Convert ICD-10 Code C83.31 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C83.31 Diffuse large B-cell lymphoma, nodes of head, face, and neck		200.01 Reticulosarcoma head
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.
C83.31 Diffuse large B-cell lymphoma, nodes of head, face, and neck		200.71 Large cell lymphoma head
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 C83.31 - diffuse large b-cell lymphoma, lymph nodes of head, face, and neck based on the most recent General Equivalence Mappings (GEMS) information.