Culture, Fungus, Skin, Hair, Nail with Direct Fluorescent/KOH

Test Code
FUNG


Quest Code
4605


CPT Codes
87101, 87220

Includes
Fungal smear and culture

If culture is positive, then identification will be performed at an additional charge (CPT code(s): 87106 or 87107 or 87140 or 87143 or 87149 or 87158).


Preferred Specimen
Basal portions of infected hairs, scrapings from the active, peripheral edge of lesions and scrapings from recently invaded nail tissue


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 is not recommended because it can inhibit dermatophytes.


Transport Container
Sterile leak-proof container
Dry swab in sterile container
Swab in bacterial transport medium


Transport Temperature
Room temperature


Specimen Stability
Transport swabs
Room temperature: 72 hours
Refrigerated: See Instructions
Frozen: Unacceptable

Hair, skin and nail specimens
Room temperature: 14 days
Refrigerated: See instructions
Frozen: Unacceptable


Methodology
Calcofluor White Stain • Culture

Setup Schedule
Days Monday-friday


Report Available
4 weeks


Reference Range
SmearNo fungus seen
Culture, FungusNot isolated


Clinical Significance
Fungi cause many types of infections, some of which may become serious, especially in immunocompromised and hospitalized patients. The appropriate collection, transport and processing of specimens allows the recovery of fungal organisms and the association of a specific fungus with a disease process.


Performing Laboratory
Quest Diagnostics LLC
200 Forest Street, 3rd Floor, Suite B
Marlborough, MA 01752-3023




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.