THYROXINE-BINDING GLOBULIN (TBG)

<p>1 SST/1.0 mL serum. After 30 minutes of clotting, promptly centrifuge and refrigerate serum</p>

 

Room Temperature Unacceptable, Refrigerated 2 days, Frozen 14 days

By Report*

2 days Performed Mon-Fri

<p>Determine binding capacity for T4; document cases of hereditary deficiency of TBG, in work-up of thyroid disease, particularly in patients with low T4, high T3 (uptake) who clinically seem eumetabolic. Such patients may have hereditary anomalies of TBG and may not require treatment</p>

TBGW