Specimen Requirements

Title

CRYPTOCOCCAL ANTIGEN (reflex to titer)

Specimen Requirement

Draw blood in a plain red-top tube. Centrifuge, separate serum from cells within 1 hour of collection and send 2.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen: SST

Methodology

Latex Agglutination

Stability

Room Temperature Unacceptable; Refrigerated 7 days; Frozen 60 days

Reference Range

By Report*

Turnaround

2 days Set up Tues-Sat AM

Clinical Use

Aid in establishing the presence if Cryptococcus neoformans infection

Test Code

CRYAG