TPO Antibodies, Serum
Thyroid Peroxidase Autoantibodies
THYROID MICROSOMAL AB
Thyroperoxidase Ab, Serum
Thyroid Peroxidase Antibodies
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Autoantibodies to thyroid peroxidase (TPO), which is the major antigen of thyroid microsomes, can be detected in the serum of patients with autoimmune thyroid disease (e.g., Hashimoto, Graves) and predict elevated serum TSH concentrations.
< 30 U/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.