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Beta 2 Transferrin
Test CodeB2TRAN
Alias/See Also
Transferrin, CSF
Preferred Specimen
0.5 mL nasal or otic fluid
Minimum Volume
0.5 mL
Instructions
Submit fluid in plastic vial, stoppered syringe or on cotton swab placed in a tightly sealed tube. Results may be availabe on smaller amounts based on the prtein concentraion in the specimen. Do not add fluid (saline) to collection.
Transport Container
Varied
Transport Temperature
Frozen
Report Available
2-3 days
Reference Range
Negative
Clinical Significance
The presence of Beta-2 Transferrin in nasal or ear fluid, or in wound drainage following head trauma, surgery or from tumors or congenital malformation, clearly indicates CSF leaking into these passages or fluids creating a pathway for life-threatening central nervous system infection.
