ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.1 > T63.11 > T63.113 T63.113 Toxic effect of venom of gila monster, assault Non-Billable/Non-Specific Codes T63.113A..., initial encounterT63.113D..., subsequent encounterT63.113S..., sequela