Convert ICD-10 Code M87.159 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M87.159 Osteonecrosis due to drugs, unspecified femur		733.42 Aseptic necrosis femur
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.
M87.159 Osteonecrosis due to drugs, unspecified femur		733.43 Asept necro femur condyl
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 M87.159 - osteonecrosis due to drugs, unspecified femur based on the most recent General Equivalence Mappings (GEMS) information.