The MSU VDL is closed on limited holidays when U.S. Mail and commercial delivery services (UPS, FedEx, DHL) are unavailable. To avoid delays in your testing requests, please keep this in mind when shipping specimens. For advice on shipping time- or temperature-sensitive samples around these holidays, please contact the Laboratory.

*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.

Memorial Day

May 27, Monday* | CLOSED

Independence Day

July 4, Thursday* | CLOSED

Labor Day

September 2, Monday* | CLOSED

Thanksgiving

November 28, Thursday | CLOSED

November 29, Friday* | University holiday | 8:00 a.m. - 1:00 p.m.

Christmas, MSU Winter Break, and New Year

December 23, Monday | Regular Monday hours

December 24, Tuesday | University holiday | 8:00 a.m. – 1:00 p.m.

December 25, Wednesday | CLOSED

December 26, Thursday | University holiday | 8:00 a.m. - 4:00 p.m.

December 27, Friday | University holiday | 8:00 a.m. - 4:00 p.m.


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

December 31, Tuesday | University holiday | 8:00 a.m. - 1:00 p.m.

January 1, Wednesday | CLOSED


During limited hours on University holidays (11/29, 12/24, 12/26, 12/27, 12/30, 12/31), 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. Please note that test schedules throughout the lab may be impacted.

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