Please Do Not send money with your sample, you will receive a statement from ISU after your diagnosis is complete.
* Fee is for standard morphological and microscopic diagnosis. Additional fees may apply for specialized media, molecular and serological-based diagnostic methods. Molecular and serological-based diagnostic methods may be available for additional fee, see details at Plant Problem Diagnosis page. We will contact you before any additional testing.
Contact us before submitting an out-of-state sample for fees and restrictions, or contact your local diagnostic clinic on the National Plant Diagnostic Network- NPDN
We are open weekdays 8:00am - 4:00pm. The doors to the ATRB building will lock at promptly at 4:00pm so try to arrive earlier. If for some reason you are going to be slightly later than 4:00pm please call us ahead of time at (515)-294-0581 and we can try to accommodate you.
Closed on weekends and University holidays