Quest Diagnostics

Lab Testing at Quest Diagnostics - Antioch Lone Tree Way - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Antioch, CA 94531.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

4049 Lone Tree Way Suite F
Antioch, CA 94531
Contra Costa County

925-477-0412

Hours

Monday	7:30 AM – 11:30, 12:30
Tuesday	7:30 AM – 11:30, 12:30
Wednesday	7:30 AM – 11:30, 12:30
Thursday	7:30 AM – 11:30, 12:30
Friday	7:30 AM – 11:30, 12:30
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Antioch
4045 Lone Tree Way Ste B, Antioch, CA 94531
0.1 mi
Quest Diagnostics - Pittsburg Gladstone Drive - Employer Drug Testing Not Offered
2250 Gladstone Dr Ste 5, Pittsburg, CA 94565
4.3 mi
LabCorp Brentwood
2400 Balfour Rd Ste 100, Brentwood, CA 94513
4.6 mi
Quest Diagnostics - Brentwood Central Boulevard
1181 Central Blvd Ste C, Brentwood, CA 94513
6 mi
LabCorp Concord
5161 Clayton Rd Ste H, Concord, CA 94521
9.2 mi

About this location

Quest Diagnostics Patient Service Center. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.