T58 Toxic effect of carbon monoxide

Category / Non-billable header 27 subcodes

Block: Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

Includes

  • asphyxiation from carbon monoxide
  • toxic effect of carbon monoxide from all sources

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
T58..0 Toxic effect of carbon monoxide from motor vehicle exhaust No
T58..01 Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional) No
T58..02 Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm No
T58..03 Toxic effect of carbon monoxide from motor vehicle exhaust, assault No
T58..04 Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined No
T58..1 Toxic effect of carbon monoxide from utility gas No
T58..11 Toxic effect of carbon monoxide from utility gas, accidental (unintentional) No
T58..12 Toxic effect of carbon monoxide from utility gas, intentional self-harm No
T58..13 Toxic effect of carbon monoxide from utility gas, assault No
T58..14 Toxic effect of carbon monoxide from utility gas, undetermined No
T58..2 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels No
T58..2X Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels No
T58..2X1 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional) No
T58..2X2 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm No
T58..2X3 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault No
T58..2X4 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined No
T58..8 Toxic effect of carbon monoxide from other source No
T58..8X Toxic effect of carbon monoxide from other source No
T58..8X1 Toxic effect of carbon monoxide from other source, accidental (unintentional) No
T58..8X2 Toxic effect of carbon monoxide from other source, intentional self-harm No
T58..8X3 Toxic effect of carbon monoxide from other source, assault No
T58..8X4 Toxic effect of carbon monoxide from other source, undetermined No
T58..9 Toxic effect of carbon monoxide from unspecified source No
T58..91 Toxic effect of carbon monoxide from unspecified source, accidental (unintentional) No
T58..92 Toxic effect of carbon monoxide from unspecified source, intentional self-harm No
T58..93 Toxic effect of carbon monoxide from unspecified source, assault No
T58..94 Toxic effect of carbon monoxide from unspecified source, undetermined No

Last reviewed: September 2026