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TRAB / THYRO-M
THYROTROPIN RECEPTOR ANTIBODY, SERUM

Test Code TRAB / THYRO-M 
Test THYROTROPIN RECEPTOR ANTIBODY, SERUM 
Methodology Electrochemiluminescence Immunoassay (ECLIA) 
Description This assay may be used to distinguish Graves' disease from toxic nodular goiter, provides similar information as the thyroid-stimulating immunoglobulin test but requires less serum and has a shorter turnaround time, and may be useful in monitoaring the efficacy of antithyroid drug therapy to predict the likelihood of disease remission. 
Specimen Draw blood in a plain, red-top tube or serum gel tube. Spin down and send 1.0 mL (minimum: 0.25 mL) of serum refrigerated in a plastic vial.

PRECAUTIONS: This test should not be requested on patients who have recently received radioisotopes therapeutically or diagnostically. 

Reference Values < or =1.75 IU/L 
Analytic Time 1 Day 
Day(s) Test Set Up Monday, Wednesday, Friday 
CPT Code(s) 83520