Clinic Fees

Fees for Services Per Sample

All samples have a "Basic Sample Fee" unless otherwise stated. The basic fee covers our standard diagnostic and identification procedures for plant diseases, plant problems and insect identification. Includes initial sample evaluation, microscopic examination, routine cultures for fungal and bacterial pathogens and management suggestions, if needed.  Also includes examination of images submitted as samples for identification and/or diagnosis. If multiple sample types are sent in to the clinic each sample will be given a separate sample number.

If writing a check please make sure it is made out to the Ohio State University. If you wish to pay via credit card, please send an email to to request an online payment form.

Basic Plant Health Analysis (Physical Samples) - $20 Services covered by this fee include:

  • Visual Examination
  • Moist Chamber
  • Culturing
  • Microscopic Examination
  • Arthopod (Insects etc.) Identification
  • Plant Identification
  • Plant EC and pH levels

Basic Plant Health Analysis (Digital Samples) - $20

Insect Identification - $20

Nematode Analysis

  • Soybean Cyst Nematode---$20.00*
  • Pine Wood Assay Nematode ---$20.00*
  • Other (Vermiform) Nematode---$40.00*

*Excludes the "Basic Sample Fee" Samples requiring nematode analysis and other plant disease diagnostics are subject to both Nematode analysis fees and Basic Sample Fees.

Turfgrass and Lawns

  • Ohio General Turf Samples---$20.00
  • Commercial Turf Samples---$50.00
  • Turf Nematode Assay---$40.00
  • Out-of-State Turf---$100.00

Additional Tests & Fees (Cost is added to basic sample fee)

  • Serological testing* ---$20.00
  • Xylella fastidiosa ----$40.00
  • Electron Microscopy ----85.00
  • General Fungi & Bacteria DNA Extraction, PCR & Sequence --$50.00
  • General Phytoplasma DNA Extraction, (rtPCR) -- $50.00
  • American Foul Brood PCR & Sequence---$40.00*
  • Out-of-State Service Charge----$20.00

*Contact PPDC for availability and ordering of specific tests