Thyroid Peroxidase Level 9 -

An autoimmune cause of hyperthyroidism (overactive thyroid). Next Steps and Considerations

These are the primary markers for thyroid function. If these are normal, a normal TPO level generally confirms healthy thyroid health.

While a level of 9 is normal, it should be interpreted alongside other thyroid markers:

Are you experiencing any that led to this test, or are you also looking for info on TSH levels ?

The most common cause of hypothyroidism (underactive thyroid).

A is typically considered normal or "negative" by most laboratories . What Does This Level Mean?