K57: Diverticular disease of intestine
K57.2: Diverticulitis of large intestine with perforation and abscess

excludes1
diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
K57.20: Diverticulitis of large intestine with perforation and abscess without bleeding
K57.21: Diverticulitis of large intestine with perforation and abscess with bleeding

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