ANTI THYROID PEROXIDASE ANTIBODY; ANTI TPO

What this test checks

Detects antibodies against thyroid peroxidase — the main marker of autoimmune thyroid disease.

Why do people get this test?

Standard test in evaluating underactive thyroid or family history of thyroid problems.

When you should consider this test

• Hypothyroidism diagnosis
• Family history of thyroid disease
• Subclinical thyroid problems

How to prepare

No fasting needed.