TSH Receptor Antibodies

Sample: Frozen Serum

Schedule: Friday every two weeks

Units: U/L

Range:         < 1.0 Negative

               1.0 - 1.5 Borderline

                    > 1.5 Increased

Remarks: Thyrotrophin Receptor Antibodies (TR-AB), also called TSI (Thyroid Stimulating Immunoglobulin) is a term used for all antibodies that recognise the receptor for Thyroid-Stimulating Hormone (TSH). These antibodies can be detected in about 90% of patients with hyperthyroidism due to Graves disease and play a major role in the pathogenesis of this disease.


Available tests