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Convert ICD-10 Code K51.813 to ICD-9

Source ICD-10 Code Target ICD-9 Code
K51.813
Other ulcerative colitis with fistula		556.8
Other ulcerative colitis
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
K51.813
Other ulcerative colitis with fistula		569.81
Intestinal fistula
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 K51.813 - other ulcerative colitis with fistula based on the most recent General Equivalence Mappings (GEMS) information.