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Quest Diagnostics

Client Services: (866) 697-8378
Courier/STAT: (866) 697-8378*
*Option 1 then option 6

To find the nearest Quest patient service centers by zip code:


520 N. Prospect Ave.
Redondo Beach, CA 90277

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Phone Number

(310) 376-4830


Monday - Friday
8:00 am- 12:30pm
1:30 pm – 4pm

Drug Screen: M-F 10:00 am- 12:00pm

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