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Test Code KOHCAL Koh/Calcofluor Prep

Specimen Type

Appropriate specimen for smear is the same as for culture. See specific site Fungus Culture for details.

Preferred Collection Container

STL-CUP

Collection Volume

Same as for culture of specific site

Minimum Collection Volume

Same as for culture of specific site

Collection Instructions

Same as for culture of specific site

Rejection Criteria

Insufficient specimen volume; Dry swab; Inadequate labeling; Improper container; Specimen on outside of container; Incomplete requisitions.

Specimen Storage and Stability

Same as for culture of specific site.

Turn Around Time

24 hours

Lab Department

Microbiology

Alias

KOH/Calcofluor Prep; Mycology Stain; Fungus Prep; Potassium Hydroxide Preparation; Calcofluor Stain; KOH Smear for Fungus; Fungus Smear/KOH;

EPIC Code

LAB251

Acceptable Collection Container

Same as for culture of specific site

Patient Preparation

Same as for culture of specific site

Additional Information

The test is a direct microscopic examination of specimen for presence of yeast and hyphal forms of fungi using Calcofluor stain and/or using KOH.

The specimen will be divided for fungal culture and KOH/Calcofluor preparation, mycobacteria culture and smear, and routine bacterial culture and Gram stain only if the specimen is accompanied by a properly completed requisition for each of these procedures and if the specimen is of adequate volume for all tests requested.

Day(s) and Time(s) Performed

6:00am – 12:30am