ICD-10-CM > S00-T88 > T51-T65 > T58 > T58.8 > T58.8X > T58.8X3 T58.8X3 Toxic effect of carbon monoxide from other source, assault Non-Billable/Non-Specific Codes T58.8X3A..., initial encounterT58.8X3D..., subsequent encounterT58.8X3S..., sequela