Laboratory Test Information Guide

Details for Beta-2 Transferrin

Test Name: Beta-2 Transferrin
Alternate Name(s): Beta-2 Transferrin
Beta 2 Transferrin
Beta Transferrin
CSF Specific Transferrin
Tau Protein
Laboratory: Clinical Immunology
Specimen Type: Collect 500 ÁL nasal or ear fluid into a clean specimen container. Also need to collect blood as follows:

5 mL Gold top Vacutainer tube

0-2 years: 0.5 mL Red or Gold top Microtainer
2-10 years: 3 mL Red top Vacutainer tube

Light Green (Li-Heparin) or Lavender (EDTA) top tubes are NOT acceptable
Collection Information: Minimum volume of fluid required is 100 ÁL.

Minimum volume of serum required is 100 ÁL.

Test only available to Dr. Brian Rotenberg, Dr. Neil Duggal, Dr. Sandrine DeRibaupierre, Dr. Keith MacDougall, Dr. Leigh Sowerby, Dr. Lorne Parnes or Dr. Sumit Agrawal. LHSC/SJHC physicians not included in this list or anyone wishing to order beta-2 transferrin testing from a regional hospital other than LHSC/SJHC will require approval by Dr. Angela Rutledge (ext. 77626) or on the on-call biochemist prior to ordering the test.
Test Schedule: Monday - Friday
Turnaround time from when specimen
is received in testing laboratory:
2 days
Reference Range: Negative
Effective Date: 2012-04-12
Revised Date: 2020-08-20
Critical Value:  
Interpretive Comments:  
Special Processing:  
Comments: Based on consultation with Dr. Rotenberg, it has been decided to limit the collection frequency to ≥ 4 weeks for repeat testing. If beta-2 transferrin testing is ordered and it has been ≤ 30 days since the collection date of the last sample run, the test will be cancelled.

Both fluid and serum are required for testing. Failure to collect a serum specimen may result in an inconclusive result.
Method of Analysis: Sebia immunofixation electrophoresis
Critical Information Required: Indicate source of fluid (e.g. ear, nose).
Storage & Shipment: Keep fluid refrigerated or on ice packs until delivered to the laboratory. Patients collecting specimen at home should be instructed to keep specimen at refrigeration temperature until transported to the medical facility.
System Codes: 
Referred To:  

Questions? Comments? Contact Laura Gopaul