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Holiday schedule

Quest Diagnostics Patient Service Centers will have modified hours during the holiday season.

  • Closing early at 12:00pm on December 31, 2025
  • Closed on January 1, 2026


Have a healthy, happy holiday!

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Houston, TX licensure

Quest Diagnostics Clinical Laboratories
5850 Rogerdale Road, Houston, TX 77072

Licenses Expires License/Permit #
CAP 09-22-26 1927501
CLIA 02-27-27 45D0660150

State laboratory licensure is not required in the state of Texas.