ICD-10-CM > S00-T88 > T51-T65 > T57 > T57.9 > T57.94 T57.94 Toxic effect of unspecified inorganic substance, undetermined Non-Billable/Non-Specific Codes T57.94XA..., initial encounterT57.94XD..., subsequent encounterT57.94XS..., sequela