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T3 Total (triiodothyronine)

A Total T3 (triiodothyronine) blood test measures both the bound and free forms of the T3 hormone circulating in your blood to help evaluate how well your thyroid is working
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  • Sample type: Stool water
  • Preparation: You must activate, collect, and ship back on the same day (must be a weekday). More details
  • Test type: Home Collection Kit

About the Test

A Total T3 (triiodothyronine) blood test measures both the bound and free forms of the T3 hormone circulating in your blood to help evaluate how well your thyroid is working



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