Return to Test Directory
Fungus Direct Prep Exam (088-0019)
Test Mnemonic:

F KOH

Specimen Requirements:
Collection:

Aseptic collection technique

Container:

Clean container

Minimum Volume:

Visible specimen

Storage/Transport:

Room temperature

Specimen Preparation:

Place sample in clean container

Stability:

48 hours

Causes for Rejection:

Specimen container unlabeled or labeled incorrectly. No date and time of collection or no collector information on order. Submission of Sputum, CSF, urine, body fluids or blood for this test due to low sensitivity.

Reference Range:

No fungal elements observed

Turnaround Time:

1-3 days

Methodology:

Microscopic examination of specimen with KOH with Calcofluor stain

Performed:

Clinical Microbiology

Synonyms:

KOH Prep; Fungus Prep

Clinical Indication:

Rapid detection of yeast, hyphae and other fungal elements in specimen

Patient Preparation :

Aseptic collection technique

CPT 4 Code:

87205

Note:

Requests for fungus cultures of skin scrapings, aspirate, fluid, tissue, hair include  KOH as part of the fungus culture order. Specify this test if on other sample types.

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.
Return to Test Directory