1 - 4 days
Thyrotropin Binding Inhibitory Immunoglobulin
Thyroid Stimulating Immunoglobulin
Thyroid Stimulating Hormone Receptor Antibody
TSH Binding Inhibition Index
Thyrotropin-Binding Inhibition Index
TSH Receptor Antibody
Thyrotropin Receptor Ab
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Electrochemiluminescence Immunoassay (ECLIA)
Used in diagnosis of hyperthyroidism and Graves' disease.
< or = 1.75 IU/L. At a decision limit of 1.75 IU/L, this assay has 97% sensitivity and 99% specificity for detection of Graves' disease. In healthy individuals and in patients with thyroid disease without diagnosis of Graves' disease, the upper limit of anti-TSHR values are 1.22 IU/L and 1.58 IU/L, respectively (97.5th percentiles).
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. This test should not be requested in patients who have recently received radioisotopes, therapeutically or diagnostically, because of potential assay interference.