ICD-10 · PDGM grouping
T54 Toxic effect of corrosive substances
All 60 codes in the T54 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 T54
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 T54
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 |
|---|---|---|---|---|
| T54.0 Toxic effects of phenol and phenol homologues | ||||
| T54.0X Toxic effects of phenol and phenol homologues | ||||
| T54.0X1 Toxic effect of phenol and phenol homologues, accidental (unintentional) | ||||
| T54.0X1A | Toxic effect of phenol and phenol homologues, accidental (unintentional), initial encounterCMS: Toxic effect of phenol and phenol homologues, acc, init | Can lead a claim | A | None |
| T54.0X1D | Toxic effect of phenol and phenol homologues, accidental (unintentional), subsequent encounterCMS: Toxic effect of phenol and phenol homologues, acc, subs | Can lead a claim | A | None |
| T54.0X1S | Toxic effect of phenol and phenol homologues, accidental (unintentional), sequelaCMS: Toxic effect of phenol and phenol homologues, acc, sequela | Can lead a claim | A | None |
| T54.0X2 Toxic effect of phenol and phenol homologues, intentional self-harm | ||||
| T54.0X2A | Toxic effect of phenol and phenol homologues, intentional self-harm, initial encounterCMS: Toxic effect of phenol and phenol homolog, self-harm, init | Can lead a claim | A | None |
| T54.0X2D | Toxic effect of phenol and phenol homologues, intentional self-harm, subsequent encounterCMS: Toxic effect of phenol and phenol homolog, self-harm, subs | Can lead a claim | A | None |
| T54.0X2S | Toxic effect of phenol and phenol homologues, intentional self-harm, sequelaCMS: Toxic effect of phenol and phenol homolog, slf-hrm, sequela | Can lead a claim | A | None |
| T54.0X3 Toxic effect of phenol and phenol homologues, assault | ||||
| T54.0X3A | Toxic effect of phenol and phenol homologues, assault, initial encounterCMS: Toxic effect of phenol and phenol homologues, assault, init | Can lead a claim | A | None |
| T54.0X3D | Toxic effect of phenol and phenol homologues, assault, subsequent encounterCMS: Toxic effect of phenol and phenol homologues, assault, subs | Can lead a claim | A | None |
| T54.0X3S | Toxic effect of phenol and phenol homologues, assault, sequelaCMS: Toxic effect of phenol and phenol homolog, assault, sequela | Can lead a claim | A | None |
| T54.0X4 Toxic effect of phenol and phenol homologues, undetermined | ||||
| T54.0X4A | Toxic effect of phenol and phenol homologues, undetermined, initial encounterCMS: Toxic effect of phenol and phenol homologues, undet, init | Can lead a claim | A | None |
| T54.0X4D | Toxic effect of phenol and phenol homologues, undetermined, subsequent encounterCMS: Toxic effect of phenol and phenol homologues, undet, subs | Can lead a claim | A | None |
| T54.0X4S | Toxic effect of phenol and phenol homologues, undetermined, sequelaCMS: Toxic effect of phenol and phenol homologues, undet, sequela | Can lead a claim | A | None |
| T54.1 Toxic effects of other corrosive organic compounds | ||||
| T54.1X Toxic effects of other corrosive organic compounds | ||||
| T54.1X1 Toxic effect of other corrosive organic compounds, accidental (unintentional) | ||||
| T54.1X1A | Toxic effect of other corrosive organic compounds, accidental (unintentional), initial encounterCMS: Toxic effect of corrosive organic compounds, acc, init | Can lead a claim | A | None |
| T54.1X1D | Toxic effect of other corrosive organic compounds, accidental (unintentional), subsequent encounterCMS: Toxic effect of corrosive organic compounds, acc, subs | Can lead a claim | A | None |
| T54.1X1S | Toxic effect of other corrosive organic compounds, accidental (unintentional), sequelaCMS: Toxic effect of corrosive organic compounds, acc, sequela | Can lead a claim | A | None |
| T54.1X2 Toxic effect of other corrosive organic compounds, intentional self-harm | ||||
| T54.1X2A | Toxic effect of other corrosive organic compounds, intentional self-harm, initial encounterCMS: Toxic effect of corrosive organic compounds, self-harm, init | Can lead a claim | A | None |
| T54.1X2D | Toxic effect of other corrosive organic compounds, intentional self-harm, subsequent encounterCMS: Toxic effect of corrosive organic compounds, self-harm, subs | Can lead a claim | A | None |
| T54.1X2S | Toxic effect of other corrosive organic compounds, intentional self-harm, sequelaCMS: Toxic effect of corrosive organic compnd, self-harm, sequela | Can lead a claim | A | None |
| T54.1X3 Toxic effect of other corrosive organic compounds, assault | ||||
