Micrograms Per Deciliter (mcg/dL)
Some medical tests report results in micrograms per deciliter (mcg/dL). A microgram is one-millionth of a gram. A gram is about 1/30 of an ounce. A deciliter measures fluid volume that is 1/10 of a liter. A liter is a little bigger than a quart of fluid.