ICD-10-CM > S00-T88 > T51-T65 > T58 > T58.0 > T58.02 T58.02 Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm Non-Billable/Non-Specific Codes T58.02XA..., initial encounterT58.02XD..., subsequent encounterT58.02XS..., sequela