ICD-10-CM > S00-T88 > T36-T50 > T43 > T43.8 T43.8 Poisoning by, adverse effect of and underdosing of other psychotropic drugs Non-Billable/Non-Specific Codes T43.8XPoisoning by, adverse effect of and underdosing of other psychotropic drugsT43.8X1Poisoning by other psychotropic drugs, accidental (unintentional)T43.8X1A..., initial encounterT43.8X1D..., subsequent encounterT43.8X1S..., sequelaT43.8X2Poisoning by other psychotropic drugs, intentional self-harmT43.8X2A..., initial encounterT43.8X2D..., subsequent encounterT43.8X2S..., sequelaT43.8X3Poisoning by other psychotropic drugs, assaultT43.8X3A..., initial encounterT43.8X3D..., subsequent encounterT43.8X3S..., sequelaT43.8X4Poisoning by other psychotropic drugs, undeterminedT43.8X4A..., initial encounterT43.8X4D..., subsequent encounterT43.8X4S..., sequelaT43.8X5Adverse effect of other psychotropic drugsT43.8X5A..., initial encounterT43.8X5D..., subsequent encounterT43.8X5S..., sequelaT43.8X6Underdosing of other psychotropic drugsT43.8X6A..., initial encounterT43.8X6D..., subsequent encounterT43.8X6S..., sequela