Beta-2 transferrin

Alphabetical Test listing

Beta-2 transferrin-13647

Test name:

Beta-2 transferrin

Test number:

13647

Excellian order number:

LAB13647

Abbreviation:

BETA2TRANS

Alternate names:

Beta 2 transferrin
Cerebrospinal Fluid Leakage Transferrin, Spinal Fluid B2 Transferrin
CSF Leakage Detection
CSF Specific Transferrin
CSF-Specific Transferrin
Desialated Transferrin
Tau CSF Protein
Transferrin B2

Useful for:

Detection of a beta-2 transferrin band by IFE is diagnostic for the presence of cerebrospinal fluid (CSF).

This test is useful in the differential diagnosis for CSF otorrhea or CSF rhinorrhea. Beta-2 transferrin is not detected by this methodology in normal serum, tears, saliva, sputum, nasal, or aural fluid.

Specimen type:

Aural or nasal fluid

Collection container:

Sterile vial/container

Volume:

2.0 mL

Minimum volume:

1.0 mL

Collection instructions:

Direct collection into a sterile container without preservatives

Processing instructions:

Transport fluid in a sterile vial/container without preservative

Transport container:

Sterile container

Alternate collection instructions:

Collect specimen with a plain cotton swab or gauze
Place in sterile container without preservative
Do Not add any liquid to the swab or gauze

Required forms/information:

Source

Transport and stability:

Frozen (preferred) - 2 weeks

Refrigerated - 2 weeks

Ambient - 2 weeks

Reason for rejection:

Specimen collected with a culture swab
Specimen grossly contaminated with blood
Specimen colleted with addatives

Performing lab:

ARUP Laboratories Inc (0050047) via LabCorp (829030): R-LC

Days set up:

Daily

TAT:

3 - 7 days

Method:

Qualitative Immunofixation Electrophoresis (IFE)

Reference ranges:

None detected

CPT codes:

86335

LOINC code:

Result 13876-8

Date created:

04/23/2019

Revised date:

11/07/2025

Review date:

11/07/2025