| Code white | violent/behavioural situation |
| Code amber (Code yellow) | missing child/child abduction |
| Code aqua | flood |
| Code black | bomb threat/suspicious object |
| Code blue | cardiac arrest/medical emergency - adult |
| Code brown | in-facility hazardous spill |
| Code green | evacuation (precautionary) |
| Code green stat | evacuation (crisis) |
| Code grey | infrastructure loss or failure |
| Code grey button-down | external air exclusion |
| Code orange | disaster/mass casualty incident |
| Code orange CBRN | CBRN (chemical, biological, radiological, and nuclear) disaster |
| Code pink | cardiac arrest/medical emergency - infant/child |
| Code purple | hostage taking/gang activity |
| Code red | fire |
| Code silver | gun threat/shooter |
| Code yellow | missing person |