ICD-10-CM > K00-K95 > K50-K52 K50-K52 Noninfective enteritis and colitis Includes noninfective inflammatory bowel disease Type 1 Excludes irritable bowel syndrome (K58.-)megacolon (K59.3-) Codes K50Crohn's disease [regional enteritis]K51Ulcerative colitisK52Other and unspecified noninfective gastroenteritis and colitis