NONINFECTIOUS ENTERITIS AND COLITIS (555-558)
555 Regional enteritis
Includes:
Crohn's disease
Granulomatous enteritis
Excludes:
ulcerative colitis (556)
555.0: Small intestine
Ileitis:
regional
segmental
terminal
Regional enteritis or Crohn's disease of:
duodenum
ileum
jejunum
555.1: Large intestine
Colitis:
granulomatous
regional
transmural
Regional enteritis or Crohn's disease of:
colon
large bowel
rectum
555.2: Small intestine with large intestine
Regional ileocolitis
555.9: Unspecified site
Crohn's disease NOS
Regional enteritis NOS
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