ICD-10-CM > S00-T88 > T51-T65 > T59 > T59.8 > T59.89 > T59.891 T59.891 Toxic effect of other specified gases, fumes and vapors, accidental (unintentional) Non-Billable/Non-Specific Codes T59.891A..., initial encounterT59.891D..., subsequent encounterT59.891S..., sequela