ICD-10-CM > S00-T88 > T51-T65 > T63 > T63.0 > T63.00 > T63.003 T63.003 Toxic effect of unspecified snake venom, assault Non-Billable/Non-Specific Codes T63.003A..., initial encounterT63.003D..., subsequent encounterT63.003S..., sequela