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Oklahoma State University

Hours and Location


Monday - Friday, 8 a.m. to 5 p.m. (excluding OSU holidays/closures)

Emergency/After-Hours Lab Services

Animals are received for necropsy exam or rabies testing at any time during routine business hours Monday - Friday. 

For emergency submissions on weekends or holidays, please call the lab at (405) 744-6623 to schedule a delivery time between 8 a.m. and 5 p.m.

An emergency/after-hours fee will be assessed on the submission of these specimens.



OADDL does not offer emergency services on Thanksgiving Day or Christmas Day.

For your convenience, small samples may be deposited 24/7 in the west (Receiving) entry of OADDL.  Specimens may be deposited in the following:

  • Mini-refrigerator:  Culture swabs, fresh tissue, blood samples
  • Incubator:  Trichomoniasis pouches
  • Pass-thru window:  Specimens that can be maintained at room temperature (e.g. formalin-fixed tissues, blood culture bottles, Campylobacter culture tubes, etc.)


The OADDL is located northeast of the Veterinary Medical Hospital and northwest of McElroy Hall.

1950 W. Farm Rd.
Stillwater, OK 74078