Section K50-K52 | Noninfective enteritis and colitis

K50

Code hierarchy

K50 Crohn's disease [regional enteritis]
- K50.0 Crohn's disease of small intestine
  - K50.00 Crohn's disease of small intestine without complications
  - K50.01 Crohn's disease of small intestine with complications
    - K50.011 Crohn's disease of small intestine with rectal bleeding
    - K50.012 Crohn's disease of small intestine with intestinal obstruction
    - K50.013 Crohn's disease of small intestine with fistula
    - K50.014 Crohn's disease of small intestine with abscess
    - K50.018 Crohn's disease of small intestine with other complication
    - K50.019 Crohn's disease of small intestine with unspecified complications
- K50.1 Crohn's disease of large intestine
  - K50.10 Crohn's disease of large intestine without complications
  - K50.11 Crohn's disease of large intestine with complications
    - K50.111 Crohn's disease of large intestine with rectal bleeding
    - K50.112 Crohn's disease of large intestine with intestinal obstruction
    - K50.113 Crohn's disease of large intestine with fistula
    - K50.114 Crohn's disease of large intestine with abscess
    - K50.118 Crohn's disease of large intestine with other complication
    - K50.119 Crohn's disease of large intestine with unspecified complications
- K50.8 Crohn's disease of both small and large intestine
  - K50.80 Crohn's disease of both small and large intestine without complications
  - K50.81 Crohn's disease of both small and large intestine with complications
    - K50.811 Crohn's disease of both small and large intestine with rectal bleeding
    - K50.812 Crohn's disease of both small and large intestine with intestinal obstruction
    - K50.813 Crohn's disease of both small and large intestine with fistula
    - K50.814 Crohn's disease of both small and large intestine with abscess
    - K50.818 Crohn's disease of both small and large intestine with other complication
    - K50.819 Crohn's disease of both small and large intestine with unspecified complications
- K50.9 Crohn's disease, unspecified
  - K50.90 Crohn's disease, unspecified, without complications
  - K50.91 Crohn's disease, unspecified, with complications
    - K50.911 Crohn's disease, unspecified, with rectal bleeding
    - K50.912 Crohn's disease, unspecified, with intestinal obstruction
    - K50.913 Crohn's disease, unspecified, with fistula
    - K50.914 Crohn's disease, unspecified, with abscess
    - K50.918 Crohn's disease, unspecified, with other complication
    - K50.919 Crohn's disease, unspecified, with unspecified complications

Crohn's disease [regional enteritis]

