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Cryptococcus Antibodies, Quantitative

Test ID: 


CPT code:


Clinical Use:

Aid in the diagnosis of cryptococcosis

Test Information:

Agglutination titers ≥1:2 are suggestive of infection with Cryptococcus neoformans. Agglutinins may be detected early in the course of the disease but if the disease progresses, excess antigen may be produced which renders antibodies undetectable. With effective chemotherapy, the antigen titer declines and antibody may once again be demonstrated. Antibodies may persist for long periods even after cessation of chemotherapy.

Specimen Type:


Requested Volume: 

1 mL

Minimum Volume: 

0.5 mL

Container Type: 

Gel-barrier tube or red-top tube

Storage Instructions:

Refrigerate. Specimen can be stored at 2°C to 8°C for 72 hours. Freeze for longer storage.

Rejection Criteria

Cerebrospinal fluid (CSF)

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