ICD-10-CM > S00-T88 > T51-T65 > T51 > T51.3 > T51.3X > T51.3X4 T51.3X4 Toxic effect of fusel oil, undetermined Non-Billable/Non-Specific Codes T51.3X4A..., initial encounterT51.3X4D..., subsequent encounterT51.3X4S..., sequela