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 hernia
 * intestinal hernia
 * intra-abdominal hernia
 * Excludes1: vaginal enterocele (N81.5)
 * K46.0 Unspecified abdominal hernia with obstruction, without gangrene
 * Unspecified abdominal hernia causing obstruction
 * Unspecified incarcerated abdominal hernia
 * Unspecified irreducible abdominal hernia
 * Unspecified strangulated abdominal hernia
 * K46.1 Unspecified abdominal hernia with gangrene
 * Any condition listed under K46 specified as gangrenous
 * K46.9 Unspecified abdominal hernia without obstruction or gangrene
 * Abdominal hernia NOS

=Noninfective enteritis and colitis (K50-K52)=
 * Includes: noninfective inflammatory bowel disease
 * Excludes1: irritable bowel syndrome (K58.-)
 * megacolon (K59.3)

K50 Crohn's disease [regional enteritis]

 * Includes: granulomatous enteritis
 * Excludes1: ulcerative colitis (K51.-)
 * Use additional code to identify manifestations, such as:
 * pyoderma gangrenosum (L88)
 * K50.0 Crohn's disease of small intestine
 * Crohn's disease [regional enteritis] of duodenum
 * Crohn's disease [regional enteritis] of ileum
 * Crohn's disease [regional enteritis] of jejunum
 * Regional ileitis
 * Terminal ileitis
 * Excludes1: Crohn's disease of both small and large intestine (K50.8-)
 * 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.