International Units Per Liter (IU/L)
Current as of: March 28, 2019
Author: Healthwise Staff
Medical Review:Anne C. Poinier, MD – Internal Medicine & Adam Husney, MD – Family Medicine & Martin J. Gabica, MD – Family Medicine
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).