Free T4 and T3 tests
WFM98273wfm2020-07-07T16:16:20-04:00The normal level of free T4 is between .9 and 1.8 nanograms per deciliter. T3 should be between 240 and 450 picograms per deciliter.
The normal level of free T4 is between .9 and 1.8 nanograms per deciliter. T3 should be between 240 and 450 picograms per deciliter.
Ideal level for TSH is 1 – 1.5 milli-international units per liter.