Drug Amount Excreted Unchanged in Urine is usually measured using the Microgram per Liter[μg/L] for Density. Kilogram per Cubic Meter[μg/L], Kilogram per Cubic Centimeter[μg/L], Gram per Cubic Meter[μg/L] are the few other units in which Drug Amount Excreted Unchanged in Urine can be measured.