X473-char group
Accidental poisoning by and exposure to carbon monoxide and other gases and vapours
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: carbon monoxide from smoke and fumes due to fire and flames (X00-X09) metal fumes and vapours (X49)
Codes within X47
X47.0Accidental poisoning by and exposure to carbon monoxide from combustion engine exhaustX47.1Accidental poisoning by and exposure to carbon monoxide from utility gasX47.2Accidental poisoning by and exposure to carbon monoxide from other domestic fuelsX47.3Accidental poisoning by and exposure to carbon monoxide from other sourcesX47.4Accidental poisoning by and exposure to carbon monoxide from unspecified sourcesX47.8Accidental poisoning by and exposure to other specified gases and vapoursX47.9Accidental poisoning by and exposure to unspecified gases and vapours