Use: T3 uptake is an indirect measure of the quantity of thyroxine binding proteins (thyroid binding prealbumin, albumin, and TBG) in plasma. It is directly proportional to the degree of saturation of the binding proteins by thyroxine.
Test Code: 0152
Turnaround Time:2 days
Preferred Specimen:1 mL SST Tube
Storage instruction: Refrigerate