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While a level of 9 is normal, it should be interpreted alongside other thyroid markers:
If you are experiencing symptoms like fatigue, weight changes, or hair loss despite a normal TPO result, your doctor may look for non-autoimmune causes or monitor your levels over time. thyroid peroxidase level 9
An autoimmune cause of hyperthyroidism (overactive thyroid). Next Steps and Considerations
The most common cause of hypothyroidism (underactive thyroid). This is for informational purposes only
Doctors usually order this test to help diagnose or rule out autoimmune thyroid conditions:
Are you experiencing any that led to this test, or are you also looking for info on TSH levels ? Learn more While a level of 9 is
Most labs define a normal TPO result as anything between 0 and 34 IU/mL .