ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.1 > T63.19 > T63.191 T63.191 Toxic effect of venom of other reptiles, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of venom of other reptiles NOS Codes T63.191A..., initial encounterT63.191D..., subsequent encounterT63.191S..., sequela