Convert ICD-10 Code A51.46 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
A51.46 Secondary syphilitic osteopathy		091.61 Syphilitic periostitis
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 A51.46 - secondary syphilitic osteopathy based on the most recent General Equivalence Mappings (GEMS) information.