Thyroid-Binding Inhibitory Immunoglobulins
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Thyrotropin receptor antibodies, thyrotropin-binding inhibitory immunoglobulin, TBII, TRAb (TSH receptor antibodies).
To assist in diagnosing Graves’ disease related to thyroid function.
Serum collected in a red-top tube.
(Method: Radioreceptor assay) Less than 17% of basal activity.