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KOH Preparation
MessageSRHC Clients:
Transport to SRH lab at room temp.
Transport to SRH lab at room temp.
Test Code
KOHP
Alias/See Also
Fungal Prep
Includes
Direct tissue examination by KOH slide of samples from skin, hair, or nails for fungi. Sample must have visible material.
Instructions
Hair:
1. With forceps, collect at least 10-12 affected hairds with the base of the shaft intact.
2. Place in sterile container properly labeled with patient identifiers and collecte date and time.
Nails:
1. Remove nail polish.
2. Wipe nail with 70% alcohol using gauze(not cotton)
3. Clip a generous portion of the affected area and collect scraping of excess keratin produced under the nail.
4. Place in sterile container properly labeled with patient identifiers and collecte date and time.
Skin:
1. Gently scrape the surface of the skin at the active margin of the lesion. Do not draw blood.
2. Place in sterile container properly labeled with patient identifiers and collecte date and time.
1. With forceps, collect at least 10-12 affected hairds with the base of the shaft intact.
2. Place in sterile container properly labeled with patient identifiers and collecte date and time.
Nails:
1. Remove nail polish.
2. Wipe nail with 70% alcohol using gauze(not cotton)
3. Clip a generous portion of the affected area and collect scraping of excess keratin produced under the nail.
4. Place in sterile container properly labeled with patient identifiers and collecte date and time.
Skin:
1. Gently scrape the surface of the skin at the active margin of the lesion. Do not draw blood.
2. Place in sterile container properly labeled with patient identifiers and collecte date and time.
Transport Container
Hair, nails, skin scrapings, tissue in tightly sealed sterile tube or container.
Specimen Stability
Transport to Lab at room temp
Methodology
Microsopic exam
Report Available
1-2 days
