Clarilab

Thyroid

Anti-TPO antibodies test

Also called TPO, thyroid antibodies

Antibodies against the thyroid gland.

Typical range
Below about 35 IU/mL.

Why it's done

Finds autoimmune thyroid disease (Hashimoto's). Useful when TSH is borderline or when planning pregnancy.

What a high result can mean

Autoimmune thyroiditis; the thyroid may become underactive over time.

Got a report with Anti-TPO antibodies?

Upload the PDF to Clarilab: it reads the values in your browser, flags anything out of range and tracks your results over time.

Try Clarilab free How it works

Included in these checkups

Thyroid

More thyroid tests

TSHThe brain's signal to the thyroid. It moves opposite to thyroid hormone. Free T4The active, unbound form of the main thyroid hormone. Free T3The most active thyroid hormone. T3 (total)Total T3 hormone, bound and free. T4 (total)Total thyroxine, bound and free.