Sign In
Labcorp Oklahoma, Inc.
Test Directory


Index:

Beta-2, Transferrin BF

Order Name BETA-2 TRA
Test Number: 3656675
Revision Date 10/30/2025
Test Name Methodology LOINC Code
Beta-2, Transferrin BF
Immunofixation Electrophoresis  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL Body Fluid Sterile Screwtop Container Refrigerated
Instructions Aural or nasal fluid in sterile container; Do Not Freeze. Do Not send CSF specimens!
Notes: 1 mL (Note: This volume Does NOT allow for repeat testing).
Specimen Type: Sterile container
Specimen Storage: Refrigerated
Special Instructions: Testing referred to ARUP TC 50047
Specimen Stability: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 2 weeks
GENERAL INFORMATION
Expected TAT 4 - 8 days  
Clinical Use This test is to detect CSF in body fluids such as sinus or ear drainage. 
Performing Labcorp Test Code 829030 
CPT Code(s) 86335
Lab Section Reference Lab