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Quest Diagnostics

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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: www.questdiagnostics.com

Address

23441 Madison Street
#300
Torrance, CA 90505

Phone Number

(310) 378-0642

Hours

Monday - Friday
7:00 am- 5:00 pm

Saturday
8:00 am – 12:00 noon

Drug Screen: Monday-Friday 10am - 3pm
Additional staff available

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