ARUP's Laboratory Test Directory

Thyroid Stimulating Hormone Receptor Antibody (TRAb) : 0070144

Mnemonic: TRAB

Methodology: Radioimmunoassay
Performed: Mon, Thu, Sat
Reported: 1-3 days
Specimen Required: Collect:  One 4 mL serum separator tube.

Transport:  1 mL serum, frozen. (Min: 0.15 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.15 mL serum, frozen.

Unacceptable Conditions:  Plasma.

Stability:  Stability: After separation from cells: Ambient: 24 hours; Refrigerated: 3 days; Frozen: 3 months
Reference Interval:
Negative - 9% or less 
Indeterminate - 10-15%
Positive - 16% or greater
Interpretive Data: TSH Receptor Antibodies are measured in this assay by the thyrotropin binding inhibiting immunoglobulin technique (TBII). Results are reported as percent inhibition of TSH binding.

Positive results are consistent with autoimmune thyroid disease.
CPT Code(s): 83519
 
 

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org