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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