TSI (Thyroid Stimulating Immunoglobulin)

TSI (Thyroid Stimulating Immunoglobulin) is a test used for diagnosing Graves’ disease – a classic form of hyperthyroid disease, affecting approximately 0.4% of the population of the United States. It is caused by IgG immunoglobulins, collectively known as thyroid stimulating immunoglobulins (TSI). This test can be used to predict relapse or remission of Graves’ Disease. 30551 Expect results in 5-7 business days. Preparation: This is a non-fasting blood test.

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