Test Directory

Test Code
KOH
Test Name
Fungal Stain, KOH
CPT Codes
87220
Expected Turnaround Time
1 - 3 days
Clinical Utility
The KOH stain is used for the direct examination of clinical specimens for the presence of fungi.
Specimen and Container Info

Specimen: Hair, Skin, Nails, or other specimens with a concern for fungal infection

Container: Sterile Container

Processing and Submission Instructions
  • KOH Stain is included in the Dermatophyte Culture and an additional order is not required.
Stability Requirements

Room Temperature

3 days
Methodology
Microscopic Examination
Performing Location
Roble Road Core Laboratory
Alternate Names
  • KOH Prep
  • Fungal Smear
  • Fungus Stain
  • Calcofluor White
Testing Schedule
Routine, Monday-Friday - no holidays