International Units Per Liter (IU/L)

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).

Current as of: August 21, 2015

Author: Healthwise Staff

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