calculated serum osmolality
Definition: the calculation of serum osmolality from serum sodium, glucose, and urea nitrogen values by a variety of formulae, the most common of which is: 1.86 × [Na] (mmol/L + glucose (mg/dL)/18 + BUN (mg/dL)/2.8.
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.