Diagnostic finding

Anti-TPO

Autoantibodies directed against thyroid peroxidase, a key enzyme in thyroid hormone synthesis. Their detection in serum is a marker of autoimmune thyroid disease.

Causes

  • Hashimoto thyroiditis

  • Graves disease

  • Postpartum thyroiditis

  • Type 1 diabetes

  • Rheumatoid arthritis

  • Pernicious anemia

Also known as: Anti-thyroid peroxidase antibody, Antithyroid peroxidase antibody, Thyroid peroxidase antibody, TPOAb

Referencing diagnoses

Note: Lists existing diagnoses in Diagnotize only.