FLORIDA ENDOCRINOLOGY AND DIABETES CENTER

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Thyroid Labs

Understanding Your Thyroid Lab Results: What do TSH, T3, and T4 Really Mean?

If you’ve ever had blood work done to check your thyroid, you’ve probably seen a confusing list of numbers and abbreviations—TSH, T3, T4, Free T4, sometimes even thyroid antibodies. For many patients, these results raise more questions than answers. What do these values actually mean?Why can you still feel unwell even when your labs look […]