Test Overview
Test Methodology

Provider performed microscopy- KOH prep

Test Usage

Performed by authorized providers in the point of care. KOH wet preparation is a useful aid in the diagnosis of fungal infection. Fungal elements can be seen microscopically, especially with the addition of 10% KOH, which will dissolve background material, such as mucous, cellular debris, an keratinized material, while leaving fungal elements intact.

Reference Range *

Negative

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

•Use of a contaminated reagent can cause false positive exam.
•Too thick a preparation may obscure elements and can cause a false negative reading.

Test Details
Soft Order Code
PPMSK
MiChart Code
KOH Prep of Skin, Point of Care
Synonyms
    Laboratory
    Point-of-Care Testing
    Section
    Point-of-Care Testing
    Specimen Requirements
    Collection Instructions

    Skin scraping

    Additional Information

    For more test specific information, please refer to the test procedure found on the Michigan Medicine POC website: https://www.pathology.med.umich.edu/point-of-care

    Billing
    CPT Code
    87220
    LOINC
    55317-2
    NY State Approved
    No