October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

T51 Toxic effect of alcohol

All 72 codes in the T51 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

72

Can lead a claim

72

Cannot lead a claim

0

What CMS assigns to T51

All 72 codes group to MMTA - Other. None of the 72 is assigned a comorbidity subgroup. Every code can lead a claim.

Every code in T51

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
T51.0 Toxic effect of ethanol
T51.0X Toxic effect of ethanol
T51.0X1 Toxic effect of ethanol, accidental (unintentional)
T51.0X1AToxic effect of ethanol, accidental (unintentional), initial encounterCMS: Toxic effect of ethanol, accidental (unintentional), initCan lead a claimANone
T51.0X1DToxic effect of ethanol, accidental (unintentional), subsequent encounterCMS: Toxic effect of ethanol, accidental (unintentional), subsCan lead a claimANone
T51.0X1SToxic effect of ethanol, accidental (unintentional), sequelaCan lead a claimANone
T51.0X2 Toxic effect of ethanol, intentional self-harm
T51.0X2AToxic effect of ethanol, intentional self-harm, initial encounterCMS: Toxic effect of ethanol, intentional self-harm, init encntrCan lead a claimANone
T51.0X2DToxic effect of ethanol, intentional self-harm, subsequent encounterCMS: Toxic effect of ethanol, intentional self-harm, subs encntrCan lead a claimANone
T51.0X2SToxic effect of ethanol, intentional self-harm, sequelaCan lead a claimANone
T51.0X3 Toxic effect of ethanol, assault
T51.0X3AToxic effect of ethanol, assault, initial encounterCan lead a claimANone
T51.0X3DToxic effect of ethanol, assault, subsequent encounterCan lead a claimANone
T51.0X3SToxic effect of ethanol, assault, sequelaCan lead a claimANone
T51.0X4 Toxic effect of ethanol, undetermined
T51.0X4AToxic effect of ethanol, undetermined, initial encounterCan lead a claimANone
T51.0X4DToxic effect of ethanol, undetermined, subsequent encounterCan lead a claimANone
T51.0X4SToxic effect of ethanol, undetermined, sequelaCan lead a claimANone
T51.1 Toxic effect of methanol
T51.1X Toxic effect of methanol
T51.1X1 Toxic effect of methanol, accidental (unintentional)
T51.1X1AToxic effect of methanol, accidental (unintentional), initial encounterCMS: Toxic effect of methanol, accidental (unintentional), initCan lead a claimANone
T51.1X1DToxic effect of methanol, accidental (unintentional), subsequent encounterCMS: Toxic effect of methanol, accidental (unintentional), subsCan lead a claimANone
T51.1X1SToxic effect of methanol, accidental (unintentional), sequelaCMS: Toxic effect of methanol, accidental, sequelaCan lead a claimANone
T51.1X2 Toxic effect of methanol, intentional self-harm
T51.1X2AToxic effect of methanol, intentional self-harm, initial encounterCMS: Toxic effect of methanol, intentional self-harm, init encntrCan lead a claimANone
T51.1X2DToxic effect of methanol, intentional self-harm, subsequent encounterCMS: Toxic effect of methanol, intentional self-harm, subs encntrCan lead a claimANone
T51.1X2SToxic effect of methanol, intentional self-harm, sequelaCan lead a claimANone
T51.1X3 Toxic effect of methanol, assault
T51.1X3AToxic effect of methanol, assault, initial encounterCan lead a claimANone
T51.1X3DToxic effect of methanol, assault, subsequent encounterCan lead a claimANone
T51.1X3SToxic effect of methanol, assault, sequelaCan lead a claimANone
T51.1X4 Toxic effect of methanol, undetermined
T51.1X4AToxic effect of methanol, undetermined, initial encounterCan lead a claimANone
T51.1X4DToxic effect of methanol, undetermined, subsequent encounterCan lead a claimANone
T51.1X4SToxic effect of methanol, undetermined, sequelaCan lead a claimANone
T51.2 Toxic effect of 2-Propanol
T51.2X Toxic effect of 2-Propanol
T51.2X1 Toxic effect of 2-Propanol, accidental (unintentional)
