T71.20
Billable codeAsphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause
The ICD-10 code for asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause is T71.20.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T71.21Asphyxiation due to cave-in or falling earth
- T71.22Asphyxiation due to being trapped in a car trunknon-billable header
- T71.23Asphyxiation due to being trapped in a (discarded) refrigeratornon-billable header
- T71.29Asphyxiation due to being trapped in other low oxygen environment
- T71.20Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause