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KOH preparation |
| Test | KOH preparation |
| Indication | Determine the presence of fungi in skin, nails or hair |
| Normal Range | No fungus elements identified |
| Sample | Fungal specimen |
| Test Method | 10% KOH with gentle heat, alternately 20% KOH or 10% KOH and 40 % dimethyl sulfoxide (DMSO) |
| Related Tests | Fungus smear, Gram stain, Indian ink preparation. |
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