Tag Archives: vitamin deficiency

Vitamin D deficiency

Vitamin D deficiency is common and occurs in both adults and children. Vitamin D deficiency  is a serum level of less than 20 ng per ml of 25-hydroxyvitamin D. Vitamin D insufficiency has been defined as a serum level of … Continue reading

Posted in Geriatrics, Internal Medicine, Laboratory Tests | Tagged | Comments Off on Vitamin D deficiency