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Individual test · Labcorp 006676

Thyroid Peroxidase (TPO) Antibodies

This test measures thyroid peroxidase (TPO) antibodies, which are proteins the immune system creates that mistakenly attack the thyroid gland. It helps show whether thyroid symptoms, such as fatigue or weight changes, are caused by an autoimmune reaction. This measurement assists doctors in distinguishing between autoimmune thyroid diseases, like Hashimoto’s disease, and other types of thyroid issues. However, the presence of these antibodies does not measure actual thyroid hormone levels or confirm a specific diagnosis on its own.

Included in these panels

Ordering one of these? Thyroid Peroxidase (TPO) Antibodies is already part of it.

How ordering works

  1. 1

    Review the order and pay on Picardo. Your account is set up as you check out.

  2. 2

    A licensed physician reviews the order and decides whether to authorize it.

  3. 3

    Give blood at a Labcorp location, or book an at-home draw for $75.00.

  4. 4

    Your results arrive in your Picardo account.

For adults 18+ in the US. Lab orders aren’t available in New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii or Maine.