Thyrotropin Receptor Antibody, Serum LabCorp

Thyrotropin Receptor Antibody, Serum test is aids in the diagnosis of hyperthyroidism or Graves' disease. Thyrotropin-receptor antibody is an autoantibody to the thyroid cell receptor for thyroid-stimulating hormone (TSH). It can be demonstrated in 90% of patients with Graves' disease, and is the cause of the hyperthyroidism related that condition.

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.

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