X673-char group
Intentional self-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, fire and flames (X76) metal fumes and vapours (X69)
Codes within X67
X67.0Intentional self-poisoning by and exposure to carbon monoxide from combustion engine exhaustX67.1Intentional self-poisoning by and exposure to carbon monoxide from utility gasX67.2Intentional self-poisoning by and exposure to carbon monoxide from other domestic fuelsX67.3Intentional self-poisoning by and exposure to carbon monoxide from other sourcesX67.4Intentional self-poisoning by and exposure to carbon monoxide from unspecified sourcesX67.8Intentional self-poisoning by and exposure to other specified gases and vapoursX67.9Intentional self-poisoning by and exposure to unspecified gases and vapours