Beta 2 Transferrin Fluid 3 34458

Test Code
BETRANS


Alias/See Also
BETRANS


CPT Codes
82397

Preferred Specimen
0.5 mL body fluid collected in a sterile, plastic, leak-proof transport tube


Minimum Volume
1


Other Acceptable Specimens
See Collection Instructions


Instructions
Draw one SST and send serum refrigerated


Transport Container
SST


Transport Temperature
R


Specimen Stability
Room temperature: 15 days
Refrigerated: 30 days
Frozen: 60 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens collected with additives


Methodology
Electrophoresis • Immunofixation

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Daily; Report available: 1-2 days


Reference Range
Not detected


Clinical Significance
Presence of Beta-2 Transferrin (B2T) in nose and ear secretions is indicative of cerebrospinal fluid (CSF) leakage. B2T is used as a marker of CSF leakage for the diagnosis of rhinorrhea or otorrhea as a result of head trauma, tumor, congenital malformation, surgery etc. Prompt diagnosis and localization helps localization and life-threatening CNS infections.


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



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.