ICD-10-CM > S00-T88 > T66-T78 > T71 > T71.2 > T71.22 > T71.222 T71.222 Asphyxiation due to being trapped in a car trunk, intentional self-harm Non-Billable/Non-Specific Codes T71.222A..., initial encounterT71.222D..., subsequent encounterT71.222S..., sequela