Cryptococcus Antigen, Cerebrospinal Fluid
Use
Aid in establishing the presence of Cryptococcus neoformans or Cryptococcus gattii infection.
Special Instructions
Not provided.
Limitations
Endpoint titers obtained from different cryptococcal antigen testing methods may not correlate, and as such, it is recommended that patients with positive cryptococcal antigen results are monitored consistently using the same assay method.
Methodology
Immunoassay (Lateral Flow)
Biomarkers
Cryptococcus neoformans / Cryptococcus gattii
Microorganism
LOINC Codes
- 70911-3 - Cryptoc Ag CSF Ql IA.rapid
- 70911-3 - Cryptoc Ag CSF Ql IA.rapid
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Cerebrospinal Fluid
Volume
1 mL
Minimum Volume
0.5 mL
Container
Sterile plastic (CSF) tube
Storage Instructions
Refrigerated (2°-8°C) or frozen (<−20°C)
Causes for Rejection
Quantity not sufficient for analysis; hemolysis; lipemia; gross bacterial contamination; inadequate labeling; specimen received after prolonged delay (usually >72 hours); inappropriate transport device
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 5 days |
Other tests from different labs that may be relevant