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 ...
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 ...