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.
0.5 mL Fluid in a sterile vial
Cotton Swab soaked with drainage fluid in a sterile vial (Do not add any additional fluid (Water or Saline)
or
Drainage Fluid in a sterile vial
15 days Ambient
30 days Refrigerated (transport)
60 days Frozen
Order must include the site and/or source of collection
Example: Nasal, otic, or other fluids
-If direct collection is not feasible, specimen may be collected using plain cotton swab and submitted in a sterile, plastic leak-proof transport tube.
-If submitting syrine, remove needle and cap the syringe to avoid specimen leakage.
-Specimens contaminated with salivary fluid degrade the beta-2 transferrin. These specimens should be frozen immediately following collection and should be kept frozen until testing is performed.
-Do not collect specimen with a culture swab.
-Do not add any liquid to the swab.
0.2 mL Fluid
Not detected
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.
2 to 3 days
00919402
86335