The block Y10–Y34 of ICD-10 is titled “Event of undetermined intent”. It is part of Chapter XX, External causes of morbidity and mortality, and holds 25 groups.
Coding notes
- This section covers events where available information is insufficient to enable a medical or legal authority to make a distinction between accident, self-harm and assault. It includes self-inflicted injuries, but not poisoning, when not specified whether accidental or with intent to harm (X40-X49). Follow legal rulings when available.
- See at the beginning of this chapter for the classification of the place of occurrence and activity
Codes in Y10–Y34
- Y17.0Poisoning by and exposure to carbon monoxide from combustion engine exhaust, undetermined intent
- Y17.1Poisoning by and exposure to carbon monoxide from utility gas, undetermined intent
- Y17.2Poisoning by and exposure to carbon monoxide from other domestic fuels, undetermined intent
- Y17.3Poisoning by and exposure to carbon monoxide from other sources, undetermined intent
- Y17.4Poisoning by and exposure to carbon monoxide from unspecified sources, undetermined intent
- Y17.8Poisoning by and exposure to other specified gases and vapours, undetermined intent
- Y17.9Poisoning by and exposure to unspecified gases and vapours, undetermined intent
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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