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HelpCatalog ID Ag Cryptococcus Cryptococcal Antigen Test
CPOE Test Name
Cryptococcal Antigen
Synonyms
CRYPT
Specimen Type
Serum or cerebrospinal fluid
Specimen Requirements
Serum (red top tube) or cerebrospinal fluid
Storage and Transport
Ambient temperature and transport to Microbiology Laboratory within 1 hour.
Causes for Rejection
Improper labeling; improper tube; insufficient quantity; leaking; specimen other than blood or CSF; delay in transport
Reference Range
Negative for Cryptcoccal antigen
Critical Values
positive with titer >1:5
Test Consists
Cryptococcal antigen detection with titer if screening is positive.
Turn Around Time
Results available afternoon of test day.
Performing Lab
Microbiology BA-1672 721-2807
Methodology
Immunochromatographic test for C. neoformans antigen.
CPT / HCPCS Code
Screen – 87899; Titer – 87899 with a -59 modifier