KOH Preparation

Message

Day(s) Test Set Up: Monday through Sunday

Test Code

KOHS

CPT Codes
87220

Preferred Specimen

Hair, fingernails, toenails or skin scrapings.

Instructions

Submit one of the following specimens: Hair 1. Pull out several dead hairs (will pull out easily without pain and may be coated). 2. Place hair in a screw-capped, sterile container. Note 1. Ointments and other cutaneous preparations may interfere with this prep. 2. Specimen source is required on request form for processing. Nails 1. Do not send clippings. 2. Scrape flat surface of nail with blade until you get down to the infected part which will generally be crumbly or cheesy. 3. Place scrapings in a screw-capped, sterile container. Note 1. Ointments and other cutaneous preparations may interfere with this prep. 2. Specimen source is required on request form for processing. Skin 1. Scrape dry skin around lesion. 2. Place scrapings in a screw-capped, sterile container. Note 1. Ointments and other cutaneous preparations may interfere with this prep. 2. Specimen source is required on request form for processing.

Transport Container

Sterile leakproof container

Transport Temperature

Ambient

Methodology
Microscopic examination

Reference Range

Negative

Clinical Significance

Useful for the rapid detection of fungal elements and yeast in clinical specimens.

Last Updated: February 17, 2011

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.