FT4
1 Tests Perameter
Sample
Whole Blood Edta
Gender
Both
Age group
Above 10 years
About
This test measures the level of free T 4, or free thyroxine, in your blood. A free T 4 test is used to find out how well your thyroid gland is working. T 4 is 1 of 2 hormones produced by the thyroid, a butterfly-shaped gland in your neck. There are 2 forms of T 4.