Before revision: Code black: bomb threat Code Blue: cardio/respiratory arrest, choking, or other life-threatening emergency Code brown: hazardous substance spill/release Code census: emergency department overcrowding Code green precautionary: evacuation (precautionary) Code green stat: evacuation (crisis) Code grey: external air exclusion/shelter in place Code orange: external disaster/reception of mass casualties Code pink: pediatric emergency and/or obstetrical emergency Code red: fire Code silver: person with a weapon Code white: violent person/situation Code yellow: missing patient/client Ontario In Ontario, a standard emergency response code set by the Ontario Hospital Association is used, with minor variations for some hospitals.
After revision: Code black: bomb threat Code Blue: cardio/respiratory arrest, choking, or other life-threatening emergency Code brown: hazardous substance spill/release Code census: emergency department overcrowding Code green precautionary: evacuation (precautionary) Code green stat: evacuation (crisis) Code grey: external air exclusion/shelter in place Code orange: external disaster/reception of mass casualties Code pink: pediatric emergency and/or obstetrical emergency Code red: fire Code silver: person with a weapon Code white: violent person/situation Code yellow: missing patient/client Ontario In Ontario, a standard emergency colour code system is(OHA) set by the Ontario Hospital Association is used, with minor variations for some hospitals.