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Fungal Stain, Calcofluor, Skin, Hair or Nails [14824X]
Test Code18693
CPT Codes
87220
Preferred Specimen
Skin or hair or nails submitted in a sterile, leak-proof container
Instructions
Remove hairs with forceps, scrape skin or scalp scales, clip nails and include keratin scrapings. Cleanse skin with alcohol before scraping. Cleanse feet and hands before collecting nails.
Refrigeration can inhibit dermatophytes.
Refrigeration can inhibit dermatophytes.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: See instructions
Frozen: Unacceptable
Refrigerated: See instructions
Frozen: Unacceptable
Methodology
Calcofluor White Stain
Setup Schedule
Set up: Daily; Report available: 3 days
Reference Range
Not applicable
Clinical Significance
Fungi can infect the hair, skin, and nails. Early diagnosis can lead to effective treatment.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153