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A level of 9 IU/mL falls well within this range, suggesting that your immune system is not currently attacking your thyroid gland. Why Is the TPO Test Done? thyroid peroxidase level 9
The Thyroid Peroxidase antibody test measures the amount of antibodies your immune system produces against an enzyme (TPO) found in the thyroid gland. This is for informational purposes only
While a level of 9 is normal, it should be interpreted alongside other thyroid markers: Learn more A level of 9 IU/mL falls
These are the primary markers for thyroid function. If these are normal, a normal TPO level generally confirms healthy thyroid health.
Most labs define a normal TPO result as anything between 0 and 34 IU/mL .