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ICD-10-CM · FY 2026 APRIL UPDATE

T46.2

Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified

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
T46.2XPoisoning by, adverse effect of and underdosing of other antidysrhythmic drugsCategory
T46.2X1Poisoning by other antidysrhythmic drugs, accidental (unintentional)Category
T46.2X1APoisoning by other antidysrhythmic drugs, accidental (unintentional), initial encounterBillable
T46.2X1DPoisoning by other antidysrhythmic drugs, accidental (unintentional), subsequent encounterBillable
T46.2X1SPoisoning by other antidysrhythmic drugs, accidental (unintentional), sequelaBillable
T46.2X2Poisoning by other antidysrhythmic drugs, intentional self-harmCategory
T46.2X2APoisoning by other antidysrhythmic drugs, intentional self-harm, initial encounterBillable
T46.2X2DPoisoning by other antidysrhythmic drugs, intentional self-harm, subsequent encounterBillable
T46.2X2SPoisoning by other antidysrhythmic drugs, intentional self-harm, sequelaBillable
T46.2X3Poisoning by other antidysrhythmic drugs, assaultCategory
T46.2X3APoisoning by other antidysrhythmic drugs, assault, initial encounterBillable
T46.2X3DPoisoning by other antidysrhythmic drugs, assault, subsequent encounterBillable
T46.2X3SPoisoning by other antidysrhythmic drugs, assault, sequelaBillable
T46.2X4Poisoning by other antidysrhythmic drugs, undeterminedCategory
T46.2X4APoisoning by other antidysrhythmic drugs, undetermined, initial encounterBillable
T46.2X4DPoisoning by other antidysrhythmic drugs, undetermined, subsequent encounterBillable
T46.2X4SPoisoning by other antidysrhythmic drugs, undetermined, sequelaBillable
T46.2X5Adverse effect of other antidysrhythmic drugsCategory
T46.2X5AAdverse effect of other antidysrhythmic drugs, initial encounterBillable
T46.2X5DAdverse effect of other antidysrhythmic drugs, subsequent encounterBillable
T46.2X5SAdverse effect of other antidysrhythmic drugs, sequelaBillable
T46.2X6Underdosing of other antidysrhythmic drugsCategory
T46.2X6AUnderdosing of other antidysrhythmic drugs, initial encounterBillable
T46.2X6DUnderdosing of other antidysrhythmic drugs, subsequent encounterBillable
T46.2X6SUnderdosing of other antidysrhythmic drugs, sequelaBillable

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.