R09 - Other symptoms and signs involving the circulatory and respiratory system
R09.0 - Asphyxia and hypoxemia
Excludes 1:
-asphyxia due to carbon monoxide (T58.-)
-asphyxia due to foreign body in respiratory tract (T17.-)
-birth (intrauterine) asphyxia (P84)
-hypercapnia R06.4)
-hyperventilation R06.4)
-traumatic asphyxia (T71.-)
R09.01 - Asphyxia
R09.02 - Hypoxemia