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 ...

A TSH test measures the level of thyroid-stimulating hormone in your blood. Abnormal TSH levels typically indicate a problem with your thyroid, like hypothyroidism or hyperthyroidism. In rare cases, ...

In Sapporo city of Japan, neonatal screening for congenital hypothyroidism has used the measurement of free thyroxine (T4) and thyroid-stimulating hormone (TSH) in the filter-paper blood spot. This ...

A radioactive iodine uptake (RAIU) tests the function of your thyroid gland, which helps regulate your metabolism. It works by measuring how much radioactive iodine is absorbed by the thyroid gland, ...

Seasonal variation in one of the hormones used to monitor thyroid function could in turn lead to false diagnoses of subclinical hypothyroidism and unnecessary prescriptions of levothyroxine, says Yale ...

Mary Hemm did a home hormone test on the cusp of her 29th birthday. She wanted to be proactive about her health. Because of the test results, she was diagnosed with cancer. This as-told-to essay is ...