Sample type: Fluid

Test name: Asialotransferrin a.k.a. Beta 2 Transferrin, Tau Protein

Condition / Indication: CSF leak

Special precautions & notes: 0.5ml fluid in question (universal). This must be a free flowing fluid, samples with total protein levels of >30g/l will be rejected. 0.5ml serum (SST) - Serum sample is desirable but not essential.

Reference range: Positive or Negative

Container: Serum (Gold top) and Universal (white top)

Ideal volume (mL): see notes

Referred outside NBT for analysis? No

Discipline: Immunology

Section: Immunochemistry/Proteins

Turnaround time: 3 working days

Method:

Immunofixation

Further information: UK NEQAS CSF for Beta 2 Transferrin