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Test ID: THYRO    
Thyrotropin Receptor Antibody, Serum

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Useful For Suggests clinical disorders or settings where the test may be helpful

Recommended first-line test for detection of thyrotropin receptor (TSHR) antibodies, and used in the following situations:

-Differential diagnosis of etiology of thyrotoxicosis in patients with ambiguous clinical findings and/or contraindicated (eg, pregnant or breast-feeding) or nondiagnostic thyroid radioisotope scans

-Diagnosis of clinically suspected Graves disease (eg, extrathyroidal manifestation of Graves disease include endocrine exophthalmos, pretibial myxedema, thyroid acropachy) in patients with normal thyroid function tests

-Determining the risk of neonatal thyrotoxicosis in a fetus of a pregnant female with active or past active Graves disease

-Differential diagnosis of gestational thyrotoxicosis versus first trimester manifestation or recurrence of Graves disease

-Assessing the risk of Graves disease relapse after antithyroid drug treatment

Method Name A short description of the method used to perform the test

Electrochemiluminescence Immunoassay

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Thyrotropin Receptor Ab, S

Aliases Lists additional common names for a test, as an aid in searching

Antibodies to TSH receptor
Inhibitory Immunoglobulin
Long-Acting Thyroid Stimulator (LATS)
TBII (TSH-Binding Inhibiting Immunoglobulin)
Thyroid-Stimulating Hormone Receptor (TSH Receptor) Antibody
TRAb (Thyrotropin Receptor Antibody)
TSH (Thyroid-Stimulating Hormone) Receptor Binding
TSH Binding Inhibition Index
TSH Receptor (Thyroid-Stimulating Hormone Receptor) Antibody
TSH-Binding Inhibiting Immunoglobulin (TBII)
Graves Disease