T58 Toxic effect of carbon monoxide
ICD-10-CM category T58 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 60 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
T58.0 Toxic effect of carbon monoxide from motor vehicle exhaustT58.01 Toxic effect of carb monx from mtr veh exhaust, accidentalT58.02 Toxic effect of carb monx from mtr veh exhaust, self-harmT58.03 Toxic effect of carb monx from mtr veh exhaust, assaultT58.04 Toxic effect of carb monx from mtr veh exhaust, undeterminedT58.1 Toxic effect of carbon monoxide from utility gasT58.11 Toxic effect of carb monx from utility gas, accidentalT58.12 Toxic effect of carbon monoxide from utility gas, self-harmT58.13 Toxic effect of carbon monoxide from utility gas, assaultT58.14 Toxic effect of carb monx from utility gas, undeterminedT58.2 Toxic effect of carbon monoxide from incmpl combst dmst fuelT58.2X Toxic effect of carbon monoxide from incmpl combst dmst fuelT58.2X1 Toxic effect of carb monx from incmpl combst dmst fuel, accT58.2X2 Toxic eff of carb monx from incmpl combst dmst fuel, slf-hrmT58.2X3 Toxic eff of carb monx from incmpl combst dmst fuel, assltT58.2X4 Toxic eff of carb monx from incmpl combst dmst fuel, undetT58.8 Toxic effect of carbon monoxide from other sourceT58.8X Toxic effect of carbon monoxide from other sourceT58.8X1 Toxic effect of carbon monoxide from oth source, accidentalT58.8X2 Toxic effect of carbon monoxide from oth source, self-harmT58.8X3 Toxic effect of carbon monoxide from other source, assaultT58.8X4 Toxic effect of carb monx from oth source, undeterminedT58.9 Toxic effect of carbon monoxide from unspecified sourceT58.91 Toxic effect of carb monx from unsp source, accidentalT58.92 Toxic effect of carbon monoxide from unsp source, self-harmT58.93 Toxic effect of carbon monoxide from unsp source, assaultT58.94 Toxic effect of carb monx from unsp source, undetermined
Billable codes in T58
| Code | Description |
|---|---|
T58.01XA | Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), initial encounter |
T58.01XD | Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), subsequent encounter |
T58.01XS | Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), sequela |
T58.02XA | Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, initial encounter |
T58.02XD | Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, subsequent encounter |
T58.02XS | Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, sequela |
T58.03XA | Toxic effect of carbon monoxide from motor vehicle exhaust, assault, initial encounter |
T58.03XD | Toxic effect of carbon monoxide from motor vehicle exhaust, assault, subsequent encounter |
T58.03XS | Toxic effect of carbon monoxide from motor vehicle exhaust, assault, sequela |
T58.04XA | Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined, initial encounter |
T58.04XD | Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined, subsequent encounter |
T58.04XS | Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined, sequela |
T58.11XA | Toxic effect of carbon monoxide from utility gas, accidental (unintentional), initial encounter |
T58.11XD | Toxic effect of carbon monoxide from utility gas, accidental (unintentional), subsequent encounter |
T58.11XS | Toxic effect of carbon monoxide from utility gas, accidental (unintentional), sequela |
T58.12XA | Toxic effect of carbon monoxide from utility gas, intentional self-harm, initial encounter |
T58.12XD | Toxic effect of carbon monoxide from utility gas, intentional self-harm, subsequent encounter |
T58.12XS | Toxic effect of carbon monoxide from utility gas, intentional self-harm, sequela |
T58.13XA | Toxic effect of carbon monoxide from utility gas, assault, initial encounter |
T58.13XD | Toxic effect of carbon monoxide from utility gas, assault, subsequent encounter |
T58.13XS | Toxic effect of carbon monoxide from utility gas, assault, sequela |
T58.14XA | Toxic effect of carbon monoxide from utility gas, undetermined, initial encounter |
T58.14XD | Toxic effect of carbon monoxide from utility gas, undetermined, subsequent encounter |
T58.14XS | Toxic effect of carbon monoxide from utility gas, undetermined, sequela |
T58.2X1A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), initial encounter |
T58.2X1D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), subsequent encounter |
T58.2X1S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), sequela |
T58.2X2A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm, initial encounter |
T58.2X2D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm, subsequent encounter |
T58.2X2S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm, sequela |
T58.2X3A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault, initial encounter |
T58.2X3D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault, subsequent encounter |
T58.2X3S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault, sequela |
T58.2X4A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined, initial encounter |
T58.2X4D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined, subsequent encounter |
T58.2X4S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined, sequela |
T58.8X1A | Toxic effect of carbon monoxide from other source, accidental (unintentional), initial encounter |
T58.8X1D | Toxic effect of carbon monoxide from other source, accidental (unintentional), subsequent encounter |
T58.8X1S | Toxic effect of carbon monoxide from other source, accidental (unintentional), sequela |
T58.8X2A | Toxic effect of carbon monoxide from other source, intentional self-harm, initial encounter |
T58.8X2D | Toxic effect of carbon monoxide from other source, intentional self-harm, subsequent encounter |
T58.8X2S | Toxic effect of carbon monoxide from other source, intentional self-harm, sequela |
T58.8X3A | Toxic effect of carbon monoxide from other source, assault, initial encounter |
T58.8X3D | Toxic effect of carbon monoxide from other source, assault, subsequent encounter |
T58.8X3S | Toxic effect of carbon monoxide from other source, assault, sequela |
T58.8X4A | Toxic effect of carbon monoxide from other source, undetermined, initial encounter |
T58.8X4D | Toxic effect of carbon monoxide from other source, undetermined, subsequent encounter |
T58.8X4S | Toxic effect of carbon monoxide from other source, undetermined, sequela |
T58.91XA | Toxic effect of carbon monoxide from unspecified source, accidental (unintentional), initial encounter |
T58.91XD | Toxic effect of carbon monoxide from unspecified source, accidental (unintentional), subsequent encounter |
T58.91XS | Toxic effect of carbon monoxide from unspecified source, accidental (unintentional), sequela |
T58.92XA | Toxic effect of carbon monoxide from unspecified source, intentional self-harm, initial encounter |
T58.92XD | Toxic effect of carbon monoxide from unspecified source, intentional self-harm, subsequent encounter |
T58.92XS | Toxic effect of carbon monoxide from unspecified source, intentional self-harm, sequela |
T58.93XA | Toxic effect of carbon monoxide from unspecified source, assault, initial encounter |
T58.93XD | Toxic effect of carbon monoxide from unspecified source, assault, subsequent encounter |
T58.93XS | Toxic effect of carbon monoxide from unspecified source, assault, sequela |
T58.94XA | Toxic effect of carbon monoxide from unspecified source, undetermined, initial encounter |
T58.94XD | Toxic effect of carbon monoxide from unspecified source, undetermined, subsequent encounter |
T58.94XS | Toxic effect of carbon monoxide from unspecified source, undetermined, sequela |
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