T71.20

Asphyx due to sys oxy defic due to low oxy in air unsp cause Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause

Asphyx due to sys oxy defic due to low oxy in air unsp cause Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause: Injury, poisoning and certain other consequences of external causes (ICD-10-CM S00 to T88), a category with codes of its own under it.