ICD-10-CM > S00-T88 > T36-T50 > T42 > T42.0 > T42.0X > T42.0X3 T42.0X3 Poisoning by hydantoin derivatives, assault Non-Billable/Non-Specific Codes T42.0X3A..., initial encounterT42.0X3D..., subsequent encounterT42.0X3S..., sequela