Indian Ink Stain Test

Synonyms

Cerebrospinal fluid culture”,” Cryptococuss antigen titer

Purpose

The Indian Ink stain Test is done to detect presence of Cryptococcus neoformans(a type of encapsulated yeast) especially in the central nervous system.

Patient Preparation

The patient might be asked to empty their bladder and bowels before the test.

Samples

2 – 4 ml Fungal specimen collected in a Clean sterile tube A lumbar puncture is used to collect CSF and the patient is required to stay very still while the fluid is being withdrawn. Maintained at room temperature.

Reference Range

No Cryptococcus identified

Results Turnaround

1 – 2days after receipt of samples.

Diseases / Diagnostic indicators

Visible colonies indicate a fungal infection which more often is associated with cryptococcal meningitis.