ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.1 > T63.11 > T63.111 T63.111 Toxic effect of venom of gila monster, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of venom of gila monster NOS Codes T63.111A..., initial encounterT63.111D..., subsequent encounterT63.111S..., sequela