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Thyroid-stimulating Immunoglobulin (TSI) Blood Test

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$145.00

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Second-order testing for autoimmune thyroid disease.
Test #140749

Thyroid-stimulating Immunoglobulin (TSI) Blood Test

Additional Info

Also Known As Human Thyroid Stimulator (HTS), Long-acting Thyroid Stimulator (LATS), Thyretain™, Thyroid-stimulating Antibody (TSAb), TSI
Preparation No Fasting Required.
Test Type Blood
Test Results 6-7 Days

Details

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

The laboratory tests most helpful for the diagnosis and monitoring of patients with Graves’ disease include the Free T4 (FT4), Free T3 (FT3), TSH test, and TSI test.

Thyroid-stimulating immunoglobulins (TSI) can be detected in the majority of patients (77.8%) with Graves' disease. These antibodies have also been associated with a small portion (15.9%) of patients with toxic multinodular goiter.  It has also been reported that TSI measurement can be used to predict relapse or remission when methimazole or radioiodine is used to treat Graves' disease. These assays have also been advocated for use in patients with subclinical Graves' hyperthyroidism or patients with unilateral ophthalmopathy.

Additional Info

Also Known As Human Thyroid Stimulator (HTS), Long-acting Thyroid Stimulator (LATS), Thyretain™, Thyroid-stimulating Antibody (TSAb), TSI
Quick Overview Second-order testing for autoimmune thyroid disease.
Preparation No Fasting Required.
Test Type Blood
Test Results 6-7 Days
Retail Price $324.00
Meta Keywords No
Meta Description Thyroid-stimulating Immunoglobulin (TSI) hormone test is a blood test that screens for multiple autoimmune thyroid diseases.