ICD-10 · PDGM grouping
T58 Toxic effect of carbon monoxide
All 60 codes in the T58 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
60
Can lead a claim
60
Cannot lead a claim
0
What CMS assigns to T58
All 60 codes group to MMTA - Other. None of the 60 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in T58
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| T58.0 Toxic effect of carbon monoxide from motor vehicle exhaust | ||||
| T58.01 Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional) | ||||
| T58.01XA | Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), initial encounterCMS: Toxic effect of carb monx from mtr veh exhaust, acc, init | Can lead a claim | A | None |
| T58.01XD | Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), subsequent encounterCMS: Toxic effect of carb monx from mtr veh exhaust, acc, subs | Can lead a claim | A | None |
| T58.01XS | Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional), sequelaCMS: Toxic effect of carb monx from mtr veh exhaust, acc, sqla | Can lead a claim | A | None |
| T58.02 Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm | ||||
| T58.02XA | Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, initial encounterCMS: Toxic eff of carb monx from mtr veh exhaust, slf-hrm, init | Can lead a claim | A | None |
| T58.02XD | Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, subsequent encounterCMS: Toxic eff of carb monx from mtr veh exhaust, slf-hrm, subs | Can lead a claim | A | None |
| T58.02XS | Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm, sequelaCMS: Toxic eff of carb monx from mtr veh exhaust, slf-hrm, sqla | Can lead a claim | A | None |
| T58.03 Toxic effect of carbon monoxide from motor vehicle exhaust, assault | ||||
| T58.03XA | Toxic effect of carbon monoxide from motor vehicle exhaust, assault, initial encounterCMS: Toxic effect of carb monx from mtr veh exhaust, asslt, init | Can lead a claim | A | None |
| T58.03XD | Toxic effect of carbon monoxide from motor vehicle exhaust, assault, subsequent encounterCMS: Toxic effect of carb monx from mtr veh exhaust, asslt, subs | Can lead a claim | A | None |
| T58.03XS | Toxic effect of carbon monoxide from motor vehicle exhaust, assault, sequelaCMS: Toxic effect of carb monx from mtr veh exhaust, asslt, sqla | Can lead a claim | A | None |
| T58.04 Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined | ||||
| T58.04XA | Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined, initial encounterCMS: Toxic effect of carb monx from mtr veh exhaust, undet, init | Can lead a claim | A | None |
| T58.04XD | Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined, subsequent encounterCMS: Toxic effect of carb monx from mtr veh exhaust, undet, subs | Can lead a claim | A | None |
| T58.04XS | Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined, sequelaCMS: Toxic effect of carb monx from mtr veh exhaust, undet, sqla | Can lead a claim | A | None |
| T58.1 Toxic effect of carbon monoxide from utility gas | ||||
| T58.11 Toxic effect of carbon monoxide from utility gas, accidental (unintentional) | ||||
| T58.11XA | Toxic effect of carbon monoxide from utility gas, accidental (unintentional), initial encounterCMS: Toxic effect of carb monx from utility gas, acc, init | Can lead a claim | A | None |
| T58.11XD | Toxic effect of carbon monoxide from utility gas, accidental (unintentional), subsequent encounterCMS: Toxic effect of carb monx from utility gas, acc, subs | Can lead a claim | A | None |
| T58.11XS | Toxic effect of carbon monoxide from utility gas, accidental (unintentional), sequelaCMS: Toxic effect of carb monx from utility gas, acc, sequela | Can lead a claim | A | None |
| T58.12 Toxic effect of carbon monoxide from utility gas, intentional self-harm | ||||
| T58.12XA | Toxic effect of carbon monoxide from utility gas, intentional self-harm, initial encounterCMS: Toxic effect of carb monx from utility gas, self-harm, init | Can lead a claim | A | None |
| T58.12XD | Toxic effect of carbon monoxide from utility gas, intentional self-harm, subsequent encounterCMS: Toxic effect of carb monx from utility gas, self-harm, subs | Can lead a claim | A | None |
| T58.12XS | Toxic effect of carbon monoxide from utility gas, intentional self-harm, sequelaCMS: Toxic effect of carb monx from utility gas, slf-hrm, sequela | Can lead a claim | A | None |
| T58.13 Toxic effect of carbon monoxide from utility gas, assault | ||||
| T58.13XA | Toxic effect of carbon monoxide from utility gas, assault, initial encounterCMS: Toxic effect of carb monx from utility gas, assault, init | Can lead a claim | A | None |
