Tau (Beta 2 Transferrin) (CSF)
Clinical Biochemistry
Sample and container requirements
Nasal or ear secretion
Minimum volume required
1 mL nasal or ear secretion
Special requirements
Requests from outside Sheffield: transport at ambient temperature via Royal Mail or Courier.
Patient preparation
None
Sample viability
Turnaround time
14 days
Reference range
Please refer to report for reference ranges.
Clinical guidance
Please note, this test is for ?CSF requests only, for Phospho Tau/Beta Amyloid, please see CSF Alzheimer's Markers. Please follow the link below to the referral laboratory website for more information: https://sheffieldlaboratorymedicine.nhs.uk/search-test.php?search=3101
Notes
Sent to Sheffield Protein Reference Unit
Images to go here
This information was last updated on 19 August 2026