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

Hair, skin, nail samples in sterile container.

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

7 days/week.

Reported

7 days per week.

Method

Potassium hydroxide.

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

Negative for fungal elements.

CPT Codes

87220

Last Updated: Thursday, September 13, 2018 12:37:18 PM