Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

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.

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