CRYPTOCOCCAL ANTIGEN, SERUM

Message

Aids in the diagnosis of disseminated cryptococcosis caused by C.neoformans or C. gattii.

Test Code

LAB1230636

CPT Codes
87899

Includes

Lateral Flow Assay (LFA) test for the antigen of Cryptococcus neoformans

Preferred Specimen

Serum in a sterile vial (Serum Separatoror Red top)

Minimum Volume

0.5 mL Serum

Instructions

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).
Repeat testing of positive patients is limited to once per week.

Performing Laboratory
J.W. Ruby Memorial Hospital

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.