T71.222 - Asphyxiation due to being trapped in a car trunk, intentional self-harm T71.2 - Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air T71.22 - Asphyxiation due to being trapped in a car trunk T71.222 - Asphyxiation due to being trapped in a car trunk, intentional self-harm