T58.1

Toxic effect of carbon monoxide from utility gas

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
T58.11	Toxic effect of carbon monoxide from utility gas, accidental (unintentional)	Category
T58.11XA	Toxic effect of carbon monoxide from utility gas, accidental (unintentional), initial encounter	Billable
T58.11XD	Toxic effect of carbon monoxide from utility gas, accidental (unintentional), subsequent encounter	Billable
T58.11XS	Toxic effect of carbon monoxide from utility gas, accidental (unintentional), sequela	Billable
T58.12	Toxic effect of carbon monoxide from utility gas, intentional self-harm	Category
T58.12XA	Toxic effect of carbon monoxide from utility gas, intentional self-harm, initial encounter	Billable
T58.12XD	Toxic effect of carbon monoxide from utility gas, intentional self-harm, subsequent encounter	Billable
T58.12XS	Toxic effect of carbon monoxide from utility gas, intentional self-harm, sequela	Billable
T58.13	Toxic effect of carbon monoxide from utility gas, assault	Category
T58.13XA	Toxic effect of carbon monoxide from utility gas, assault, initial encounter	Billable
T58.13XD	Toxic effect of carbon monoxide from utility gas, assault, subsequent encounter	Billable
T58.13XS	Toxic effect of carbon monoxide from utility gas, assault, sequela	Billable
T58.14	Toxic effect of carbon monoxide from utility gas, undetermined	Category
T58.14XA	Toxic effect of carbon monoxide from utility gas, undetermined, initial encounter	Billable
T58.14XD	Toxic effect of carbon monoxide from utility gas, undetermined, subsequent encounter	Billable
T58.14XS	Toxic effect of carbon monoxide from utility gas, undetermined, sequela	Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.