ICD-10-CM > S00-T88 > T51-T65 > T59 > T59.0 > T59.0X > T59.0X1 T59.0X1 Toxic effect of nitrogen oxides, accidental (unintentional) Non-Billable/Non-Specific Applicable To Toxic effect of nitrogen oxides NOS Codes T59.0X1A..., initial encounterT59.0X1D..., subsequent encounterT59.0X1S..., sequela