ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.9 > T63.94 T63.94 Toxic effect of contact with unspecified venomous animal, undetermined Non-Billable/Non-Specific Codes T63.94XA..., initial encounterT63.94XD..., subsequent encounterT63.94XS..., sequela