T71.20 Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause

The following code(s) above T71.20 may contain annotation back-references that may be applicable to T71.20:

• Injury, poisoning and certain other consequences of external causes (S00-T88)
• Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air (T71.2)

Diagnosis Index

Asphyxia, Asphyxiation R09.01
- Traumatic T71.9
-- Due To
--- Low Oxygen Content Of Ambient Air T71.20