| T54.1X3A | Toxic effect of other corrosive organic compounds, assault, initial encounterCMS: Toxic effect of corrosive organic compounds, assault, init | Can lead a claim | A | None |
| T54.1X3D | Toxic effect of other corrosive organic compounds, assault, subsequent encounterCMS: Toxic effect of corrosive organic compounds, assault, subs | Can lead a claim | A | None |
| T54.1X3S | Toxic effect of other corrosive organic compounds, assault, sequelaCMS: Toxic effect of corrosive organic compnd, assault, sequela | Can lead a claim | A | None |
| T54.1X4 Toxic effect of other corrosive organic compounds, undetermined | ||||
| T54.1X4A | Toxic effect of other corrosive organic compounds, undetermined, initial encounterCMS: Toxic effect of corrosive organic compounds, undet, init | Can lead a claim | A | None |
| T54.1X4D | Toxic effect of other corrosive organic compounds, undetermined, subsequent encounterCMS: Toxic effect of corrosive organic compounds, undet, subs | Can lead a claim | A | None |
| T54.1X4S | Toxic effect of other corrosive organic compounds, undetermined, sequelaCMS: Toxic effect of corrosive organic compounds, undet, sequela | Can lead a claim | A | None |
| T54.2 Toxic effects of corrosive acids and acid-like substances | ||||
| T54.2X Toxic effects of corrosive acids and acid-like substances | ||||
| T54.2X1 Toxic effect of corrosive acids and acid-like substances, accidental (unintentional) | ||||
| T54.2X1A | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), initial encounterCMS: Toxic eff of corrosv acids and acid-like substnc, acc, init | Can lead a claim | A | None |
| T54.2X1D | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), subsequent encounterCMS: Toxic eff of corrosv acids and acid-like substnc, acc, subs | Can lead a claim | A | None |
| T54.2X1S | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), sequelaCMS: Toxic eff of corrosv acids and acid-like substnc, acc, sqla | Can lead a claim | A | None |
| T54.2X2 Toxic effect of corrosive acids and acid-like substances, intentional self-harm | ||||
| T54.2X2A | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, initial encounterCMS: Tox eff of corrosv acids & acid-like substnc, slf-hrm, init | Can lead a claim | A | None |
| T54.2X2D | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, subsequent encounterCMS: Tox eff of corrosv acids & acid-like substnc, slf-hrm, subs | Can lead a claim | A | None |
| T54.2X2S | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, sequelaCMS: Tox eff of corrosv acids & acid-like substnc, slf-hrm, sqla | Can lead a claim | A | None |
| T54.2X3 Toxic effect of corrosive acids and acid-like substances, assault | ||||
| T54.2X3A | Toxic effect of corrosive acids and acid-like substances, assault, initial encounterCMS: Tox eff of corrosv acids and acid-like substnc, asslt, init | Can lead a claim | A | None |
| T54.2X3D | Toxic effect of corrosive acids and acid-like substances, assault, subsequent encounterCMS: Tox eff of corrosv acids and acid-like substnc, asslt, subs | Can lead a claim | A | None |
| T54.2X3S | Toxic effect of corrosive acids and acid-like substances, assault, sequelaCMS: Tox eff of corrosv acids and acid-like substnc, asslt, sqla | Can lead a claim | A | None |
| T54.2X4 Toxic effect of corrosive acids and acid-like substances, undetermined | ||||
| T54.2X4A | Toxic effect of corrosive acids and acid-like substances, undetermined, initial encounterCMS: Tox eff of corrosv acids and acid-like substnc, undet, init | Can lead a claim | A | None |
| T54.2X4D | Toxic effect of corrosive acids and acid-like substances, undetermined, subsequent encounterCMS: Tox eff of corrosv acids and acid-like substnc, undet, subs | Can lead a claim | A | None |
| T54.2X4S | Toxic effect of corrosive acids and acid-like substances, undetermined, sequelaCMS: Tox eff of corrosv acids and acid-like substnc, undet, sqla | Can lead a claim | A | None |
| T54.3 Toxic effects of corrosive alkalis and alkali-like substances | ||||
| T54.3X Toxic effects of corrosive alkalis and alkali-like substances | ||||
| T54.3X1 Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional) | ||||
| T54.3X1A | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), initial encounterCMS: Tox eff of corrosv alkalis and alk-like substnc, acc, init | Can lead a claim | A | None |
| T54.3X1D | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), subsequent encounterCMS: Tox eff of corrosv alkalis and alk-like substnc, acc, subs | Can lead a claim | A | None |
| T54.3X1S | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), sequelaCMS: Tox eff of corrosv alkalis and alk-like substnc, acc, sqla | Can lead a claim | A | None |
