| K50.0 | Crohn's disease of small intestine Crohn's disease [regional enteritis] of:
 duodenum
 ileum
 jejunum
 Ileitis:
 regional
 terminal
 
 
Excludes:
with Crohn's disease of large intestine ( K50.8 ) 
 | 
	| K50.1 | Crohn's disease of large intestine Colitis:
 granulomatous
 regional
 Crohn's disease [regional enteritis] of:
 colon
 large bowel
 rectum
 
 
Excludes:
with Crohn's disease of small intestine ( K50.8 ) 
 | 
	| K50.8 | Other Crohn's disease Crohn's disease of both small and large intestine
 | 
	| K50.9 | Crohn's disease, unspecified Regional enteritis NOS
 |