ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.4 > T63.45 T63.45 Toxic effect of venom of hornets Non-Billable/Non-Specific Codes T63.451Toxic effect of venom of hornets, accidental (unintentional)T63.451A..., initial encounterT63.451D..., subsequent encounterT63.451S..., sequelaT63.452Toxic effect of venom of hornets, intentional self-harmT63.452A..., initial encounterT63.452D..., subsequent encounterT63.452S..., sequelaT63.453Toxic effect of venom of hornets, assaultT63.453A..., initial encounterT63.453D..., subsequent encounterT63.453S..., sequelaT63.454Toxic effect of venom of hornets, undeterminedT63.454A..., initial encounterT63.454D..., subsequent encounterT63.454S..., sequela