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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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Sonora Quest Laboratories - Gilbert - Val Vista & Willis - Employer Drug Testing Not Offered

3530 S Val Vista Dr,

Ste 206

Gilbert, AZ 85297

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1.8 mi away

480-722-2738
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
Sonora Quest Laboratories - Chandler - Ray Rd and McQueen Rd - Employer Drug Testing Not Offered

1060 E Ray Rd,

Chandler, AZ 85225

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4.66 mi away

480-857-4877
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
Sonora Quest Laboratories - Gilbert - Higley & US-60 - Employer Drug Testing Not Offered

2940 E BANNER GATEWAY DR,

STE 325

GILBERT, AZ 85234

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5.44 mi away

480-543-2460
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
Sonora Quest Laboratories - Mesa - Southern Ave & Gilbert Rd - First Family Physicians - Employer Drug Testing Not Offered

2345 E Southern Ave,

Mesa, AZ 85204

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6.39 mi away

480-550-5131
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
Sonora Quest Laboratories - Chandler - Dobson & Frye - Employer Drug Testing Not Offered

2081 W FRYE RD,

STE 107

CHANDLER, AZ 85224

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7.48 mi away

480-814-8066
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
Sonora Quest Laboratories - Mesa - Guadalupe Rd & Alma School Rd - Employer Drug Testing Not Offered

1225 W Guadalupe Rd,

Mesa, AZ 85202

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7.63 mi away

480-534-5886
Monday: 6:00 am-11:00 am , 12:00 pm-3:00 pm
Tuesday: 6:00 am-11:00 am , 12:00 pm-3:00 pm
Wednesday: 6:00 am-11:00 am , 12:00 pm-3:00 pm
Thursday: 6:00 am-11:00 am , 12:00 pm-3:00 pm
Friday: 6:00 am-11:00 am , 12:00 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Sonora Quest Laboratories - Sun Lakes - Alma School & Riggs - Employer Drug Testing Not Offered

10450 E RIGGS RD,

STE 109

SUN LAKES, AZ 85248

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8.81 mi away

480-895-0813
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
Sonora Quest Laboratories - Mesa - Crismon and Southern - Employer Drug Testing Not Offered

10238 E HAMPTON AVE,

STE 101

MESA, AZ 85209

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8.93 mi away

480-354-7507
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
Sonora Quest Laboratories - Mesa - Recker & Brown - Employer Drug Testing Not Offered

6106 E BROWN RD,

STE 101

MESA, AZ 85205

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9.29 mi away

480-981-4036
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
Sonora Quest Laboratories - Tempe - Country Club Way&Southern - Employer Drug Testing Not Offered

2000 E SOUTHERN AVE,

STE 101

TEMPE, AZ 85282

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10.53 mi away

480-839-6638
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
Sonora Quest Laboratories - Queen Creek - Gantzel & Combs - Employer Drug Testing Not Offered

37100 N Gantzel Rd,

Ste 112

San Tan Valley, AZ 85140

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11.09 mi away

480-987-1545
Monday: 6:00 am-12:00 pm , 1:00 pm-3:00 pm
Tuesday: 6:00 am-12:00 pm , 1:00 pm-3:00 pm
Wednesday: 6:00 am-12:00 pm , 1:00 pm-3:00 pm
Thursday: 6:00 am-12:00 pm , 1:00 pm-3:00 pm
Friday: 6:00 am-12:00 pm , 1:00 pm-3:00 pm
Saturday: Closed
Sunday: Closed
Sonora Quest Laboratories - Ahwatukee - Employer Drug Testing Not Offered

15810 S 45Th St,

Ste 101

Phoenix, AZ 85048

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13.29 mi away

480-704-0053
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
Sonora Quest Laboratories - Gold Canyon PSC - Employer Drug Testing Not Offered

6410 S Kings Ranch Rd,

Ste 3

Gold Canyon, AZ 85118

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15.4 mi away

480-671-0412
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
Sonora Quest Laboratories - Scottsdale - Scottsdale Rd & Chaparral - Employer Drug Testing Not Offered

5111 N Scottsdale Rd,

Ste 160

Scottsdale, AZ 85250

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17.35 mi away

480-825-7753
Monday: 7:00 pm-5:00 pm
Tuesday: 7:00 pm-5:00 pm
Wednesday: 7:00 pm-5:00 pm
Thursday: 7:00 pm-5:00 pm
Friday: 7:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Sonora Quest Laboratories - Scottsdale-92nd & Ironwood Square - Employer Drug Testing Not Offered

9445 E IRONWOOD SQUARE DR,

STE 110

SCOTTSDALE, AZ 85258

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20.2 mi away

480-391-3686
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
Sonora Quest Laboratories - 1010 McDowell Medical - Employer Drug Testing Not Offered

1010 E Mcdowell Rd,

Ste 201

Phoenix, AZ 85006

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20.34 mi away

480-361-2823
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
Sonora Quest Laboratories - Sonora Quest Inside Camelback Rd Safeway Store - Employer Drug Testing Not Offered

3132 E Camelback Rd,

Phoenix, AZ 85016

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20.42 mi away

602-281-6290
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
Sonora Quest Laboratories - Phoenix - 27th Ave & Baseline - Employer Drug Testing Not Offered

2640 W BASELINE RD,

STE 115

PHOENIX, AZ 85041

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20.66 mi away

602-254-7003
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
Sonora Quest Laboratories - Fountain Hill-Saguaro & Palisades - Employer Drug Testing Not Offered

13620 N SAGUARO BLVD,

STE 150

FOUNTAIN HILLS, AZ 85268

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20.92 mi away

480-837-2152
Monday: 6:00 am-10:30 am , 11:15 am-2:00 pm
Tuesday: 6:00 am-10:30 am , 11:15 am-2:00 pm
Wednesday: 6:00 am-10:30 am , 11:15 am-2:00 pm
Thursday: 6:00 am-10:30 am , 11:15 am-2:00 pm
Friday: 6:00 am-10:30 am , 11:15 am-2:00 pm
Saturday: Closed
Sunday: Closed
Sonora Quest Laboratories - Florence - Hunt Hwy - Inside Safeway - Employer Drug Testing Not Offered

3325 N Hunt Hwy,

Florence, AZ 85132

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21.54 mi away

520-723-6538
Monday: 6:30 am-10:30 am , 11:30 am-2:30 pm
Tuesday: 6:30 am-10:30 am , 11:30 am-2:30 pm
Wednesday: 6:30 am-10:30 am , 11:30 am-2:30 pm
Thursday: 6:30 am-10:30 am , 11:30 am-2:30 pm
Friday: 6:30 am-10:30 am , 11:30 am-2:30 pm
Saturday: Closed
Sunday: Closed
Sonora Quest Laboratories - Maricopa-John Wayne Pkwy&Smith Enke - Employer Drug Testing Not Offered

21300 N John Wayne Pkwy,

Ste 106

Maricopa, AZ 85139

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22.95 mi away

520-568-0627
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
Sonora Quest Laboratories - Pueblo Family Physician - Employer Drug Testing Not Offered

4350 N 19TH AVE,

STE 5

PHOENIX, AZ 85015

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23.45 mi away

602-277-5457
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
Sonora Quest Laboratories - Phoenix - Camelback & 19th Ave - Employer Drug Testing Not Offered

2001 W Camelback Rd,

Ste 150

Phoenix, AZ 85015

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23.91 mi away

602-242-3772
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

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