Micromoles per liter (mcmol/L)

Some medical tests report results in micromoles per liter (mcmol/L).

• A mole is an amount of a substance that contains a large number (6 followed by 23 zeros) of molecules or atoms. A micromole is one-millionth of a mole.
• A liter measures fluid volume. It is a little bigger than a quart.