T3 uptake blood test
The T3 uptake blood test is used to assess thyroid function. It measures the amount of available binding sites on proteins in the blood that can bind to triiodothyronine (T3), one of the thyroid hormones.
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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