T58
⚠ Non-billable (Header)Toxic effect of carbon monoxide
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ Includes
- • asphyxiation from carbon monoxide
- • toxic effect of carbon monoxide from all sources
Child Codes (5)
T58.0Toxic effect of carbon monoxide from motor vehicle exhaustT58.1Toxic effect of carbon monoxide from utility gasT58.2Toxic effect of carbon monoxide from incomplete combustion of other domestic fuelsT58.8Toxic effect of carbon monoxide from other sourceT58.9Toxic effect of carbon monoxide from unspecified source
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CodeT58
BillableNo — Header code
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes5
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)