Total T3 blood test

The total T3 blood test measures the concentration of total triiodothyronine (T3) hormone in the bloodstream. T3 is one of the two primary thyroid hormones produced by the thyroid gland. It plays a crucial role in regulating metabolism, growth, and development. This test helps evaluate thyroid function and can aid in diagnosing conditions such as hyperthyroidism or hypothyroidism. It is often performed alongside other thyroid function tests, such as TSH and free T4, to obtain a comprehensive assessment of thyroid health.
This page is designed solely for educational purposes and does not constitute medical advice. If you have any concerns regarding your health, we strongly encourage you to consult with your healthcare provider. Please refrain from using this information for self-diagnosis, and always seek guidance from qualified healthcare professionals. In case of a medical emergency, please call 911 or visit the nearest hospital or urgent care facility.

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