If a doctor is concerned about your thyroid function, they may recommend a series of blood tests. These tests are used to identify levels of hormones produced in the thyroid. You may also be able to ...

Thyroxine (T4) is the main hormone your thyroid makes. Your thyroid hormones are important because they control how your body uses energy from the food you eat. (Photo Credit: iStock/Getty Images) T4 ...

Thyroid level tests, including the TSH test, help doctors diagnose thyroid conditions, including hypothyroidism or hyperthyroidism. Treatment may include hormones or other medications. The thyroid is ...

A blood test can check the amount of hormones that your thyroid is making. Many factors can affect these levels. (Photo credit: Jarun011/Dreamstime) A TSH test is done to find out if your thyroid ...

RADIOIODINE (I131) has been used extensively in the diagnosis of thyroid disorders, and many tests have been developed. 1–3 Most of these tests are based on two aspects of thyroid activity: the ...