Might be.: The normal range for tsh, as far as i know, is 0.4 to 5.0 mu/l. The national academy of clinical biochemistry (nacb) said it expects it to be lowered to 0.4–2.5, because of research showing if TSH level is over 2.0 there is an increased odds ratio of hypothyroidism over 20 years, especially if thyroid antibodies were increased. But you're on levo so see dr. For free t4/thyroid panel to see if ok.
Answered 6/10/2014
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