The thyroid function test is a series of blood tests done in order to examine the proper working mechanism of the thyroid glands. Here we have all types of thyroid tests.
TSH test helps to diagnose a condition called subclinical hypothyroidism which doesn’t pose any outward signs and symptoms.
The T3 test is done to determine if the thyroid produces too much thyroid hormone or pituitary gland produces doesn’t produce a normal number of pituitary hormones.
T4 test measures the blood level of the hormone T4 known as thyroxine and also helps control metabolism and growth.