TPO Antibodies (Thyroid Peroxidase)

TPO Antibodies (Thyroid Peroxidase) is a thyroid function biomarker that Antibodies that indicate autoimmune thyroid disease The normal reference range is <35 IU/mL, Negative:<9 IU/mL. Regular testing helps track changes and identify potential health issues early.

4 out of 10 major blood testing providers include TPO Antibodies (Thyroid Peroxidase) in their standard panels. These include Superpower, Mito Health, Function and others.

For most people, testing TPO Antibodies (Thyroid Peroxidase) 2-4 times per year is recommended to establish baseline levels and track trends. If you have abnormal results or are actively working to optimize this biomarker, more frequent testing (quarterly) may be beneficial. Always consult with your healthcare provider for personalized testing frequency recommendations.

The standard laboratory reference range for TPO Antibodies (Thyroid Peroxidase) is <35 IU/mL, Negative:<9 IU/mL. However, many functional medicine practitioners recommend tighter "optimal" ranges for peak health and performance. Your ideal range may vary based on your age, sex, health goals, and other individual factors. Work with a healthcare provider familiar with optimal ranges to determine your target levels.

Most direct-to-consumer blood testing services that include TPO Antibodies (Thyroid Peroxidase) provide the physician order as part of their service. However, some states have restrictions on direct-to-consumer testing. Check with your chosen provider about availability in your state and whether they provide the necessary physician authorization.

Elevated in Hashimoto's thyroiditis and Graves'disease. Helps diagnose autoimmune thyroid disorders. Predicts progression to hypothyroidism.