Culture, Fungus, Skin, Hair, Nail with Direct Fluorescent/KOH
Test code
CPT code(s)*
Test resources
Test FAQ
Details
Includes
Fungal smear and culture
If culture is positive, then identification will be performed at an additional charge (CPT code(s): 87106 or 87107).
If the organism cannot be identified by the original method or if there are multiple organisms, identification by DNA sequencing may be performed at an additional charge (CPT code(s): 87153).
Methodology
Microscopic Exam • Culture • Isolation and Identification
Alternative name(s)
Fungus Culture, Skin
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | Basal portions of infected hairs, scrapings from the active, peripheral edge of lesions and scrapings from recently invaded nail tissue collected in a sterile leak-proof container or Dry swab collected in a sterile container or Swab collected in a bacterial transport medium |
| Minimum volume | Any amount basal portion or scrapings • 1 swab |
| Collection 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 | Hair, skin and nail specimens Room temperature: 14 days Refrigerated: See Collection Instructions Frozen: Unacceptable Transport swabs Room temperature: 72 hours Refrigerated: See Collection Instructions Frozen: Unacceptable |
| Reject criteria | Specimens other than hair, skin or nails • Specimens transported in alcohol or formalin |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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