Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air
Requires 7th character
T71.2 requires a 7th character to be reported. Choose a complete code below.
Inclusion terms
Applicable to
- Suffocation due to systemic oxygen deficiency due to low oxygen content in ambient air
Includes (from T71)
- Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Excludes1
Not coded here — never report together with this code.
- acute respiratory distress (syndrome) (J80) (from T71)
- anoxia due to high altitude (T70.2) (from T71)
- asphyxia NOS (R09.01) (from T71)
- asphyxia from carbon monoxide (T58.-) (from T71)
- asphyxia from inhalation of food or foreign body (T17.-) (from T71)
- asphyxia from other gases, fumes and vapors (T59.-) (from T71)
- respiratory distress (syndrome) in newborn (P22.-) (from T71)
Excludes2
Not included here — may be reported together when both conditions exist.
Use additional code
Add a code to identify the following, if applicable.
Code also
An additional code may be needed.
- , if applicable, place of occurrence, such as: (from T71)
- highway rest stop (Y92.523) (from T71)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-) (from T71)
- service areas as the place of occurrence of the external cause (Y92.52-) (from T71)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-) (from T71)
- transport vehicle as the place of occurrence of the external cause (Y92.81-) (from T71)
7th character
This code requires a 7th character (defined at T71). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Also known as
- Suffocation due to systemic oxygen deficiency due to low oxygen content in ambient air
Parent code
- T71AsphyxiationNeeds 7th char
More specific codes T71.2
- T71.20Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified causeNeeds 7th char
- T71.21Asphyxiation due to cave-in or falling earthNeeds 7th char
- T71.22Asphyxiation due to being trapped in a car trunkNeeds 7th char
- T71.23Asphyxiation due to being trapped in a (discarded) refrigeratorNeeds 7th char
- T71.29Asphyxiation due to being trapped in other low oxygen environmentNeeds 7th char