Specimen Requirements
Title
THYROTROPIN RECEPTOR AB (TBII or TRAb)
Specimen Requirement
Collect SST or red top, send 1 mL serum refrigerated. If a red top is used, transfer separated serum to a plastic transport tube and indicate sample type on the tube.
Methodology
Electrochemiluminescence immunoassay (ECLIA)
Stability
Room temp: Unacceptable, Refrigerated: 6 days, Frozen: 12 weeks
Reference Range
By Report*
Turnaround
1-3 days
Clinical Use
Diagnosis of hyperthyroidism and Graves’ disease
Test Code
THRW