64302:FUNGUS CULTURE – SKIN, HAIR, OR NAILS
Author PeaceHealth Laboratories
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| Methodology: |
Culture |
| Edit Date: |
6/11/2010 |
| Performed: |
Daily |
| Released: |
Preliminary at 1 week. Final negative 4 weeks. Final positive > 4 weeks. |
| CPT Code: |
87101 |
| Specimen Collection Details |
| Collection: |
Skin scrapings, nail scrapings, or hair in a clean, dry plastic container. Skin: Clean the infected area with 70% alcohol. Gently scrape the surface of the skin at the active margin of the lesion with the edge of a sterile scalpel, sterile tongue blade, or the edge of a sterile slide. Send scalpel, tongue blade, or slide along with the scrapings. Hair: With forceps, collect at least 10-12 affected hairs with the base of the shaft intact. For hairs broken off at scalp level, use the edge of a scalpel or knife blade to remove the shaft. Collect scalp scales, if present, along with scrapings of active borders of lesions. Nails: Wipe nail(s) with 70% alcohol. Remove outermost layer by scraping with a scalpel and discard these scrapings. Collect deeper scrapings and material from under the nail for culture. |
| Stability: |
72 hours ambient. Specimen unstable refrigerated or frozen. |
| Transport: |
Ambient. . |
| Comments: |
Each isolate of mould or yeast will be identified. An additional charge will be added for each identification. See also: Fungus Culture & KOH Preparation – Skin, Hair, or Nails (64310) or Fungus Culture (64300). |
| Rejection Criteria: |
Delayed transport; refrigerated or frozen specimen. |
| No yeast or filamentous fungi isolated at 4 weeks. |
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Family Medicine for America's Health