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Diagnostic Laboratory

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400+ Testing Services

We offer a variety of services for farm animal, pet and wildlife testing. Diagnostic services include necropsy, biopsy, bacteriology and mycology identification, parasite screening, serology, and molecular diagnostics.
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Fee Schedule

View our general policies and a comprehensive list of fees and turnaround time for each test.
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Contact Us


Monday - Friday

8 a.m. - 5 p.m.

(excluding OSU holidays and closures)

OSU Calendar


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


1950 W. Farm Rd.
Stillwater, OK 74078 


After-Hours Lab Services

For emergency submissions on weekends or holidays, please call the lab 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.

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