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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

Memphis, TN licensure

Quest Diagnostics TB, LLC
5846 Distribution Dr., Memphis TN 38141

LicensesExpiresLicense/Permit #
CAP09-27-268044548
CLIA10-30-2644D2035207
California01-24-27CDS-00800380
MarylandNon-Expiring1862
New York06-30-278989
Pennsylvania08-15-2632824
Rhode Island12-30-26LCO01261
State04-30-274223 (Clinical Laboratory)
CDC02-20-2720260219-2559

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.