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ICD-10-CM · FY 2026 APRIL UPDATE

T53.9

Toxic effects of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons

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
T53.91Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional)Category
T53.91XAToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), initial encounterBillable
T53.91XDToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), subsequent encounterBillable
T53.91XSToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), sequelaBillable
T53.92Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, intentional self-harmCategory
T53.92XAToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, intentional self-harm, initial encounterBillable
T53.92XDToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, intentional self-harm, subsequent encounterBillable
T53.92XSToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, intentional self-harm, sequelaBillable
T53.93Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, assaultCategory
T53.93XAToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, assault, initial encounterBillable
T53.93XDToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, assault, subsequent encounterBillable
T53.93XSToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, assault, sequelaBillable
T53.94Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, undeterminedCategory
T53.94XAToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, undetermined, initial encounterBillable
T53.94XDToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, undetermined, subsequent encounterBillable
T53.94XSToxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, undetermined, sequelaBillable

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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.

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