KOH Skin, Hair or Nails


Sunquest Code:KOHSP  
Epic Code:LAB3578Epic Name:KOH Skin Hair or Nails
Synonyms:Fungal; Skin Scraping; Fungus; Fungi; Dermatophyte; KOHSP
Methodology:Direct examination after 20% KOH hydrolysis of protein debris and cells.
CPT Code:87220
Test Includes:Direct examination of specimen for fungal elements.
Turnaround Time:Performed 24 hours/day; results are reported within 4 hours.
Special Instructions:The same specimen may be submitted for bacterial and fungal culture and KOH wet mount.


Collection Instructions

Specimen:Hair, skin, nails. See KOH listing for other sources.
Optimal Volume:Visible material
Container:Microbiology containers (Plastic leakproof container, sterile)
Collection Instructions:Refer to directions for collection of Fungus Culture.
Causes for Rejection:Specimen collected with swabs.


Processing and Shipping

Specimen Processing:Store at room temperature.
Shipping Instructions:Ship at room temperature. Must arrive within 24 hours.
Test Performed at or Referral Lab Infectious Diseases Diagnostic Lab-Microbiology 


Interpretive

Reference Range:No fungal elements seen.
Use:Determine presence of fungi in skin, nails or hair.


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