T51.2X1AToxic effect of 2-Propanol, accidental (unintentional), initial encounterCMS: Toxic effect of 2-Propanol, accidental (unintentional), initCan lead a claimANone
T51.2X1DToxic effect of 2-Propanol, accidental (unintentional), subsequent encounterCMS: Toxic effect of 2-Propanol, accidental (unintentional), subsCan lead a claimANone
T51.2X1SToxic effect of 2-Propanol, accidental (unintentional), sequelaCMS: Toxic effect of 2-Propanol, accidental, sequelaCan lead a claimANone
T51.2X2 Toxic effect of 2-Propanol, intentional self-harm
T51.2X2AToxic effect of 2-Propanol, intentional self-harm, initial encounterCMS: Toxic effect of 2-Propanol, intentional self-harm, initCan lead a claimANone
T51.2X2DToxic effect of 2-Propanol, intentional self-harm, subsequent encounterCMS: Toxic effect of 2-Propanol, intentional self-harm, subsCan lead a claimANone
T51.2X2SToxic effect of 2-Propanol, intentional self-harm, sequelaCan lead a claimANone
T51.2X3 Toxic effect of 2-Propanol, assault
T51.2X3AToxic effect of 2-Propanol, assault, initial encounterCan lead a claimANone
T51.2X3DToxic effect of 2-Propanol, assault, subsequent encounterCan lead a claimANone
T51.2X3SToxic effect of 2-Propanol, assault, sequelaCan lead a claimANone
T51.2X4 Toxic effect of 2-Propanol, undetermined
T51.2X4AToxic effect of 2-Propanol, undetermined, initial encounterCan lead a claimANone
T51.2X4DToxic effect of 2-Propanol, undetermined, subsequent encounterCMS: Toxic effect of 2-Propanol, undetermined, subs encntrCan lead a claimANone
T51.2X4SToxic effect of 2-Propanol, undetermined, sequelaCan lead a claimANone
T51.3 Toxic effect of fusel oil
T51.3X Toxic effect of fusel oil
T51.3X1 Toxic effect of fusel oil, accidental (unintentional)
T51.3X1AToxic effect of fusel oil, accidental (unintentional), initial encounterCMS: Toxic effect of fusel oil, accidental (unintentional), initCan lead a claimANone
T51.3X1DToxic effect of fusel oil, accidental (unintentional), subsequent encounterCMS: Toxic effect of fusel oil, accidental (unintentional), subsCan lead a claimANone
T51.3X1SToxic effect of fusel oil, accidental (unintentional), sequelaCMS: Toxic effect of fusel oil, accidental, sequelaCan lead a claimANone
T51.3X2 Toxic effect of fusel oil, intentional self-harm
T51.3X2AToxic effect of fusel oil, intentional self-harm, initial encounterCMS: Toxic effect of fusel oil, intentional self-harm, initCan lead a claimANone
T51.3X2DToxic effect of fusel oil, intentional self-harm, subsequent encounterCMS: Toxic effect of fusel oil, intentional self-harm, subsCan lead a claimANone
T51.3X2SToxic effect of fusel oil, intentional self-harm, sequelaCan lead a claimANone
T51.3X3 Toxic effect of fusel oil, assault
T51.3X3AToxic effect of fusel oil, assault, initial encounterCan lead a claimANone
T51.3X3DToxic effect of fusel oil, assault, subsequent encounterCan lead a claimANone
T51.3X3SToxic effect of fusel oil, assault, sequelaCan lead a claimANone
T51.3X4 Toxic effect of fusel oil, undetermined
T51.3X4AToxic effect of fusel oil, undetermined, initial encounterCan lead a claimANone
T51.3X4DToxic effect of fusel oil, undetermined, subsequent encounterCMS: Toxic effect of fusel oil, undetermined, subs encntrCan lead a claimANone
T51.3X4SToxic effect of fusel oil, undetermined, sequelaCan lead a claimANone
T51.8 Toxic effect of other alcohols
T51.8X Toxic effect of other alcohols
T51.8X1 Toxic effect of other alcohols, accidental (unintentional)
T51.8X1AToxic effect of other alcohols, accidental (unintentional), initial encounterCMS: Toxic effect of alcohols, accidental (unintentional), initCan lead a claimANone
T51.8X1DToxic effect of other alcohols, accidental (unintentional), subsequent encounterCMS: Toxic effect of alcohols, accidental (unintentional), subsCan lead a claimANone
