Thyroid Antibodies (Thyroid Peroxidase Antibody)
Immunology
Sample and container requirements
Serum, EDTA plasma Li hep Plasma
Minimum volume required
4 ml Blood
Special requirements
None
Patient preparation
None
Sample viability
Stored at 4oC
Turnaround time
3 days
Reference range
< 5.61U/mL - Negative > 5.62 <30 IU/mL - Equivocal >30 IU/mL - Positive
Clinical guidance
https://labtestsonline.org.uk/tests/thyroid-antibodies
Notes
Images to go here
This information was last updated on 17 August 2026