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ICD-10 CM Code T71.21

T71.21 Asphyxiation due to cave-in or falling earth

Inclusion Term

Suffocation due to systemic oxygen deficiency due to low oxygen content in ambient air
Mechanical suffocation
Traumatic suffocation

Excludes Type 1

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

The appropriate 7th character is to be added to each code from category T71

A - initial encounter
D - subsequent encounter
S - sequela

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