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A member asked:
What are normal tsh and t4 levels in blood?
A doctor has provided 1 answer
See below: Normal ranges vary from lab to lab and you should check the reference range for your lab. General ranges are given below: tsh: 0.4 - 4.0 miu/l t4: 4.5 – 12.5 for more info see the site below http://thyroid.About.Com/cs/newsinfo/l/bltest_values.Htm.
Answered 12/1/2017
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