| T54.3X2 Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm | ||||
| T54.3X2A | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, initial encounterCMS: Tox eff of corrosv alkalis & alk-like substnc, slf-hrm, init | Can lead a claim | A | None |
| T54.3X2D | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, subsequent encounterCMS: Tox eff of corrosv alkalis & alk-like substnc, slf-hrm, subs | Can lead a claim | A | None |
| T54.3X2S | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, sequelaCMS: Tox eff of corrosv alkalis & alk-like substnc, slf-hrm, sqla | Can lead a claim | A | None |
| T54.3X3 Toxic effect of corrosive alkalis and alkali-like substances, assault | ||||
| T54.3X3A | Toxic effect of corrosive alkalis and alkali-like substances, assault, initial encounterCMS: Tox eff of corrosv alkalis and alk-like substnc, asslt, init | Can lead a claim | A | None |
| T54.3X3D | Toxic effect of corrosive alkalis and alkali-like substances, assault, subsequent encounterCMS: Tox eff of corrosv alkalis and alk-like substnc, asslt, subs | Can lead a claim | A | None |
| T54.3X3S | Toxic effect of corrosive alkalis and alkali-like substances, assault, sequelaCMS: Tox eff of corrosv alkalis and alk-like substnc, asslt, sqla | Can lead a claim | A | None |
| T54.3X4 Toxic effect of corrosive alkalis and alkali-like substances, undetermined | ||||
| T54.3X4A | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, initial encounterCMS: Tox eff of corrosv alkalis and alk-like substnc, undet, init | Can lead a claim | A | None |
| T54.3X4D | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, subsequent encounterCMS: Tox eff of corrosv alkalis and alk-like substnc, undet, subs | Can lead a claim | A | None |
| T54.3X4S | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, sequelaCMS: Tox eff of corrosv alkalis and alk-like substnc, undet, sqla | Can lead a claim | A | None |
| T54.9 Toxic effects of unspecified corrosive substance | ||||
| T54.91 Toxic effect of unspecified corrosive substance, accidental (unintentional) | ||||
| T54.91XA | Toxic effect of unspecified corrosive substance, accidental (unintentional), initial encounterCMS: Toxic effect of unsp corrosive substance, accidental, init | Can lead a claim | A | None |
| T54.91XD | Toxic effect of unspecified corrosive substance, accidental (unintentional), subsequent encounterCMS: Toxic effect of unsp corrosive substance, accidental, subs | Can lead a claim | A | None |
| T54.91XS | Toxic effect of unspecified corrosive substance, accidental (unintentional), sequelaCMS: Toxic effect of unsp corrosive substance, acc, sequela | Can lead a claim | A | None |
| T54.92 Toxic effect of unspecified corrosive substance, intentional self-harm | ||||
| T54.92XA | Toxic effect of unspecified corrosive substance, intentional self-harm, initial encounterCMS: Toxic effect of unsp corrosive substance, self-harm, init | Can lead a claim | A | None |
| T54.92XD | Toxic effect of unspecified corrosive substance, intentional self-harm, subsequent encounterCMS: Toxic effect of unsp corrosive substance, self-harm, subs | Can lead a claim | A | None |
| T54.92XS | Toxic effect of unspecified corrosive substance, intentional self-harm, sequelaCMS: Toxic effect of unsp corrosive substance, self-harm, sequela | Can lead a claim | A | None |
| T54.93 Toxic effect of unspecified corrosive substance, assault | ||||
| T54.93XA | Toxic effect of unspecified corrosive substance, assault, initial encounterCMS: Toxic effect of unsp corrosive substance, assault, init | Can lead a claim | A | None |
| T54.93XD | Toxic effect of unspecified corrosive substance, assault, subsequent encounterCMS: Toxic effect of unsp corrosive substance, assault, subs | Can lead a claim | A | None |
| T54.93XS | Toxic effect of unspecified corrosive substance, assault, sequelaCMS: Toxic effect of unsp corrosive substance, assault, sequela | Can lead a claim | A | None |
| T54.94 Toxic effect of unspecified corrosive substance, undetermined | ||||
| T54.94XA | Toxic effect of unspecified corrosive substance, undetermined, initial encounterCMS: Toxic effect of unsp corrosive substance, undetermined, init | Can lead a claim | A | None |
| T54.94XD | Toxic effect of unspecified corrosive substance, undetermined, subsequent encounterCMS: Toxic effect of unsp corrosive substance, undetermined, subs | Can lead a claim | A | None |
| T54.94XS | Toxic effect of unspecified corrosive substance, undetermined, sequelaCMS: Toxic effect of unsp corrosive substance, 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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