Every hospital or clinic has its own system for disseminating information about emergencies, and lots of them seem to use the term “Code” plus a color or number to signify exactly what kind of emergency is occurring. I know “Code Red” and “Code Blue” are both terms that are sometimes used to refer to a cardiopulmonary arrest, but other types of emergencies (for example bomb threats, terrorist activity, child abductions, or mass casualties) may be given “Code” designations too.
Read this next