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fungus DIRECT PREP EXAM: (088-0019)
Clinical Indication:

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

 F KOH
Methodology:

Microscopic examination of specimen with KOH with Calcofluor stain
Performed:

 Clinical Microbiology
Turnaround Time:

 1-3 days
Specimen Requirements: Patient Preparation: Aseptic collection technique

Collect:  Samples other than those listed below because they are rejected or are part of the routine fungus culture

Specimen Preparation: Place sample in clean container.

Storage/Transport: Room temperature

Stability: 48 hours

Causes for Rejection: Submission of sputum, CSF, urine, body fluids or blood for this test due to low sensitivity.
Clinical Information:

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.

Reference Range:

No fungal elements observed
Note:

 
CPT 4 Code:

 87205

Review 2/27/2013 by T. Friloux

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-9 code or its verbal equivalent.

 

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