Convert ICD-10 Code C45.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C45.1 Mesothelioma of peritoneum		158.8 Mal neo peritoneum 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 C45.1 - mesothelioma of peritoneum based on the most recent General Equivalence Mappings (GEMS) information.