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ICD-10-CM · FY 2026 APRIL UPDATE

T54

Toxic effect of corrosive substances

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
T54.0Toxic effects of phenol and phenol homologuesCategory
T54.0XToxic effects of phenol and phenol homologuesCategory
T54.0X1Toxic effect of phenol and phenol homologues, accidental (unintentional)Category
T54.0X1AToxic effect of phenol and phenol homologues, accidental (unintentional), initial encounterBillable
T54.0X1DToxic effect of phenol and phenol homologues, accidental (unintentional), subsequent encounterBillable
T54.0X1SToxic effect of phenol and phenol homologues, accidental (unintentional), sequelaBillable
T54.0X2Toxic effect of phenol and phenol homologues, intentional self-harmCategory
T54.0X2AToxic effect of phenol and phenol homologues, intentional self-harm, initial encounterBillable
T54.0X2DToxic effect of phenol and phenol homologues, intentional self-harm, subsequent encounterBillable
T54.0X2SToxic effect of phenol and phenol homologues, intentional self-harm, sequelaBillable
T54.0X3Toxic effect of phenol and phenol homologues, assaultCategory
T54.0X3AToxic effect of phenol and phenol homologues, assault, initial encounterBillable
T54.0X3DToxic effect of phenol and phenol homologues, assault, subsequent encounterBillable
T54.0X3SToxic effect of phenol and phenol homologues, assault, sequelaBillable
T54.0X4Toxic effect of phenol and phenol homologues, undeterminedCategory
T54.0X4AToxic effect of phenol and phenol homologues, undetermined, initial encounterBillable
T54.0X4DToxic effect of phenol and phenol homologues, undetermined, subsequent encounterBillable
T54.0X4SToxic effect of phenol and phenol homologues, undetermined, sequelaBillable
T54.1Toxic effects of other corrosive organic compoundsCategory
T54.1XToxic effects of other corrosive organic compoundsCategory
T54.1X1Toxic effect of other corrosive organic compounds, accidental (unintentional)Category
T54.1X1AToxic effect of other corrosive organic compounds, accidental (unintentional), initial encounterBillable
T54.1X1DToxic effect of other corrosive organic compounds, accidental (unintentional), subsequent encounterBillable
T54.1X1SToxic effect of other corrosive organic compounds, accidental (unintentional), sequelaBillable
T54.1X2Toxic effect of other corrosive organic compounds, intentional self-harmCategory
T54.1X2AToxic effect of other corrosive organic compounds, intentional self-harm, initial encounterBillable
T54.1X2DToxic effect of other corrosive organic compounds, intentional self-harm, subsequent encounterBillable
T54.1X2SToxic effect of other corrosive organic compounds, intentional self-harm, sequelaBillable
T54.1X3Toxic effect of other corrosive organic compounds, assaultCategory
T54.1X3AToxic effect of other corrosive organic compounds, assault, initial encounterBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.