ICD-10-CM > S00-T88 > T36-T50 > T46 > T46.2 T46.2 Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified Non-Billable/Non-Specific Type 1 Excludes poisoning by, adverse effect of and underdosing of beta-adrenoreceptor antagonists (T44.7-) Codes T46.2XPoisoning by, adverse effect of and underdosing of other antidysrhythmic drugsT46.2X1Poisoning by other antidysrhythmic drugs, accidental (unintentional)T46.2X1A..., initial encounterT46.2X1D..., subsequent encounterT46.2X1S..., sequelaT46.2X2Poisoning by other antidysrhythmic drugs, intentional self-harmT46.2X2A..., initial encounterT46.2X2D..., subsequent encounterT46.2X2S..., sequelaT46.2X3Poisoning by other antidysrhythmic drugs, assaultT46.2X3A..., initial encounterT46.2X3D..., subsequent encounterT46.2X3S..., sequelaT46.2X4Poisoning by other antidysrhythmic drugs, undeterminedT46.2X4A..., initial encounterT46.2X4D..., subsequent encounterT46.2X4S..., sequelaT46.2X5Adverse effect of other antidysrhythmic drugsT46.2X5A..., initial encounterT46.2X5D..., subsequent encounterT46.2X5S..., sequelaT46.2X6Underdosing of other antidysrhythmic drugsT46.2X6A..., initial encounterT46.2X6D..., subsequent encounterT46.2X6S..., sequela