Image for T4 (TOTAL)

T4 (TOTAL)

Total T4 measures all of the thyroxine hormone in your blood, including both the part attached to proteins (bound) and the part floating freely.
Read More
  • 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

Total T4 measures all of the thyroxine hormone in your blood, including both the part attached to proteins (bound) and the part floating freely.



We use cookies to ensure you get the best experience on our website. By continuing to use our site, you accept our use of cookies. Learn more.