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 2025
- Wednesday, Jan. 1 – New Year’s Day
- Monday, Jan. 20 – Martin Luther King, Jr. Day
- Friday, April 18 – Spring Holiday
- Monday, May 26 – Memorial Day
- Thursday, June 19 – Juneteenth
- Friday, July 4 – Independence Day
- Monday, Sept. 1 – Labor Day
- Thursday and Friday, Nov. 27 and 28 – Thanksgiving
- Monday, Dec. 22 through Friday, Dec. 26 – 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.
