Quest Diagnostics


1629 W Avenue J, Ste 102
Lancaster, CA 93534
M-F 6am-3pm, Sa 8am-12pm, Su Closed (Schedule GTTs/Earlier hours by appointment only/Saturday by appointment only)

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: 
8:00 am – 12:00 pm
Sunday:  Closed

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