| T58.13XD | Toxic effect of carbon monoxide from utility gas, assault, subsequent encounterCMS: Toxic effect of carb monx from utility gas, assault, subs | Can lead a claim | A | None |
| T58.13XS | Toxic effect of carbon monoxide from utility gas, assault, sequelaCMS: Toxic effect of carb monx from utility gas, assault, sequela | Can lead a claim | A | None |
| T58.14 Toxic effect of carbon monoxide from utility gas, undetermined | ||||
| T58.14XA | Toxic effect of carbon monoxide from utility gas, undetermined, initial encounterCMS: Toxic effect of carb monx from utility gas, undet, init | Can lead a claim | A | None |
| T58.14XD | Toxic effect of carbon monoxide from utility gas, undetermined, subsequent encounterCMS: Toxic effect of carb monx from utility gas, undet, subs | Can lead a claim | A | None |
| T58.14XS | Toxic effect of carbon monoxide from utility gas, undetermined, sequelaCMS: Toxic effect of carb monx from utility gas, undet, sequela | Can lead a claim | A | None |
| T58.2 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels | ||||
| T58.2X Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels | ||||
| T58.2X1 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional) | ||||
| T58.2X1A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), initial encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel, acc, init | Can lead a claim | A | None |
| T58.2X1D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), subsequent encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel, acc, subs | Can lead a claim | A | None |
| T58.2X1S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), sequelaCMS: Tox eff of carb monx fr incmpl combst dmst fuel, acc, sqla | Can lead a claim | A | None |
| T58.2X2 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm | ||||
| T58.2X2A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm, initial encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel,slf-hrm,init | Can lead a claim | A | None |
| T58.2X2D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm, subsequent encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel,slf-hrm,subs | Can lead a claim | A | None |
| T58.2X2S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm, sequelaCMS: Tox eff of carb monx fr incmpl combst dmst fuel,slf-hrm,sqla | Can lead a claim | A | None |
| T58.2X3 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault | ||||
| T58.2X3A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault, initial encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel, asslt, init | Can lead a claim | A | None |
| T58.2X3D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault, subsequent encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel, asslt, subs | Can lead a claim | A | None |
| T58.2X3S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault, sequelaCMS: Tox eff of carb monx fr incmpl combst dmst fuel, asslt, sqla | Can lead a claim | A | None |
| T58.2X4 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined | ||||
| T58.2X4A | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined, initial encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel, undet, init | Can lead a claim | A | None |
| T58.2X4D | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined, subsequent encounterCMS: Tox eff of carb monx fr incmpl combst dmst fuel, undet, subs | Can lead a claim | A | None |
| T58.2X4S | Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined, sequelaCMS: Tox eff of carb monx fr incmpl combst dmst fuel, undet, sqla | Can lead a claim | A | None |
| T58.8 Toxic effect of carbon monoxide from other source | ||||
| T58.8X Toxic effect of carbon monoxide from other source | ||||
| T58.8X1 Toxic effect of carbon monoxide from other source, accidental (unintentional) | ||||
| T58.8X1A | Toxic effect of carbon monoxide from other source, accidental (unintentional), initial encounterCMS: Toxic effect of carb monx from oth source, accidental, init | Can lead a claim | A | None |
| T58.8X1D | Toxic effect of carbon monoxide from other source, accidental (unintentional), subsequent encounterCMS: Toxic effect of carb monx from oth source, accidental, subs | Can lead a claim | A | None |
| T58.8X1S | Toxic effect of carbon monoxide from other source, accidental (unintentional), sequelaCMS: Toxic effect of carb monx from oth source, acc, sequela | Can lead a claim | A | None |
| T58.8X2 Toxic effect of carbon monoxide from other source, intentional self-harm | ||||
| T58.8X2A | Toxic effect of carbon monoxide from other source, intentional self-harm, initial encounterCMS: Toxic effect of carb monx from oth source, self-harm, init | Can lead a claim | A | None |
