Convert ICD-10 Code M18.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M18.9 Osteoarthritis of first carpometacarpal joint, unspecified		715.34 Loc osteoarth NOS-hand
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.
M18.9 Osteoarthritis of first carpometacarpal joint, unspecified		715.94 Osteoarthros NOS-hand
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 M18.9 - osteoarthritis of first carpometacarpal joint, unspecified based on the most recent General Equivalence Mappings (GEMS) information.