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How to Submit a Sample

Note: In most cases, samples not requiring pathologist review are processed within four hours of receipt in our laboratory. Samples requiring pathologist review and special or more advanced testing will typically be processed within one business day. 

View a detailed list of the tests we perform​

See the Diagnostic Laboratory test information​ database for specific turn-around time and special submission details.

For an additional fee, STATs received at least one hour prior to closing will be given higher priority over routine submissions.

Diagnostic Laboratory Sample Receiving Hours

Regular hours:

  • Monday-Friday: 8 a.m.–5 p.m.
  • Saturday: 8 a.m.–noon
  • Sunday and Holidays: Closed

After Hours

Samples are accepted after hours during the times listed below. Call (970) 297-1290 before dropping off a sample. Samples will be handled as a STAT. Preliminary reports will be released for samples requiring a pathologist’s review (abnormal hematology, cytology, fluid analysis); a final report will be completed during the next business day.

  • Monday-Friday: 6–8 a.m. and 5 p.m.–midnight.
  • Saturday: Noon–​midnight 
  • Sunday: 8 a.m.midnight 
  • Holidays: 8 a.m.2 p.m.

To submit a sample:

  1. Follow our Submission Sample Guidelines.
  3. Fill out our Clinical Pathology Request Form, including brief pertinent history.
  5. Drop-off or overnight your sample to:
    CSU Veterinary Diagnostic Lab
    2450 Gillette Drive
    Fort Collins, Colorado 80526
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Contact Us:
Clinical Pathology Laboratory
Veterinary Teaching Hospital
300 West Drake
Fort Collins, CO 80523

​(970) 297-1290

​(970) 297-4441

Monday-Friday: 8 a.m.–5 p.m.
Saturday: 8 a.m.–​noon
Sunday and Holidays: Closed
General Information/Sample Questions:
Phone: (970) 297-1290