Test Overview
Test Methodology

Provider performed microscopy- Giemsa stain

Test Usage

Performed by authorized providers in the point of care. The Tzanck smear is a diagnostic tool that allows for rapid detection of multinucleated giant cells that can be found in herpetic infections. Other methods, such as viral culture or PCR , may be used to confirm results.

Reference Range *

Negative

Test Limitations

•Too thick a preparation may obscure elements and can cause a false negative reading.

Test Details
Soft Order Code
PPMTZ
MiChart Code
Tzanck Smear, PPM
Laboratory
Point of Care
Section
Point of Care
Specimen Requirements
Collection Instructions

Skin scrapings from a fresh intact blister or vesicle

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
88104
LOINC
32187-7
NY State Approved
No