CRYPTOCOCCAL ANTIGEN, CSF

Message
Aids 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.


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).


Performing Laboratory
West Virginia University Hospital, Inc.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.