Casandra
Casandra Test Code QD61868Version 1 (DRAFT)
Performing Lab
Beta-2 Transferrin, Body Fluid
Clinical Use
Order TestUse
Detection of Beta‑2 Transferrin in body fluids such as nasal, ear, or other drainage is used as a specific marker for cerebrospinal fluid (CSF) leakage, aiding in diagnosis of rhinorrhea or otorrhea due to head trauma, tumors, congenital malformations, surgery, and helping prevent central nervous system infections such as meningitis.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
New York Approved
Methodology
Immunoassay (Immunofixation)
Biomarkers
Beta‑2 Transferrin
ProteinImmunofixation • Other • Binary (Detected / Not Detected)
LOINC Codes
Result Codes
- 13876-8
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Body Fluid
Volume
0.5 mL
Minimum Volume
0.2 mL
Container
sterile, plastic, leak‑proof transport tube
Collection Instructions
Cotton swab soaked with drainage fluid or direct body fluid; do not add any additional fluid; if using swab, submit in sterile, plastic, leak‑proof transport tube
Causes for Rejection
Specimens collected with additives; saliva contamination
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 15 days |
| Refrigerated | 30 days |
| Frozen | 60 days |