Thyrotropin Binding Inhibitory Immunoglobulins 
Mnemonic TSH REC AB
CPT 83520
Test Code 3502481
Synonyms TSH Receptor Antibody, Thyrotropin Receptor Autoantibody, TRAB, TBII, LATS, Long-Acting Thyroid Stimulator, TSH Receptor Binding Inhibitory Immunoglobulin
Test Includes  
Specimen Serum
Volume 1.0 mL
Container SST or Red Top Tube
Special Instructions No radioisotopes administered 24 hours prior to venipuncture.
Specimen Prep Centrifuge* For Red Top only, transfer serum to Plastic Transport Tube.
Storage Refrigerate
Transport Temp Room Temperature
Stability Rm Temp 48 hours
Stability Refrig 3 days
Stability Frozen 1 month
Methodology Electrochemiluminescence Immunoassay (ECLIA)
Rejection Criteria   
Reference Value 0.00 - 1.75 IU/L 
Performed Three times per week