Thyroxine (T4) and Thyroid-stimulating Hormone (TSH) Labcorp test 024026

This test measures levels of Thyroxine (T4), a hormone made by your thyroid gland, and Thyroid-stimulating Hormone (TSH), which signals the thyroid to work. It helps show how well your body regulates energy and metabolism, often used to investigate symptoms like fatigue or unexplained weight changes.