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Beta-2 transferrin-13647

Test info

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

Specimen type:

Aural or nasal fluid

Collection container:

Sterile vial/container

Volume:

2.0 mL

Minimum volume:

1.0 mL

Processing instructions:

Transport fluid in a sterile vial/container without preservative

Transport container:

Sterile container

Alternate specimen type:

Fluid collections from other sites such as wound or drain fluid

Required forms/information:

Source

Transport and stability:

Refrigerated (preferred) - 2 weeks

Ambient - 2 weeks

Frozen - 2 weeks

Performance

Performing lab:

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

Days set up:

Daily

TAT:

2 - 5 days

Method:

Immunofixation Electrophoresis (IFE)

Clinical and Interpretive info

Reference ranges:

None detected

Billing

CPT codes:

86335

LOINC code:

Result 13876-8

Tracking

Date created:

04/23/2019

Revised date:

12/18/2023

Review date:

12/18/2023