Convert ICD-10 Code C4A.30 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C4A.30 Merkel cell carcinoma of unspecified part of face		209.31 Merkel cell ca-face
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 C4A.30 - merkel cell carcinoma of unspecified part of face based on the most recent General Equivalence Mappings (GEMS) information.