Convert ICD-10 Code J43.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J43.9 Emphysema, unspecified		492.0 Emphysematous bleb
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.
J43.9 Emphysema, unspecified		492.8 Emphysema NEC
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code J43.9 - emphysema, unspecified based on the most recent General Equivalence Mappings (GEMS) information.