Description
Thyroxine (T4) is one of the two main hormones of the thyroid gland, the main function of which is the regulation of energy and plastic metabolism in the body. Free thyroxine is the biologically active part of total thyroxine, which plays an important role in metabolism.
It is recommended to take the test in the morning hours. To obtain the most informative results, check with your attending physician for the most optimal time to take the analysis.
Period of execution
Within 5 days. The specified time does not include the day of biomaterial collection
Biomaterial type