Peroxidase Level 9 — Thyroid

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.

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

Most labs define a normal TPO result as anything between 0 and 34 IU/mL . If you are experiencing symptoms like fatigue, weight

Laboratory "normal ranges" can vary slightly. You should always compare your result against the specific reference range provided on your lab report. thyroid peroxidase level 9