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?
The most common cause of hypothyroidism (underactive thyroid). 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. A level of 9 IU/mL falls well within
Doctors usually order this test to help diagnose or rule out autoimmune thyroid conditions: thyroid peroxidase level 9
Most labs define a normal TPO result as anything between 0 and 34 IU/mL .
