ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.0 > T63.00 T63.00 Toxic effect of unspecified snake venom Non-Billable/Non-Specific Codes T63.001Toxic effect of unspecified snake venom, accidental (unintentional)T63.001A..., initial encounterT63.001D..., subsequent encounterT63.001S..., sequelaT63.002Toxic effect of unspecified snake venom, intentional self-harmT63.002A..., initial encounterT63.002D..., subsequent encounterT63.002S..., sequelaT63.003Toxic effect of unspecified snake venom, assaultT63.003A..., initial encounterT63.003D..., subsequent encounterT63.003S..., sequelaT63.004Toxic effect of unspecified snake venom, undeterminedT63.004A..., initial encounterT63.004D..., subsequent encounterT63.004S..., sequela