Quest Diagnostics

Lab Testing at Proactive Work Palmdale

Quest partner location in Palmdale, CA 93551.

Partner Location

This location is part of Quest's partner network. Services and availability may differ from a standard Quest Patient Service Center. Please call 661-274-2000 before visiting to confirm they accept your lab order.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

39251 10th St W
Palmdale, CA 93551
Los Angeles County

661-274-2000

Hours

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

Nearby alternatives

Quest Diagnostics - Palmdale Auto Center Drive - Employer Drug Testing Not Offered
843 Auto Center Dr Ste A, Palmdale, CA 93551
0.3 mi
LabCorp Palmdale
615 W Ave Q Suite B, Palmdale, CA 93551
0.8 mi
Quest Diagnostics - Palmdale 11th Street West - Employer Drug Testing Not Offered
41230 11th St W Ste D, Palmdale, CA 93551
2.4 mi
Sixcess Inc. Drug Testing Services
43535 17th St W Ste 302, Lancaster, CA 93534
5.4 mi
LabCorp Palmdale
38209 47th St E Ste A, Palmdale, CA 93552
5.9 mi

About this location

Quest partner location. 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.