Test Code CULTFUNSKIN Culture, Fungus, Dermal
Specimen Requirements
Submit only 1 of the following specimens:
Hair
Specimen must arrive within 72 hours of collection.
1. With forceps, collect 10 to 12 hairs with shaft intact.
2. Also scrape active borders of lesions, if present.
3. Send specimen in a screw-capped, sterile container.
4. Label container with patient’s name (first and last), date
and actual time of collection, and type of specimen.
5. Maintain sterility and forward promptly at ambient temperature
only.
Note: Specimen source and suspected fungal
species are required on request form for
processing.
Nails
Specimen must arrive within 72 hours of collection.
1. Disinfect nail with 70% alcohol, clip affected areas, and
collect debris under nail.
2. Send specimen in a screw-capped, sterile
container.
3. Label container with patient’s name (first and last), date
and actual time of collection, and type of specimen.
4. Maintain sterility and forward promptly at ambient temperature
only.
Note: Specimen source and suspected fungal species
are required on request form for processing.
Skin
Specimen must arrive within 24 hours of collection.
1. Disinfect skin with 70% alcohol, scrape surface of skin at
margin of lesion.
2. Punch biopsies may be used for skin lesions.
3. Send specimen in a screw-capped, sterile
container.
4. Label container with patient’s name (first and last), date
and actual time of collection, and type of specimen.
5. Maintain sterility and forward promptly at ambient temperature
only.
Note: Specimen source and suspected fungal species
are required on request form for processing.
Performing Laboratory
Mayo Medical Laboratories.
Reference Values
Not applicable
If positive, yeast or mold will be identified.
Methodology
Plated to Mycobiotic Agar
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
87102 - culture, fungus, isolation, other
87106 - culture, fungus, definitive, identification, each organism; yeast (if appropriate)
87107 - culture, fungus, definitive, identification, each organism; mold (if appropriate)