The TSH blood test measures the amount of TSH in your blood , helping healthcare providers determine whether your thyroid gland is functioning properly. To understand how TSH levels are used to diagnose specific conditions, it’s helpful to first explain two important concepts: positive predictive value (PPV) and negative predictive value (NPV). Learn how TSH levels reflect thyroid function and what factors can influence them. Find out the normal range, causes and effects of high or low TSH , and how to interpret your test results. TSH (thyroid-stimulating hormone) is a hormone that regulates your thyroid function and metabolism. Learn about the causes and effects of high or low TSH levels, how to test them and what normal ranges are for different ages and pregnancy stages. The TSH test measures the level of thyroid-stimulating hormone in the blood , helping diagnose and monitor thyroid conditions. It is essential for identifying hypothyroidism, hyperthyroidism, and other thyroid-related issues.
