Convert ICD-10 Code K59.31 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K59.31 Toxic megacolon		556.9 Ulceratve colitis unspcf
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 K59.31 - toxic megacolon based on the most recent General Equivalence Mappings (GEMS) information.