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International units per liter (IU/L)

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

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An international unit is an arbitrary amount of a substance agreed upon by scientists and doctors; a liter is a measure of volume that is slightly greater than a quart.

Some medical tests report results using international units (IU) per liter (L).

Author:Jeannette Curtis
Caroline Rea, RN, BS, MS
Medical Review:
Last Updated: 05/25/2007