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T58.8X

⚠ Non-billable (Header)

Toxic effect of carbon monoxide from other source

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.

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✅ No additional coding notes for T58.8X

Child Codes (4)

T58.8X1Toxic effect of carbon monoxide from other source, accidental (unintentional)T58.8X2Toxic effect of carbon monoxide from other source, intentional self-harmT58.8X3Toxic effect of carbon monoxide from other source, assaultT58.8X4Toxic effect of carbon monoxide from other source, undetermined

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Code Information

CodeT58.8X
BillableNo — Header code
ParentT58.8
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)