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Quest Diagnostics

Valencia Laboratory Facility

27027 Tourney Rd

Valencia

91355

CA

United States

34.414043

-118.574112

(800) 421-7110

Monday: 9:00 to 5:00

Tuesday: 9:00 to 5:00

Wednesday: 9:00 to 5:00

Thursday: 9:00 to 5:00

Friday: CLOSED

Saturday: CLOSED

Sunday: CLOSED

Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA certified laboratories that provide HIPAA covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2024 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.