Medical waste, also known as Regulated Medical Waste (RMW), which may include Other Potentially Infectious Materials (OPIM) definitions may vary by state. Typically, RMW refers to waste that is saturated with or include liquid or semi-liquid blood and some body fluids, contaminated sharps and pathological wastes.
In dental practices, RMW may include sharps for disposal, contaminated gauze, dental bibs, or personal protective equipment that is saturated with blood or OPIM.