Test & Collection Guide

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Anti-Thyroid Peroxidase Antibodies

Alternate names:
Anti-Thyroid Microsomal Antibodies, Anti-TPO Antibodies
Test Code:
Specimen types:
Container types:
Plain Tube with gelPlain Tube with gel
Collection Instructions:
Transport specimen at Room Temperature to lab
Sample haemolysis may make this test unreportable
Minimum Adult Volume:
2 mL
Paediatric Minimum Volume:
1 mL
Twice weekly
Result Turnaround Time:
4 days
Reference Interval:

<34 IU/mL

Laboratory Use Only
Storage Instructions:

Thyroid Peroxidase (TPO) has been cloned from thyroid microsomes and identified as the primary antigen in 'Anti-Thyroid Microsomal Antibodies'

Levels are elevated in almost all cases of Hashimoto's thyroiditis and in the majority of Graves' disease patients (Anti-TSH Receptor Antibody is more specific for Graves' disease)