Description
Determination of free triiodothyronine (T3) levels. In combination with other indicators, it allows assessing the functional state of the thyroid gland.
Free triiodothyronine is the biologically active part of triiodothyronine (thyroid hormone) that is not bound to blood plasma proteins, which regulates the basal metabolic rate, tissue growth, metabolism of proteins, carbohydrates, lipids, and calcium, as well as the activity of the cardiovascular, digestive, respiratory, reproductive, and nervous systems.
It is recommended to take the test in the morning hours. To obtain the most informative results, check with your attending physician for the optimal time to take the test.
Period of execution
Within 4 days. The specified time does not include the day of biomaterial collection
Biomaterial type