Total T4, Free T4 By Equilibrium Dialysis, and TSH.
Panel includes a Total T4, free T4 by Equilibrium Dialysis (FT4 ED), and Thyroid Stimulating Hormone (TSH).
Interferences: T4 evaluation can be affected in a hemolyzed or moderately lipemic sample. Lipemia can falsely decrease T4 results. Lipemia can falsely elevate TSH results.