Types of Thyroid Exams
It measures the activity of T3 or free t3 hormones, which are hormones circulating in the blood. And the hormone T4 works together to measure these 2 hormones. Is there an abnormal function? Because T3 and T4 are responsible for converting nutrients into energy for the body primarily.
The hormone triiodothyronine produced by the thyroid gland as well The normal value is about 1.4-4.4 pg/dL, so 3.18 ng/dl is considered normal.
It is a T4 independent thyroid hormone that is not bound to proteins.