Convert ICD-10 Code C78.00 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C78.00 Secondary malignant neoplasm of unspecified lung		197.0 Secondary malig neo lung
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 C78.00 - secondary malignant neoplasm of unspecified lung based on the most recent General Equivalence Mappings (GEMS) information.