ICD-10-CM > S00-T88 > T51-T65 > T57 > T57.0 > T57.0X > T57.0X4 T57.0X4 Toxic effect of arsenic and its compounds, undetermined Non-Billable/Non-Specific Codes T57.0X4A..., initial encounterT57.0X4D..., subsequent encounterT57.0X4S..., sequela