- Has one of the following diagnoses with evidence of intra-peritoneal infection: cholecystitis (including gangrenous cholecystitis) with rupture, perforation, or progression of the infection beyond the gallbladder wall; diverticular disease with perforation or abscess; appendiceal perforation or periappendiceal abscess; acute gastric or duodenal perforation, traumatic perforation of the intestine; peritonitis due to perforated viscus or following a prior operative procedure; or Intra-abdominal abscess (including liver and spleen).