ICD-10-CM 2027 · K50-K52

Noninfective enteritis and colitis

Part of chapter 11, diseases of the digestive system.

About K50-K52

Block K50-K52 contains 3 categories and 91 billable codes for FY2027. No codes here changed in the FY2027 update. 0 codes are MCCs and 79 are CCs when reported as secondary diagnoses.

K50Crohn's disease [regional enteritis]

K50.0Crohn's disease of small intestine
K50.1Crohn's disease of large intestine
K50.8Crohn's disease of both small and large intestine
K50.9Crohn's disease, unspecified

K51Ulcerative colitis

K51.0Ulcerative (chronic) pancolitis
K51.2Ulcerative (chronic) proctitis
K51.3Ulcerative (chronic) rectosigmoiditis
K51.4Inflammatory polyps of colon
K51.5Left sided colitis
K51.8Other ulcerative colitis
K51.9Ulcerative colitis, unspecified

K52Other and unspecified noninfective gastroenteritis and colitis

K52.0Gastroenteritis and colitis due to radiation
K52.1Toxic gastroenteritis and colitis
K52.2Allergic and dietetic gastroenteritis and colitis
K52.3Indeterminate colitis
K52.8Other specified noninfective gastroenteritis and colitis
K52.9Noninfective gastroenteritis and colitis, unspecified

Block notes

Includes

noninfective inflammatory bowel disease

Excludes1

irritable bowel syndrome (K58.-)
megacolon (K59.3-)