Medically reviewed by Kelly Wood, MDKey TakeawaysThyroid blood tests help figure out how well your thyroid gland is working.TSH helps the thyroid gland know when to make more thyroid hormones. Free 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 ...

Keeping an eye on your thyroid-stimulating hormone (TSH) levels is key to catching any signs of thyroid dysfunction early on. That's because an underactive thyroid (hypothyroidism) or overactive ...

To assess thyroid function, clinicians typically determine blood levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) and do not directly measure triiodothyronine (T3). However, findings ...

If you suffer from a thyroid disorder, you’ve most likely had your TSH levels tested, maybe even more than once. Perhaps you’re even taking medication, yet you’re still suffering from symptoms of low ...

Thyroid-stimulating hormones (TSH) help regulate your body’s production of thyroid hormone. High TSH levels mean your thyroid is underperforming, while low levels mean you’re producing too much. Your ...

A News 9 viewer has a question for Dr. Lacy Anderson about their recent thyroid labs. They tell us their thyroid stimulating hormone is low, but their doctor lowered their thyroid medication dosage, ...

The conventional laboratory approach to verifying an analyte concentration such as dilution may not always detect an interference problem. Since methods vary in their susceptibility to most ...

Dear Dr. Roach: I am a 71-year-old female in very good health. I have been taking a thyroid replacement since I was 12 years old. I currently take 125 mcg of thyroxine once daily, as well as 60 mg of ...

Original Medicare (parts A and B) and Medicare Advantage (Part C) cover the full cost of a TSH (thyroid-stimulating hormone) test after meeting your deductible. Medicare Part B generally covers two ...