What is TSH?
TSH is a hormone that controls the amount of T4, or thyroxine, produced by the thyroid gland.
Why would I get a TSH Test?
A TSH Test is an initial screening test for thyroid dysfunction.
What does an abnormal TSH Test level mean?
A low TSH suggest hyperthyroidism, or high thyroid activity. A high TSH number suggests hypothyroidism, or low thyroid activity.
What type of specimen will I submit?
This TSH Test is a blood test.
Do I need to fast to take this test?
Fasting is not necessary.
How long does it take to get test results?
It typically takes 4 business days or less.