Milliequivalents Per Liter (mEq/L)

Some medical tests report results in milliequivalents per liter (mEq/L).

  • An equivalent is the amount of a substance that will react with a certain number of hydrogen ions. A milliequivalent is one-thousandth of an equivalent.
  • A liter measures fluid volume. It is a little bigger than a quart.

Current as of: August 21, 2015

Author: Healthwise Staff

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