ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.4 > T63.42 T63.42 Toxic effect of venom of ants Non-Billable/Non-Specific Codes T63.421Toxic effect of venom of ants, accidental (unintentional)T63.421A..., initial encounterT63.421D..., subsequent encounterT63.421S..., sequelaT63.422Toxic effect of venom of ants, intentional self-harmT63.422A..., initial encounterT63.422D..., subsequent encounterT63.422S..., sequelaT63.423Toxic effect of venom of ants, assaultT63.423A..., initial encounterT63.423D..., subsequent encounterT63.423S..., sequelaT63.424Toxic effect of venom of ants, undeterminedT63.424A..., initial encounterT63.424D..., subsequent encounterT63.424S..., sequela