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). TSH levels affect your metabolism, weight, and body temperature. Low TSH may suggest hyperthyroidism, while high levels point to hypothyroidism. 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. Know the normal range of TSH, T3 & T4 for males, females & children. Learn how to read thyroid test reports and what abnormal results mean.
