ICD-10-CM > S00-T88 > T51-T65 > T53 > T53.1 > T53.1X > T53.1X4 T53.1X4 Toxic effect of chloroform, undetermined Non-Billable/Non-Specific Codes T53.1X4A..., initial encounterT53.1X4D..., subsequent encounterT53.1X4S..., sequela