Convert ICD-10 Code D33.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D33.9 Benign neoplasm of central nervous system, unspecified		225.9 Benign neo nerv sys 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 D33.9 - benign neoplasm of central nervous system, unspecified based on the most recent General Equivalence Mappings (GEMS) information.