Normal: Normal levels of total T4 are 4.5 to 12.5 so your test is normal. A better measure is free T4 so if you are having hypothyroid symptoms like fatigue, constipation, weight gain, hair changes then it would be good to have your doctor check the free T4.
Answered 11/6/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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2 doctors weighed in across 2 answers
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