K51

Code hierarchy

K51 Ulcerative colitis
- K51.0 Ulcerative (chronic) pancolitis
  - K51.00 Ulcerative (chronic) pancolitis without complications
  - K51.01 Ulcerative (chronic) pancolitis with complications
    - K51.011 Ulcerative (chronic) pancolitis with rectal bleeding
    - K51.012 Ulcerative (chronic) pancolitis with intestinal obstruction
    - K51.013 Ulcerative (chronic) pancolitis with fistula
    - K51.014 Ulcerative (chronic) pancolitis with abscess
    - K51.018 Ulcerative (chronic) pancolitis with other complication
    - K51.019 Ulcerative (chronic) pancolitis with unspecified complications
- K51.2 Ulcerative (chronic) proctitis
  - K51.20 Ulcerative (chronic) proctitis without complications
  - K51.21 Ulcerative (chronic) proctitis with complications
    - K51.211 Ulcerative (chronic) proctitis with rectal bleeding
    - K51.212 Ulcerative (chronic) proctitis with intestinal obstruction
    - K51.213 Ulcerative (chronic) proctitis with fistula
    - K51.214 Ulcerative (chronic) proctitis with abscess
    - K51.218 Ulcerative (chronic) proctitis with other complication
    - K51.219 Ulcerative (chronic) proctitis with unspecified complications
- K51.3 Ulcerative (chronic) rectosigmoiditis
  - K51.30 Ulcerative (chronic) rectosigmoiditis without complications
  - K51.31 Ulcerative (chronic) rectosigmoiditis with complications
    - K51.311 Ulcerative (chronic) rectosigmoiditis with rectal bleeding
    - K51.312 Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
    - K51.313 Ulcerative (chronic) rectosigmoiditis with fistula
    - K51.314 Ulcerative (chronic) rectosigmoiditis with abscess
    - K51.318 Ulcerative (chronic) rectosigmoiditis with other complication
    - K51.319 Ulcerative (chronic) rectosigmoiditis with unspecified complications
- K51.4 Inflammatory polyps of colon
  - K51.40 Inflammatory polyps of colon without complications
  - K51.41 Inflammatory polyps of colon with complications
    - K51.411 Inflammatory polyps of colon with rectal bleeding
    - K51.412 Inflammatory polyps of colon with intestinal obstruction
    - K51.413 Inflammatory polyps of colon with fistula
    - K51.414 Inflammatory polyps of colon with abscess
    - K51.418 Inflammatory polyps of colon with other complication
    - K51.419 Inflammatory polyps of colon with unspecified complications
- K51.5 Left sided colitis
  - K51.50 Left sided colitis without complications
  - K51.51 Left sided colitis with complications
    - K51.511 Left sided colitis with rectal bleeding
    - K51.512 Left sided colitis with intestinal obstruction
    - K51.513 Left sided colitis with fistula
    - K51.514 Left sided colitis with abscess
    - K51.518 Left sided colitis with other complication
    - K51.519 Left sided colitis with unspecified complications
- K51.8 Other ulcerative colitis
  - K51.80 Other ulcerative colitis without complications
  - K51.81 Other ulcerative colitis with complications
    - K51.811 Other ulcerative colitis with rectal bleeding
    - K51.812 Other ulcerative colitis with intestinal obstruction
    - K51.813 Other ulcerative colitis with fistula
    - K51.814 Other ulcerative colitis with abscess
    - K51.818 Other ulcerative colitis with other complication
    - K51.819 Other ulcerative colitis with unspecified complications
- K51.9 Ulcerative colitis, unspecified
  - K51.90 Ulcerative colitis, unspecified, without complications
  - K51.91 Ulcerative colitis, unspecified, with complications
    - K51.911 Ulcerative colitis, unspecified with rectal bleeding
    - K51.912 Ulcerative colitis, unspecified with intestinal obstruction
    - K51.913 Ulcerative colitis, unspecified with fistula
    - K51.914 Ulcerative colitis, unspecified with abscess
    - K51.918 Ulcerative colitis, unspecified with other complication
    - K51.919 Ulcerative colitis, unspecified with unspecified complications

Ulcerative colitis

K52

Code hierarchy

K52 Other and unspecified noninfective gastroenteritis and colitis
- K52.0 Gastroenteritis and colitis due to radiation
- K52.1 Toxic gastroenteritis and colitis
- K52.2 Allergic and dietetic gastroenteritis and colitis
  - K52.21 Food protein-induced enterocolitis syndrome
  - K52.22 Food protein-induced enteropathy
  - K52.29 Other allergic and dietetic gastroenteritis and colitis
- K52.3 Indeterminate colitis
- K52.8 Other specified noninfective gastroenteritis and colitis
  - K52.81 Eosinophilic gastritis or gastroenteritis
  - K52.82 Eosinophilic colitis
  - K52.83 Microscopic colitis
    - K52.831 Collagenous colitis
    - K52.832 Lymphocytic colitis
    - K52.838 Other microscopic colitis
    - K52.839 Microscopic colitis, unspecified
  - K52.89 Other specified noninfective gastroenteritis and colitis
- K52.9 Noninfective gastroenteritis and colitis, unspecified

Other and unspecified noninfective gastroenteritis and colitis

Section K50-K52 Noninfective enteritis and colitis K50-K52

Includes for K50-K52:

Excludes-1 for K50-K52:

Code List:

Code hierarchy

Code hierarchy

Code hierarchy