1031 Sanguinetti Rd,
Ste B
Sonora, CA 95370
Get Directions
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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1.86 mi away
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
31.94 mi away
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
32.78 mi away
Monday:
7:30 am-11:00 am , 12:00 pm-2:30 pm
Tuesday:
7:30 am-11:00 am , 12:00 pm-2:30 pm
Wednesday:
7:30 am-11:00 am , 12:00 pm-2:30 pm
Thursday:
7:30 am-11:00 am , 12:00 pm-2:30 pm
Friday:
7:30 am-11:00 am , 12:00 pm-2:30 pm
Saturday:
Closed
Sunday:
Closed
Quest Diagnostics - Inside Jackson Safeway Store - Employer Drug Testing Not Offered
12110 Industry Blvd,
Jackson, CA 95642
Get Directions35.41 mi away
Monday:
8:00 am-11:30 am , 12:30 pm-5:00 pm
Tuesday:
8:00 am-11:30 am , 12:30 pm-5:00 pm
Wednesday:
8:00 am-11:30 am , 12:30 pm-5:00 pm
Thursday:
8:00 am-11:30 am , 12:30 pm-5:00 pm
Friday:
8:00 am-11:30 am , 12:30 pm-5:00 pm
Saturday:
Closed
Sunday:
Closed
Quest Diagnostics - Mariposa Highway 49
5300 Highway 49 N,
Mariposa, CA 95338
Get Directions39.56 mi away
Monday:
7:00 am-11:30 am , 12:30 pm-4:00 pm
Tuesday:
7:00 am-11:30 am , 12:30 pm-4:00 pm
Wednesday:
7:00 am-11:30 am , 12:30 pm-4:00 pm
Thursday:
7:00 am-11:30 am , 12:30 pm-4:00 pm
Friday:
7:00 am-11:30 am , 12:30 pm-4:00 pm
Saturday:
Closed
Sunday:
Closed
39.77 mi away
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
41.3 mi away
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:
6:30 am-12:00 pm
Sunday:
Closed
42.23 mi away
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:
7:00 am-12:00 pm
Sunday:
Closed
42.25 mi away
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:
7:00 am-11:00 am
Sunday:
Closed
42.74 mi away
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
42.84 mi away
Monday:
6:30 am-2:30 pm
Tuesday:
6:30 am-2:30 pm
Wednesday:
6:30 am-2:30 pm
Thursday:
6:30 am-2:30 pm
Friday:
6:30 am-2:30 pm
Saturday:
Closed
Sunday:
Closed
Quest Diagnostics - Modesto Pelandale Ave
3525 Pelandale Ave,
Modesto, CA 95356
Get Directions43.09 mi away
Monday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Tuesday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Wednesday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Thursday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Friday:
7:30 am-11:30 am , 12:30 pm-4:00 pm
Saturday:
Closed
Sunday:
Closed
46.73 mi away
Monday:
5:30 am-4:30 pm
Tuesday:
5:30 am-4:30 pm
Wednesday:
5:30 am-4:30 pm
Thursday:
5:30 am-4:30 pm
Friday:
5:30 am-4:30 pm
Saturday:
7:00 am-12:00 pm
Sunday:
Closed
Quest Diagnostics - Manteca East Commerce Avenue
293 East Commerce Ave,
Manteca, CA 95336
Get Directions47.16 mi away
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:
6:30 am-10:30 am
Sunday:
Closed
47.25 mi away
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
47.48 mi away
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
49.0 mi away
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 - Merced West Childs Avenue - Employer Drug Testing Not Offered
857 W Childs Ave,
Merced, CA 95341
Get Directions49.49 mi away
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
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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. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.