Convert ICD-10 Code M63.831 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
M63.831 Disorders of muscle in diseases classd elswhr, right forearm		728.9 Muscle/ligament dis NOS
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 M63.831 - disorders of muscle in diseases classified elsewhere, right forearm based on the most recent General Equivalence Mappings (GEMS) information.