Laboratory Hours

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Hours of Operation

  • Monday – Friday
  • 8:00 AM – 5:00 PM
  • Saturday AM – Clinical Pathology and Bacteriology/Mycology operate with limited staff


Observed Holiday Closings

UTVMC Diagnostic Laboratory and Courier Service will be closed on the following dates. Practices utilizing our local courier service can expedite turn-around time for results by calling (865) 974-5774 to request a morning pick-up on the next normal business day.


 Calendar Year 2024

  • Monday, Jan. 1 – New Year’s Day
  • Monday, Jan. 15 – Martin Luther King, Jr. Day
  • Friday, March 29 – Spring Holiday
  • Monday, May 27 – Memorial Day
  • Wednesday, June 19 – Juneteenth Day
  • Thursday, July 4 – Independence Day
  • Monday, Sept. 2 – Labor Day
  • Thursday and Friday, Nov. 28 and 29 – Thanksgiving
  • Monday, Dec. 23 through Friday, Dec. 27 – Winter Holiday (Labs open with limited staff)

In the event of an emergency, please call (865) 974-8387 to request a call back from the laboratory director for the specific specimen in question.