Asphyxiation

**Inclusion terms:** - Mechanical suffocation - Traumatic suffocation

**Excludes1:** - acute respiratory distress (syndrome) (J80) - anoxia due to high altitude (T70.2) - asphyxia NOS (R09.01) - asphyxia from carbon monoxide (T58.-) - asphyxia from inhalation of food or foreign body (T17.-) - asphyxia from other gases, fumes and vapors (T59.-) - respiratory distress (syndrome) in newborn (P22.-)

**7th character note:** - The appropriate 7th character is to be added to each code from category T71

**7th character:** - A: initial encounter - D: subsequent encounter - S: sequela