Convert ICD-10 Code K81.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K81.9 Cholecystitis, unspecified		575.10 Cholecystitis NOS

ICD-10 to ICD-9 crosswalk for code K81.9 - cholecystitis, unspecified based on the most recent General Equivalence Mappings (GEMS) information.