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Due to winter storm Hernando, our Patient Service Centers in affected areas may be closed. We ask that patients please double check your appointment status to ensure your designated Patient Service Center is operational. For site-specific information, please use Find a location and enter your zip code.

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Quest Diagnostics

Wallingford Laboratory Facility

3 Sterling Dr

Wallingford

06492

CT

United States

41.484623

-72.795502

(203) 949-5500

Monday: 8:00 to 4:00

Tuesday: 8:00 to 4:00

Wednesday: 8:00 to 4:00

Thursday: 8:00 to 4:00

Friday: 8:00 to 4:00

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. © 2026 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.