The MSU VDL is closed only when U.S. Mail and commercial delivery services (UPS, FedEx, DHL) are unavailable on limited holidays. Please keep this in mind when shipping specimens to avoid possible delays. Contact us for advice on shipping time- or temperature-sensitive samples around these holidays.

*The Clinical Pathology laboratory, located in the Veterinary Medical Center (VMC), will be open on these holidays from 9:00 a.m. - 3:00 p.m. to support the VMC's Emergency and Critical Care service.

Martin Luther King, Jr. Day

January 20, Monday* | 8:00 a.m. – 5:00 p.m.

Memorial Day

May 26, Monday* | CLOSED

Independence Day

July 4, Friday* | CLOSED

Labor Day

September 1, Monday* | CLOSED

Thanksgiving

November 27, Thursday | CLOSED

November 28, Friday* | University holiday | 8:00 a.m. - 1:00 p.m.

Christmas, MSU Winter Break, and New Year

December 22, Monday | Regular hours

December 23, Tuesday | Regular hours

December 24, Wednesday | Regular hours

December 25, Thursday | CLOSED

December 26, Friday | University holiday | 8:00 a.m. - 1:00 p.m.


December 29, Monday | University holiday | 8:00 a.m. - 4:00 p.m.

December 30, Tuesday | University holiday | 8:00 a.m. - 4:00 p.m.

December 31, Wednesday | University holiday | 8:00 a.m. - 4:00 p.m.

January 1, Thursday | CLOSED

January 2, Friday | University holiday | 8:00 a.m. - 1:00 p.m.


During limited hours on University holidays (1/20, 11/28, 12/26, 12/29, 12/30, 12/31, 1/2), building access and Client Service telephone lines will be available and our Receiving/Order Entry staff will be working to ensure your incoming specimens are handled promptly and efficiently. Technical staff will be working to ensure minimal impact to test schedules and turnaround time.

Thank you for choosing the MSU VDL for your veterinary diagnostic needs. We wish you safe and happy holidays!