Test Code INK
India Ink Prep, Spinal Fluid
Methodology
Microscopy
India ink preparation can be used to determine presence of encapsulated yeast, suspicious for Cryptococcus neoformans, particularly in cerebrospinal fluid specimens.
Performing Laboratory
St. Clair Hospital Laboratory
Specimen Requirements
1 mL of spinal fluid. Maintain sterility and forward promptly in a screw-capped, sterile vial at ambient temperature only.
Reference Values
Negative - no encapsulated yeast seen
Day(s) Test Set Up
Monday through Sunday