ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.8 > T63.89 > T63.891 T63.891 Toxic effect of contact with other venomous animals, accidental (unintentional) Non-Billable/Non-Specific Codes T63.891A..., initial encounterT63.891D..., subsequent encounterT63.891S..., sequela