Convert ICD-10 Code Z99.81 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Z99.81 Dependence on supplemental oxygen		V46.2 Depend-supplement oxygen

ICD-10 to ICD-9 crosswalk for code Z99.81 - dependence on supplemental oxygen based on the most recent General Equivalence Mappings (GEMS) information.