2 doctors weighed in:

Normal range for anti-TPO levels?

2 doctors weighed in
Dr. Edward Kuhnley
Pediatrics - Psychiatry
1 doctor agrees

In brief: Positive anti-TPO or

Anti-thyroid peroxidase antibodies means antibodies are present which act against thyroid cells leading to hypothyroidism.
Mayo clinic cites that values >9.0 iu/ml as generally associated with autoimmune thyroiditis, but elevations are also seen in other autoimmune diseases. Other labs may differ so it is important to speak with physician regarding lab result interpretation.

In brief: Positive anti-TPO or

Anti-thyroid peroxidase antibodies means antibodies are present which act against thyroid cells leading to hypothyroidism.
Mayo clinic cites that values >9.0 iu/ml as generally associated with autoimmune thyroiditis, but elevations are also seen in other autoimmune diseases. Other labs may differ so it is important to speak with physician regarding lab result interpretation.
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