission Viejo 26800 Crown Valley Pkwy

26800 Crown Valley Pkwy,

Ste 480

Mission Viejo, CA 92691

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

33.15 mi away

Schedule Appointment 949-312-0185
Monday: 8:00 am-12:30 pm , 1:30 pm-4:30 pm
Tuesday: 8:00 am-12:30 pm , 1:30 pm-4:30 pm
Wednesday: 8:00 am-12:30 pm , 1:30 pm-4:30 pm
Thursday: 8:00 am-12:30 pm , 1:30 pm-4:30 pm
Friday: 8:00 am-12:30 pm , 1:30 pm-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - El Cajon Jamacha Road - Employer Drug Testing Not Offered

860 Jamacha Rd,

Ste 103

El Cajon, CA 92019

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

33.55 mi away

Schedule Appointment 619-219-9080
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 - Menifee Haun Road - Employer Drug Testing Not Offered

29798 Haun Rd,

Ste 206

Menifee, CA 92586

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

34.24 mi away

Schedule Appointment 951-370-9837
Monday: 5:00 am-4:30 pm
Tuesday: 5:00 am-4:30 pm
Wednesday: 5:00 am-4:30 pm
Thursday: 5:00 am-4:30 pm
Friday: 5:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Rancho Santa Margarita El Paseo - Employer Drug Testing Not Offered

22312 El Paseo,

Ste H

Rancho Santa Margarita, CA 92688

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

35.2 mi away

Schedule Appointment 949-236-0269
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 - Sun City Bradley - Employer Drug Testing Not Offered

28125 Bradley Rd,

Ste 245

Sun City, CA 92586

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

35.84 mi away

Schedule Appointment 951-434-8931
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 - Aliso Viejo Aliso Creek - Employer Drug Testing Not Offered

26671 Aliso Creek Road,

Suite 102

Aliso Viejo, CA 92656

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

35.99 mi away

Schedule Appointment 949-541-1720
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 - National City East 8th Street - Employer Drug Testing Not Offered

2340 E 8th St,

Ste F

National City, CA 91950

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

36.81 mi away

Schedule Appointment 619-479-8463
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 - Laguna Paseo De Valencia

23521 Paseo De Valencia,

Suite 302C

Laguna Hills, CA 92653

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

37.25 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
Quest Diagnostics - Hemet Stetson - Employer Drug Testing Not Offered

3853 W Stetson Ave,

Ste 101

Hemet, CA 92545

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

39.02 mi away

Schedule Appointment 951-282-5064
Monday: 5:30 am-4:00 pm
Tuesday: 5:30 am-4:00 pm
Wednesday: 5:30 am-4:00 pm
Thursday: 5:30 am-4:00 pm
Friday: 5:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Foothill Ranch - Employer Drug Testing Not Offered

26672 Portola Pkwy,

Foothill Ranch, CA 92610

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

39.76 mi away

Schedule Appointment 657-732-2332
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 - Chula Vista 4th Avenue - Employer Drug Testing Not Offered

480 4th Ave,

Ste 101

Chula Vista, CA 91910

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

40.07 mi away

Schedule Appointment 619-425-4833
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Hemet Florida Ave

1850 W Florida Ave,

Hemet, CA 92545

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

40.71 mi away

Schedule Appointment 951-282-9151
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 - Chula Vista Kuhn Drive - Employer Drug Testing Not Offered

841 Kuhn Dr,

Ste 101

Chula Vista, CA 91914

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

40.72 mi away

Schedule Appointment 619-482-9372
Monday: 7:00 am-11:00 am
Tuesday: 7:00 am-11:00 am
Wednesday: 7:00 am-11:00 am
Thursday: 7:00 am-11:00 am
Friday: 7:00 am-11:00 am
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Chula Vista 3rd Avenue - Employer Drug Testing Not Offered

855 3rd Ave,

Ste 2250

Chula Vista, CA 91911

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

40.95 mi away

Schedule Appointment 619-427-6722
Monday: 7:30 am-1:00 pm
Tuesday: 7:30 am-1:00 pm
Wednesday: 7:30 am-1:00 pm
Thursday: 7:30 am-1:00 pm
Friday: 7:30 am-1:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Chula Vista Telegraph Canyon - Employer Drug Testing Not Offered

563 Telegraph Canyon Rd,

Chula Vista, CA 91910

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

41.26 mi away

Schedule Appointment 619-397-0294
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 - Hemet Latham Ave

850 E Latham Ave,

Ste. 203 & 204

Hemet, CA 92543

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

41.31 mi away

Schedule Appointment 951-663-7376
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 - Perris 1688 N Perris Blvd - Employer Drug Testing Not Offered

1688 N Perris Blvd,

Ste H1

Perris, CA 92571

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

41.84 mi away

Schedule Appointment 951-238-9634
Monday: 7:00 am-12:30 pm
Tuesday: 7:00 am-12:30 pm
Wednesday: 7:00 am-12:30 pm
Thursday: 7:00 am-12:30 pm
Friday: 7:00 am-12:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Irvine Laguna Canyon Road - Employer Drug Testing Not Offered

15825 Laguna Canyon Rd,

Suite 108

Irvine, CA 92618

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

41.85 mi away

Schedule Appointment 949-275-7389
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 - Newport Beach Avocado Avenue - Employer Drug Testing Not Offered

1401 Avocado Ave,

Ste 103

Newport Beach, CA 92660

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

43.19 mi away

Schedule Appointment 949-275-7313
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: 8:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Irvine 4950 Barranca Parkway

4950 Barranca Pkwy,

Ste 209

Irvine, CA 92604

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

43.48 mi away

Schedule Appointment 949-246-7192
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 - Irvine 4050 Barranca Parkway - Employer Drug Testing Not Offered

4050 Barranca Pkwy,

Ste 120

Irvine, CA 92604

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

44.26 mi away

Schedule Appointment 949-786-3822
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 - 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.

46.22 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 - Tustin Kensington - Employer Drug Testing Not Offered

15000 Kensington Park Ave,

Ste 190

Tustin, CA 92782

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

46.27 mi away

Schedule Appointment 442-256-1508
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: 8:00 am-12:00 pm
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.

46.29 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 - 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.

47.83 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 - Inside Santa Ana Vons Store

3650 S Bristol St,

.

Santa Ana, CA 92704

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

47.94 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 - Corona Main

2250 S. Main St,

Ste 105

Corona, CA 92882

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

48.32 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
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.

48.4 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 - Santa Ana Tustin Avenue

801 N Tustin Ave,

Ste 102

Santa Ana, CA 92705

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

48.89 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 - Inside Huntington Beach Vons Store-(Located at Landmark Plaza)

8891 Atlanta Ave,

Huntington Beach, CA 92646

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

49.37 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 - Corona W 6th St (308 W. 6th street suite 201)

308 W 6Th St,

Suite 201

Corona, CA 92882

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

49.55 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

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.