Quest Diagnostics

Lab Testing at Quest Diagnostics - Diamond Bar North Diamond Bar - Employer Drug Testing Not Offered

Quest Diagnostics Patient Service Center in Diamond Bar, CA 91765.

Order Lab Tests for Collection at This Location

Browse All Tests

Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

750 N Diamond Bar Blvd Ste 110
Diamond Bar, CA 91765
Los Angeles County

909-282-6817

Hours

Monday	7:00 AM – 12:00 PM
Tuesday	7:00 AM – 12:00 PM
Wednesday	7:00 AM – 12:00 PM
Thursday	7:00 AM – 12:00 PM
Friday	7:00 AM – 12:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

Proactive Work Pomona
502 S Garey Ave, Pomona, CA 91766
3.6 mi
LabCorp San Dimas
1335 Cypress St Ste 101, San Dimas, CA 91773
4.6 mi
LabCorp Pomona
1900 Royalty Dr Ste 230, Pomona, CA 91767
4.6 mi
Quest Diagnostics - San Dimas West Covina Boulevard - Employer Drug Testing Not Offered
1330 W Covina Blvd Ste 205, San Dimas, CA 91773
4.8 mi
Quest Diagnostics - Pomona Bonita Avenue - Employer Drug Testing Not Offered
250 W Bonita Ave Bldg A, Pomona, CA 91767
5.4 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.