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KOH

Mnemonic

KOH

Guidelines

This test order is appropriate for skin scrapings, hair or nail clippings. Does not include a fungus culture.

Specimen Collection Requirements

Collect

Skin scrapings, hair clippings and nail clippings or scrapings

Handling

Place in a sterile screw-cap container.

Preferred Volume

0.5 mL

Minimum Volume

>0.1 mL

Transport

Room temperature

Rejection Criteria

Insufficient amount of specimen

Stability

Ambient: 1 week; Refrigerated: 1 week; Frozen: Unacceptable

Testing Information

Performed

Mon - Fri

Reported

24-48 hours

Method

Calcofluor White Stain Microscopy

Reference Values

Reference Values

Negative for fungal elements.

CPT Codes

87220

Last Updated: Thursday, January 5, 2017 03:41:20 AM


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