T58.2X1

Hierarchy

Where T58.2X1 sits in the official hierarchy. Each level is the code it is classified under.

1. T58 Toxic effect of carbon monoxide
2. T58.2 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels
3. T58.2X Parent Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels
4. T58.2X1 This code Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional)

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

• T58.2X1A Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), initial encounter Billable
• T58.2X1D Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), subsequent encounter Billable
• T58.2X1S Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), sequela Billable

Version History

How T58.2X1 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional)

2. FY 2026 Effective October 1, 2025

   Unchanged

   Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional)