Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...

Medically reviewed by Kelly Wood, MD Key Takeaways High TSH levels can mean you have an underactive thyroid or a pituitary gland tumor.Low TSH levels can mean you have an overactive thyroid or issues ...

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 ...

Earlier this fall, Medscape Medical News spoke to endocrinologists Angela M. Leung, MD, and Karen Tsai, MD, on how to interpret abnormal results of thyroid hormone tests. To address some additional ...

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 ...

There is no evidence to link mildly elevated thyroid-stimulating hormone (TSH) levels to an increase in mortality among the elderly, according to a recent study. The findings suggest that reflexively ...

Planning a pregnancy? Don’t skip TSH testing. Dr Gupta explains how even mild thyroid imbalance can affect fertility and pregnancy outcomes.