| T58.8X2D | Toxic effect of carbon monoxide from other source, intentional self-harm, subsequent encounterCMS: Toxic effect of carb monx from oth source, self-harm, subs | Can lead a claim | A | None |
| T58.8X2S | Toxic effect of carbon monoxide from other source, intentional self-harm, sequelaCMS: Toxic effect of carb monx from oth source, slf-hrm, sequela | Can lead a claim | A | None |
| T58.8X3 Toxic effect of carbon monoxide from other source, assault | ||||
| T58.8X3A | Toxic effect of carbon monoxide from other source, assault, initial encounterCMS: Toxic effect of carb monx from oth source, assault, init | Can lead a claim | A | None |
| T58.8X3D | Toxic effect of carbon monoxide from other source, assault, subsequent encounterCMS: Toxic effect of carb monx from oth source, assault, subs | Can lead a claim | A | None |
| T58.8X3S | Toxic effect of carbon monoxide from other source, assault, sequelaCMS: Toxic effect of carb monx from oth source, assault, sequela | Can lead a claim | A | None |
| T58.8X4 Toxic effect of carbon monoxide from other source, undetermined | ||||
| T58.8X4A | Toxic effect of carbon monoxide from other source, undetermined, initial encounterCMS: Toxic effect of carb monx from oth source, undet, init | Can lead a claim | A | None |
| T58.8X4D | Toxic effect of carbon monoxide from other source, undetermined, subsequent encounterCMS: Toxic effect of carb monx from oth source, undet, subs | Can lead a claim | A | None |
| T58.8X4S | Toxic effect of carbon monoxide from other source, undetermined, sequelaCMS: Toxic effect of carb monx from oth source, undet, sequela | Can lead a claim | A | None |
| T58.9 Toxic effect of carbon monoxide from unspecified source | ||||
| T58.91 Toxic effect of carbon monoxide from unspecified source, accidental (unintentional) | ||||
| T58.91XA | Toxic effect of carbon monoxide from unspecified source, accidental (unintentional), initial encounterCMS: Toxic effect of carb monx from unsp source, acc, init | Can lead a claim | A | None |
| T58.91XD | Toxic effect of carbon monoxide from unspecified source, accidental (unintentional), subsequent encounterCMS: Toxic effect of carb monx from unsp source, acc, subs | Can lead a claim | A | None |
| T58.91XS | Toxic effect of carbon monoxide from unspecified source, accidental (unintentional), sequelaCMS: Toxic effect of carb monx from unsp source, acc, sequela | Can lead a claim | A | None |
| T58.92 Toxic effect of carbon monoxide from unspecified source, intentional self-harm | ||||
| T58.92XA | Toxic effect of carbon monoxide from unspecified source, intentional self-harm, initial encounterCMS: Toxic effect of carb monx from unsp source, self-harm, init | Can lead a claim | A | None |
| T58.92XD | Toxic effect of carbon monoxide from unspecified source, intentional self-harm, subsequent encounterCMS: Toxic effect of carb monx from unsp source, self-harm, subs | Can lead a claim | A | None |
| T58.92XS | Toxic effect of carbon monoxide from unspecified source, intentional self-harm, sequelaCMS: Toxic effect of carb monx from unsp source, slf-hrm, sequela | Can lead a claim | A | None |
| T58.93 Toxic effect of carbon monoxide from unspecified source, assault | ||||
| T58.93XA | Toxic effect of carbon monoxide from unspecified source, assault, initial encounterCMS: Toxic effect of carb monx from unsp source, assault, init | Can lead a claim | A | None |
| T58.93XD | Toxic effect of carbon monoxide from unspecified source, assault, subsequent encounterCMS: Toxic effect of carb monx from unsp source, assault, subs | Can lead a claim | A | None |
| T58.93XS | Toxic effect of carbon monoxide from unspecified source, assault, sequelaCMS: Toxic effect of carb monx from unsp source, assault, sequela | Can lead a claim | A | None |
| T58.94 Toxic effect of carbon monoxide from unspecified source, undetermined | ||||
| T58.94XA | Toxic effect of carbon monoxide from unspecified source, undetermined, initial encounterCMS: Toxic effect of carb monx from unsp source, undet, init | Can lead a claim | A | None |
| T58.94XD | Toxic effect of carbon monoxide from unspecified source, undetermined, subsequent encounterCMS: Toxic effect of carb monx from unsp source, undet, subs | Can lead a claim | A | None |
| T58.94XS | Toxic effect of carbon monoxide from unspecified source, undetermined, sequelaCMS: Toxic effect of carb monx from unsp source, undet, sequela | Can lead a claim | A | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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