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Milliunits per liter (mU/L)

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By Jeannette Curtis; Caroline Rea, RN, BS, MS

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Some medical tests give results in milliunits per liter (mU/L).

  • A unit is a standard of measurement, and a milliunit is one-thousandth of a unit.
  • A liter is a measure of volume that is a little bigger than a quart of fluid.
Author:Jeannette Curtis
Caroline Rea, RN, BS, MS
Medical Review:
Last Updated: 05/25/2007