serum free t4 level
Free T4 results are typically evaluated with other thyroid testing results ie TSH and sometimes total or free T3. This includes reflex and additional tests. Pin On Hashimoto S Doctors may refer to this as free T4 FT4. . T4 is considered a reservoir or prohormone for T3 the biologically most active thyroid hormone. So your lab tests may look something like this. Have you seen this before. However after my last blood test I was put back on T4 as my T4 levels were low. Serum T4 T3 free T3 free T4 and TSH were estimated three times weekly for 3-4 weeks. Like total T4 in adults. As your Free T4 level rises because it cant convert to Free T3 it shows up as high levels of Free T4 in the serum. A small proportion 003 is unbound and. TSH. If your T4 test results are not normal your health care provider will likely order more thyroid tests to help make a diagnosis. Free T4 is measured as part of a thyroid function test...