ICD-10-CM > S00-T88 > T51-T65 > T65 > T65.8 > T65.89 T65.89 Toxic effect of other specified substances Non-Billable/Non-Specific Codes T65.891Toxic effect of other specified substances, accidental (unintentional)T65.891A..., initial encounterT65.891D..., subsequent encounterT65.891S..., sequelaT65.892Toxic effect of other specified substances, intentional self-harmT65.892A..., initial encounterT65.892D..., subsequent encounterT65.892S..., sequelaT65.893Toxic effect of other specified substances, assaultT65.893A..., initial encounterT65.893D..., subsequent encounterT65.893S..., sequelaT65.894Toxic effect of other specified substances, undeterminedT65.894A..., initial encounterT65.894D..., subsequent encounterT65.894S..., sequela