Thyroid Stimulating Hormone Receptor Antibody (TRAb)
2002734
Ordering Recommendation
Acceptable testing for autoimmune thyroid disease.
Mnemonic
TR AB
Methodology
Quantitative Electrochemiluminescent Immunoassay
Performed
Sun-Sat
Reported
1-2 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube.  
Specimen Preparation
Allow serum separator to sit for 15-20 minutes at room temperature for proper clot formation. Centrifuge and separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.3 mL)  
Storage/Transport Temperature
Frozen. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Plasma. Grossly hemolyzed or lipemic specimens.  
Remarks
  
Stability
Ambient: 24 hours; Refrigerated: 72 hours; Frozen: 1 month  
Reference Interval
Less than or equal to 1.75 IU/L  
Interpretive Data
Autoimmune thyroid disease may be confirmed when TRAb testing is positive.  
Note
 
CPT Code(s)
83520
Components
Component Test Code*Component Chart NameLOINC
2002735TSH Receptor Antibody5385-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Anti-Thyrotropin
  • Anti-TSHR
  • Antibodies to TSH receptor
  • Inhibitory Immunoglobulin
  • TBII
  • TBII (Thyrotropin-Binding Inhibitory Immunoglobulin)
  • Thyroid Stimulating Immunoglobulin
  • Thyroid-Stimulating Hormone Receptor (TSH Receptor) Antibody
  • Thyrotropin Receptor Antibody
  • TRAb
  • TSH Receptor Antibody
  • TSH Receptor Blocking Antibody