What is the free t3 (triiodothyronine) test? Why is the test done? Everything around this, that you should know, in this post and of course our doctors are always there to help you. Just fill in your details in the form down below and we will answer all your questions for FREE!
This is a test that measures free T3 in the blood. T3 is a hormone made by a gland situated in the throat called the thyroid gland. T3 is found in two forms I.e., bound which attaches to proteins and free form which does not get bound to anything. So, the test measuring both free and bound T3 is known as the total T3 test whereas the test measuring free T3 is called the free T3 test.
Other names include:
T3 and T4 (thyroxine) regulate the body’s functions and control how energy is being used in the body. They control body temperature, body weight, nervous system and muscle strength.
It is done if the following symptoms are present:
It is often used to diagnose conditions of the thyroid gland, usually to diagnose hyperthyroidism.
There is no preparation needed before the test but there are certain medications that can affect the T3 levels, so these must be stopped for a while before the test.
For more information, you can visit Wiley and NCBI.
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** The text on this website is sourced from websites like emedicine and/or other verified material by government agencies around the globe along with valuable inputs and additions by our team. The content of this page is proofread and updated by the team of doctors, every once in a while, to provide the most accurate information.
