Convert ICD-9 Code 209.31 to ICD-10

Source ICD-9 Code		Target ICD-10 Code
209.31 Merkel cell ca-face		C4A.0 Merkel cell carcinoma of lip
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.
209.31 Merkel cell ca-face		C4A.10 Merkel cell carcinoma of unsp eyelid, including canthus
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.
209.31 Merkel cell ca-face		C4A.20 Merkel cell carcinoma of unsp ear and external auric canal
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.
209.31 Merkel cell ca-face		C4A.30 Merkel cell carcinoma of unspecified part of 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.
209.31 Merkel cell ca-face		C4A.39 Merkel cell carcinoma of other parts of 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-9 to ICD-10 crosswalk for code 209.31 - merkel cell carcinoma of the face based on the most recent General Equivalence Mappings (GEMS) information.