Thyroid-Stimulating Immunoglobulin (TSI), Serum
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Second-order testing for autoimmune thyroid disease, including:
-Differential diagnosis of etiology of thyrotoxicosis in patients with ambiguous clinical signs and/or contraindicated (eg, pregnant or breast-feeding) or indeterminate thyroid radioisotope scans
-Diagnosis of clinically suspected Graves disease (eg, extrathyroidal manifestations of Graves disease: endocrine exophthalmos, pretibial myxedema, thyroid acropachy) but normal thyroid function tests
-Determining the risk of neonatal thyrotoxicosis in a fetus of a pregnant female with active or past Graves disease
-Differential diagnosis of gestational thyrotoxicosis versus first trimester manifestation or recurrence of Graves disease
-Assessing the risk of Graves disease relapse after anti-thyroid drug treatment
A combination of TSI / Thyroid-Stimulating Immunoglobulin (TSI), Serum and THYRO / Thyrotropin Receptor Antibody, Serum is useful as an adjunct in the diagnosis of unusual cases of hypothyroidism (eg, Hashitoxicosis).
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
LATS (Long-Acting Thyroid Stimulator)
Long-Acting Thyroid Stimulator (LATS)
Thyroid Receptor Antibody
Thyroid Stimulating Antibody
TSH Receptor Binding Inhibitory Immunoglobulin
TSI (Thyroid-Stimulating Immunoglobulin)