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ICD-10-CM · FY 2026 APRIL UPDATE

T57

Toxic effect of other inorganic 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
T57.0Toxic effect of arsenic and its compoundsCategory
T57.0XToxic effect of arsenic and its compoundsCategory
T57.0X1Toxic effect of arsenic and its compounds, accidental (unintentional)Category
T57.0X1AToxic effect of arsenic and its compounds, accidental (unintentional), initial encounterBillable
T57.0X1DToxic effect of arsenic and its compounds, accidental (unintentional), subsequent encounterBillable
T57.0X1SToxic effect of arsenic and its compounds, accidental (unintentional), sequelaBillable
T57.0X2Toxic effect of arsenic and its compounds, intentional self-harmCategory
T57.0X2AToxic effect of arsenic and its compounds, intentional self-harm, initial encounterBillable
T57.0X2DToxic effect of arsenic and its compounds, intentional self-harm, subsequent encounterBillable
T57.0X2SToxic effect of arsenic and its compounds, intentional self-harm, sequelaBillable
T57.0X3Toxic effect of arsenic and its compounds, assaultCategory
T57.0X3AToxic effect of arsenic and its compounds, assault, initial encounterBillable
T57.0X3DToxic effect of arsenic and its compounds, assault, subsequent encounterBillable
T57.0X3SToxic effect of arsenic and its compounds, assault, sequelaBillable
T57.0X4Toxic effect of arsenic and its compounds, undeterminedCategory
T57.0X4AToxic effect of arsenic and its compounds, undetermined, initial encounterBillable
T57.0X4DToxic effect of arsenic and its compounds, undetermined, subsequent encounterBillable
T57.0X4SToxic effect of arsenic and its compounds, undetermined, sequelaBillable
T57.1Toxic effect of phosphorus and its compoundsCategory
T57.1XToxic effect of phosphorus and its compoundsCategory
T57.1X1Toxic effect of phosphorus and its compounds, accidental (unintentional)Category
T57.1X1AToxic effect of phosphorus and its compounds, accidental (unintentional), initial encounterBillable
T57.1X1DToxic effect of phosphorus and its compounds, accidental (unintentional), subsequent encounterBillable
T57.1X1SToxic effect of phosphorus and its compounds, accidental (unintentional), sequelaBillable
T57.1X2Toxic effect of phosphorus and its compounds, intentional self-harmCategory
T57.1X2AToxic effect of phosphorus and its compounds, intentional self-harm, initial encounterBillable
T57.1X2DToxic effect of phosphorus and its compounds, intentional self-harm, subsequent encounterBillable
T57.1X2SToxic effect of phosphorus and its compounds, intentional self-harm, sequelaBillable
T57.1X3Toxic effect of phosphorus and its compounds, assaultCategory
T57.1X3AToxic effect of phosphorus and its 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.