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Tag: Graves’ disease blood tests

August 26, 2026

Graves’ Disease Blood Tests: Why TSH, Free T4, T3, and TRAb/TSI Must Be Read Together

How thyroid hormone patterns and TSH-receptor antibodies help distinguish Graves’ disease from thyroiditis, toxic nodules, and other causes of hyperthyroidism.

Originally published: August 16, 2024 | Substantively updated: August 26, 2026 Graves’ disease is an autoimmune disorder in which antibodies stimulate the thyroid-stimulating hormone receptor and drive the thyroid gland to make too much thyroid […]

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