Convert ICD-10 Code T71.20XA to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T71.20XA Asphyx d/t sys oxy defic d/t low oxy in air unsp cause, init		994.7 Asphyxiation/strangulat
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T71.20XA Asphyx d/t sys oxy defic d/t low oxy in air unsp cause, init		E913.2 Suffocation-lack of air
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code T71.20XA - asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.