Normal: 30 -80ng/ml: The normal vitamin d level ranges from 30-80ng/ml (may vary somewhat in different lab). Thus, level less than 30 is considered deficient. I have tested many patients and have never seen anyone having above 65ng/ml--i gues because we generally don't get get enough sun exposure and/or not getting adequate intake from diet. Consult doc. Good luck... Ng=nanogram.
Answered 12/9/2013
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