Convert ICD-10 Code K57.20 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K57.20 Dvtrcli of lg int w perforation and abscess w/o bleeding		562.11 Dvrtcli colon w/o hmrhg
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
K57.20 Dvtrcli of lg int w perforation and abscess w/o bleeding		569.5 Intestinal abscess
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code K57.20 - diverticulitis of large intestine with perforation and abscess without bleeding based on the most recent General Equivalence Mappings (GEMS) information.