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Hyperthyroidism - Diagnosis

​​Hyperthyroidism is diagnosed with blood tests that measure Thyroxine (T4) and Thyroid Stimulating Hormone (TSH). Readings that show high T4 levels and low TSH are signs of hyperthyroidism. Where required, our doctors may prescribe other tests. 

Picture showing thyroid receptor antibody (TRAb) stimulating the thyroid, causing the overproduction of thyroid hormone (T4)

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth