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Holiday schedule

Quest Diagnostics Patient Service Centers will be closed on Monday, September 7th, 2026 in observance of the Labor Day Holiday.  Have a healthy, happy holiday.

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Quest Diagnostics

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LOCATION INFORMATION

Av. Ramón Rayón No. 169 Col. Zaragoza
, C.P. 32570
+52 (656) 639-6668

Making a Difference Every Single Day

3M

Tests are performed annually across the nation

2,563

We have locations across the United States

3,000+

Tests available for all kinds of conditions and specialties

491

We serve many different organizations and industries

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.