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CRYPTOCOCCAL ANTIGEN, CSF
MessageAids in the diagnosis of cryptococcal meningitis caused by C.neoformans or C. gattii. All orders for antigen testing must be
accompanied by fungal culture orders.
accompanied by fungal culture orders.
Test Code
LAB1230635
CPT Codes
87899
Includes
Lateral Flow Assay (LFA) test for the antigen of Cryptococcus neoformans.
Preferred Specimen
CSF in a sterile vial or collection cup
Minimum Volume
0.5 mL CSF
Specimen Stability
Refrigerated, 2-8°C for 72 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
More than one specimen per patient submitted per week
Methodology
Immunochromatographic lateral flow assay (IMMY)
Setup Schedule
Monday - Friday
Reference Range
Negative
Clinical Significance
Positive specimens are reflexed automatically to titer (range 1:1 – 1:2,560) and results verbally reported to licensed caregiver.
Monitoring of therapeutic response should not be based on titer (IDSA Guideline, Clin Infect Dis 2000;30:710).
Monitoring of therapeutic response should not be based on titer (IDSA Guideline, Clin Infect Dis 2000;30:710).
Performing Laboratory
West Virginia University Hospital, Inc.