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Precision Medicine
FREE THYROXINE INDEX
What you need to know about study FREE THYROXINE INDEX
What is this study and what is it for?
Estimate of the amount of circulating free thyroxine (free thyroxine index) using total thyroxine and thyroid binding capacity (T uptake).
What type of sample is needed?
Serum or plasma
Preparation / Instructions
4-hour fast, Includes determination of Total T4
Delivery time
8 hours
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The information published on this site is for informational and educational purposes. It is not a substitute for medical consultation, professional diagnosis, or treatment prescribed by a specialist. If you have any questions regarding symptoms, test results, or laboratory studies, please consult your doctor.