Test Code KOH KOH Prep
Performing Laboratory
CCHS-Christiana Care Health Services
Methodology
KOH/Calcofluor White Stain
Specimen Requirements
Acceptable Specimens:
Fluid, hair, respiratory secretion, skin scraping, tissue, and urine
Submit only 1 of the following specimens:
Preferred:
Tissue
Container/Tube: Screw-capped, sterile container
Specimen: Tissue
Collection Instructions: Maintain sterility and forward promptly.
Note: Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.
Alternate:
Fluid
Container/Tube: Screw-capped, sterile container
Specimen: Fluid
Collection Instructions: Maintain sterility and forward promptly.
Note: Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.
Hair
Container/Tube: Screw-capped, sterile container
Specimen: 10 hairs from infected area(s)
Collection Instructions: Maintain sterility and forward promptly.
Note: Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.
Respiratory Secretion
Container/Tube: Screw-capped, sterile container
Specimen: Respiratory secretions
Collection Instructions: Maintain sterility and forward promptly at ambient temperature.
Note: Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.
Skin Scrapings
Container/Tube: Screw-capped, sterile container
Specimen: Skin scrapings
Collection Instructions: Maintain sterility and forward promptly at ambient temperature.
Note: Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.
Urine
Container/Tube: Screw-capped, sterile container
Specimen: Urine
Collection Instructions: Maintain sterility and forward promptly at ambient temperature.
Note: Label container with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of collection, collector’s initials, and type of specimen.
Reference Values
Negative
Day(s) Test Set Up
Monday through Sunday
Routine Turnaround Time: 24 to 72 hours
STAT Turnaround Time: not available