Diagnostic Test Directory

Microbiology Laboratory

Dermatophyte Screen

  • LIS Mnemonic: CFO

    Collect

    ACCEPTABLE SPECIMENS INCLUDE: hair, nail or skin scraping collected in a sterile container OR on a toothbrush.

    Place specimens directly into sterile container or if using a toothbrush, brush the scalp and then re-place the brush in packaging.

    Volume Required

    5-6 flakes of skin; 5-6 pieces of hair; 2-3 nail clippings

    Minimum Required

    5-6 flakes of skin; 5-6 pieces of hair; 2-3 nail clippings

    Transport

    Sent to the lab immediately at room temperature

    Stability

    Specimens should be submitted within 72 hours of collection

    Unacceptable conditions

    Swabs are not acceptable specimens for this culture.

Days Performed

Cultures read Mon, Wed, Fri

Reported

Updated when positive; negative at 7 days

CPT

87102

Methodology

Culture