Test Detail

KOH (Fungus) Preparation

Test Code:

KOH

CPT Code:

87210

Order Information

Synonym	Potassium hydroxide (KOH) preparations
Specimen Container	Choose from the following specimen types and submit in Sterile Specimen Cup: Corneal Scrapings Tissue Sputum (1 mL) Skin Vaginal Nail Hair
Specimen Handling	A physician or trained provider must collect KOH specimens.
Unacceptable Conditions	Swabs
Methodology	Wet Prep, Microscopic exam
Stability	Ambient: 48 hours Refrigerated: 48 hours Frozen: Unacceptable
Test Includes	Source Budding Yeast Other fungal elements, if observed
Reference Range Information	Presence of Yeast & hyphae.....................Quantitate Absence of Yeast & hyphae.....................None Seen Pseudohyphae...........................Reported if Present QUANTITATING WET PREP ELEMENTS Rare 1-4 per 10 High Power Fields (HPF) Few 0-5 per HPF Moderate 5-10 per HPF Many > 10 per HPF
Schedule	Daily; All Shifts: The McDowell Hospital Transylvania Regional Hospital NC Central Lab
Turn Around Time	Same day
Department	Microbiology