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Serum25-hydroxyvitaminD(25(OH)D)concentrationthresholdsforvitaminDdeficiency, insufficiency, andsufficiency developed by the Institute of Medicine (IOM),38 the Scientific Advisory Committee on Nutrition (SACN),13 the European Food Safety Authority (EFSA),53 and the Endocrine Society.54 Dashed lines are shown for 25(OH)D ranges in which the consensus group did not make a direct statement regarding vitamin D deficiency, adequacy, or risk of harm.
