ICD-10-CM > S00-T88 > T51-T65 > T54 > T54.1 > T54.1X > T54.1X4 T54.1X4 Toxic effect of other corrosive organic compounds, undetermined Non-Billable/Non-Specific Codes T54.1X4A..., initial encounterT54.1X4D..., subsequent encounterT54.1X4S..., sequela