Milliosmoles Per Kilogram of Water (mOsm/kg Water)

Some medical tests report results in milliosmoles per kilogram (mOsm/kg) of water.

An osmole is an amount of a substance that contributes to the osmotic pressure of a solution. A milliosmole is one-thousandth of an osmole.
A kilogram is about 2.2 pounds.

Last Revised: April 17, 2012

Medical Review: Anne C. Poinier, MD - Internal Medicine & Thomas M. Bailey, MD - Family Medicine

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