T71.2
T71.2: Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air
Non-billable headerICD-10-CM
T71.2 is a non-billable header ICD-10-CM code for asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T71
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Suffocation due to systemic oxygen deficiency due to low oxygen content in ambient air
Excludes1 inherited from the categories above T71.2
A category’s note binds every code beneath it.
Written on T71: Asphyxiation
Other codes that can never be billed with T71.2
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R09.0Asphyxia and hypoxemia
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T71.2
5 child codes. Green means billable.
- T71.20Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause
- T71.21Asphyxiation due to cave-in or falling earth
- T71.22Asphyxiation due to being trapped in a car trunk
- T71.23Asphyxiation due to being trapped in a (discarded) refrigerator
- T71.29Asphyxiation due to being trapped in other low oxygen environment