Thyroid Peroxidase Antibody
Thyroid peroxidase antibody (TPOAb) is associated with autoimmune thyroid disease, particularly Hashimoto’s thyroiditis and Graves’ disease.
Why a doctor may order this
To diagnose autoimmune thyroid disease and assess risk of hypothyroidism.
Why you may need this
If underactive thyroid or autoimmune thyroid disease (Hashimoto) is suspected — antibody that attacks the thyroid.
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