An international unit is an arbitrary amount of a substance agreed
upon by scientists and doctors. A milliliter is a measure of volume that is
equal to one-thousandth of a liter (or slightly less than a quarter of a
Some medical tests report results using international units (IU)
per milliliter (mL).
Anne C. Poinier, MD - Internal Medicine & Thomas M. Bailey, MD - Family Medicine
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.