ICD-10-CM > S00-T88 > T66-T78 > T71 > T71.2 > T71.22 > T71.224 T71.224 Asphyxiation due to being trapped in a car trunk, undetermined Non-Billable/Non-Specific Codes T71.224A..., initial encounterT71.224D..., subsequent encounterT71.224S..., sequela