X88.4Assault by carbon monoxide from unspecified sources
Code usage status
Primary diagnosis
Must not be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Group X85-Y09
- Assault
- Official Vietnamese name
- Tấn công bằng carbon monoxide từ các nguồn không xác định
Related X88 codes
X88
Assault by carbon monoxide and other gases and vapours
X88.0
Assault by carbon monoxide from combustion engine exhaust
X88.1
Assault by carbon monoxide from utility gas
X88.2
Assault by carbon monoxide from other domestic fuels
X88.3
Assault by carbon monoxide from other sources
X88.8
Assault by other specified gases and vapours
X88.9
Assault by unspecified gases and vapours
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
