ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.1 > T63.12 > T63.121 T63.121 Toxic effect of venom of other venomous lizard, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of venom of other venomous lizard NOS Codes T63.121A..., initial encounterT63.121D..., subsequent encounterT63.121S..., sequela