Convert ICD-10 Code M17.31 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M17.31 Unilateral post-traumatic osteoarthritis, right knee		715.26 Loc 2nd osteoarthr-l/leg
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 M17.31 - unilateral post-traumatic osteoarthritis, right knee based on the most recent General Equivalence Mappings (GEMS) information.