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Thyroid Laboratory Testing
Understand TSH, thyroid hormones, thyroid antibodies, and other laboratory tests used to assess different aspects of thyroid function and autoimmunity.
TSH is commonly used as an initial thyroid-function test, although additional tests may be appropriate depending on the situation.
What do thyroid antibody tests measure?
Tests such as TPO antibodies and thyroglobulin antibodies detect antibodies associated with autoimmune thyroid conditions; they do not by themselves determine thyroid hormone function.
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