Convert ICD-10 Code G31.89 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G31.89 Other specified degenerative diseases of nervous system		331.89 Cereb degeneration NEC
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 G31.89 - other specified degenerative diseases of nervous system based on the most recent General Equivalence Mappings (GEMS) information.