Cryptococcal Antigen Detection

Test Name: Diagnostic Section: Fee:
Cryptococcal Antigen Detection - qualitative
Species: Set up days: Turn Around Time:
All Species (exc. primates)
M, Tu, W, Th, F 1 day
Specimen Requirements:

Sterile non-hemolysed serum or CSF; 1.0 ml preferred, 0.5 ml minimum
Collection Protocol:

Collect in red top tube, separate serum promptly or collect in serum separator tube, spin and send "as-is".
Shipping Requirements:

Refrigerated, in leak proof tubes (s).  Overnight or 2-day shipping is recommended.
Additional Information:

Testing should be done when clinical evidence suggests diagnosis of cryptococcal disease and not as a screening procedure for the general population.  This test yields a presence/absence report for detection of the capsular polysaccharide antigens of Cryptococcus species complex (Cryptococcus neoformans, serotype A and D, and Cryptococcus gatti, serotype B and C).  It does not provide a quanitative titer of the antigen concentration. If a specimen tests positive by this test, a titration via the Cryptococcal latex agglutination test can be performed if desired.