Thyroid Profile: T4, FT4ED, TSH

Test Code
SA380
Results:
1-3 days
Component
T4, FT4ED, TSH
Specimen
1.5 mL serum in red top, white top, or serum separator tube
Test Description
This thyroid screening panel includes Total T4, Free T4 by Equilibrium Dialysis (FT4ED), and Thyroid Stimulating Hormone (TSH).