K63: Other diseases of intestine
K63.0: Abscess of intestine

excludes1
abscess of intestine with Crohn's disease (K50.014, K50.114, K50.814, K50.914,)
abscess of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
abscess of intestine with ulcerative colitis (K51.014, K51.214, K51.314, K51.414, K51.514, K51.814, K51.914)

excludes2
abscess of anal and rectal regions (K61.-)
abscess of appendix (K35.3-)

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