Cryptococcus Antigen, Serum or CSF


Cryptococcus is a yeast-like fungus that produces neither true mycelium nor ascospores. The pathogenic group of Cryptococcus is represented by the one species C. neoformans. Traditionally, infection with Cryptococcus was found in patients with sarcoidosis or lymphoma, however, it has emerged as a major cause of illness and death among patients with late-stage HIV infection and is one of the most common causes of meningitis in these patients. The organism initiates infection by gaining entrance to the lungs, and from there, infection may rapidly disseminate to the brain and meninges.


Cryptococcus causes meningitis especially in immunocompromised patients, patients with sarcoidosis, lymphoma, and late stage HIV infection.

Sample Type, Quantity & Conditions

1 ml Serum or CSF Room Temperature

Special Precautions

Normal Range

By Report

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