T51.8X1SToxic effect of other alcohols, accidental (unintentional), sequelaCMS: Toxic effect of alcohols, accidental, sequelaCan lead a claimANone
T51.8X2 Toxic effect of other alcohols, intentional self-harm
T51.8X2AToxic effect of other alcohols, intentional self-harm, initial encounterCMS: Toxic effect of oth alcohols, intentional self-harm, initCan lead a claimANone
T51.8X2DToxic effect of other alcohols, intentional self-harm, subsequent encounterCMS: Toxic effect of oth alcohols, intentional self-harm, subsCan lead a claimANone
T51.8X2SToxic effect of other alcohols, intentional self-harm, sequelaCMS: Toxic effect of oth alcohols, intentional self-harm, sequelaCan lead a claimANone
T51.8X3 Toxic effect of other alcohols, assault
T51.8X3AToxic effect of other alcohols, assault, initial encounterCan lead a claimANone
T51.8X3DToxic effect of other alcohols, assault, subsequent encounterCMS: Toxic effect of other alcohols, assault, subs encntrCan lead a claimANone
T51.8X3SToxic effect of other alcohols, assault, sequelaCan lead a claimANone
T51.8X4 Toxic effect of other alcohols, undetermined
T51.8X4AToxic effect of other alcohols, undetermined, initial encounterCMS: Toxic effect of other alcohols, undetermined, init encntrCan lead a claimANone
T51.8X4DToxic effect of other alcohols, undetermined, subsequent encounterCMS: Toxic effect of other alcohols, undetermined, subs encntrCan lead a claimANone
T51.8X4SToxic effect of other alcohols, undetermined, sequelaCan lead a claimANone
T51.9 Toxic effect of unspecified alcohol
T51.91 Toxic effect of unspecified alcohol, accidental (unintentional)
T51.91XAToxic effect of unspecified alcohol, accidental (unintentional), initial encounterCMS: Toxic effect of unsp alcohol, accidental, initCan lead a claimANone
T51.91XDToxic effect of unspecified alcohol, accidental (unintentional), subsequent encounterCMS: Toxic effect of unsp alcohol, accidental, subsCan lead a claimANone
T51.91XSToxic effect of unspecified alcohol, accidental (unintentional), sequelaCMS: Toxic effect of unsp alcohol, accidental, sequelaCan lead a claimANone
T51.92 Toxic effect of unspecified alcohol, intentional self-harm
T51.92XAToxic effect of unspecified alcohol, intentional self-harm, initial encounterCMS: Toxic effect of unsp alcohol, intentional self-harm, initCan lead a claimANone
T51.92XDToxic effect of unspecified alcohol, intentional self-harm, subsequent encounterCMS: Toxic effect of unsp alcohol, intentional self-harm, subsCan lead a claimANone
T51.92XSToxic effect of unspecified alcohol, intentional self-harm, sequelaCMS: Toxic effect of unsp alcohol, intentional self-harm, sequelaCan lead a claimANone
T51.93 Toxic effect of unspecified alcohol, assault
T51.93XAToxic effect of unspecified alcohol, assault, initial encounterCMS: Toxic effect of unspecified alcohol, assault, init encntrCan lead a claimANone
T51.93XDToxic effect of unspecified alcohol, assault, subsequent encounterCMS: Toxic effect of unspecified alcohol, assault, subs encntrCan lead a claimANone
T51.93XSToxic effect of unspecified alcohol, assault, sequelaCan lead a claimANone
T51.94 Toxic effect of unspecified alcohol, undetermined
T51.94XAToxic effect of unspecified alcohol, undetermined, initial encounterCMS: Toxic effect of unsp alcohol, undetermined, init encntrCan lead a claimANone
T51.94XDToxic effect of unspecified alcohol, undetermined, subsequent encounterCMS: Toxic effect of unsp alcohol, undetermined, subs encntrCan lead a claimANone
T51.94XSToxic effect of unspecified alcohol, undetermined, sequelaCan lead a claimANone

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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