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Test ID NBLD0300 KOH Prep, Skin, Hair or Nails

AKA

Fungal Elements, KOH prep

Specimen Type/Requirements

Swab Specimens will be rejected. 

 

Hair - Collect using forceps 10-12 affected hairs with bases of shafts intact. Place in sterile container. 

 

Skin - Cleanse affected area with 70% alcohol. Gently scrape surface of skin at active margin of lesion. Do not draw blood. Place in sterile container. Submitted specimen must have enough scrapings to cover head of a thumbtack. 

 

Nail - Wipe nail with 70% alcohol. Clip away generous portions of affected area and collect material or debril from under nail. Place in sterile container. Submitted specimen must have enough clippings / debris to cover head of thumbtack. 

 

Skin, Hair, or Nails Sterile container (no additives or preservatives)

 

Stability/Transport

Room Temperature Preferred Transport
Refrigerated NA
Frozen NA

 

Performed Test Frequency

Monday – Friday

Methodology

Wet mount with Calcofluor White stain and/or 10% KOH.

Performing Lab

Sanford Laboratories Fargo-Microbiology

CPT

87220

Report Available

1-3 days