A00.0   Cholera due to Vibrio cholerae 01, biovar cholerae
A00.1   Cholera due to Vibrio cholerae 01, biovar eltor
A00.9   Cholera, unspecified
A02.0   Salmonella enteritis
A03.0   Shigellosis due to Shigella dysenteriae
A03.1   Shigellosis due to Shigella flexneri
A03.2   Shigellosis due to Shigella boydii
A03.3   Shigellosis due to Shigella sonnei
A03.8   Other shigellosis
A03.9   Shigellosis, unspecified
A04.0   Enteropathogenic Escherichia coli infection
A04.1   Enterotoxigenic Escherichia coli infection
A04.2   Enteroinvasive Escherichia coli infection
A04.3   Enterohemorrhagic Escherichia coli infection
A04.4   Other intestinal Escherichia coli infections
A04.5   Campylobacter enteritis
A04.6   Enteritis due to Yersinia enterocolitica
A04.71   Enterocolitis due to Clostridium difficile, recurrent
A04.72   Enterocolitis due to Clostridium difficile, not specified as recurrent
A04.8   Other specified bacterial intestinal infections
A04.9   Bacterial intestinal infection, unspecified
A05.0   Foodborne staphylococcal intoxication
A05.2   Foodborne Clostridium perfringens Clostridium welchii intoxication
A05.3   Foodborne Vibrio parahaemolyticus intoxication
A05.4   Foodborne Bacillus cereus intoxication
A05.5   Foodborne Vibrio vulnificus intoxication
A05.8   Other specified bacterial foodborne intoxications
A06.0   Acute amebic dysentery
A06.1   Chronic intestinal amebiasis
A06.2   Amebic nondysenteric colitis
A07.0   Balantidiasis
A07.1   Giardiasis lambliasis
A07.2   Cryptosporidiosis
A07.3   Isosporiasis
A07.4   Cyclosporiasis
A07.8   Other specified protozoal intestinal diseases
A07.9   Protozoal intestinal disease, unspecified
A18.31   Tuberculous peritonitis
A18.32   Tuberculous enteritis
A18.39   Retroperitoneal tuberculosis
A18.83   Tuberculosis of digestive tract organs, not elsewhere classified
A21.3   Gastrointestinal tularemia
A22.2   Gastrointestinal anthrax
A42.1   Abdominal actinomycosis
A54.85   Gonococcal peritonitis
B69.0   Cysticercosis of central nervous system
B69.1   Cysticercosis of eye
B69.81   Myositis in cysticercosis
B69.89   Cysticercosis of other sites
B69.9   Cysticercosis, unspecified
B70.1   Sparganosis
B71.0   Hymenolepiasis
B71.1   Dipylidiasis
B71.8   Other specified cestode infections
B71.9   Cestode infection, unspecified
B76.0   Ancylostomiasis
B76.1   Necatoriasis
B76.8   Other hookworm diseases
B76.9   Hookworm disease, unspecified
K35.2   Acute appendicitis with generalized peritonitis
K35.3   Acute appendicitis with localized peritonitis
K63.0   Abscess of intestine
K65.0   Generalized (acute) peritonitis
K65.1   Peritoneal abscess
K65.2   Spontaneous bacterial peritonitis
K65.8   Other peritonitis
K65.9   Peritonitis, unspecified
K68.12   Psoas muscle abscess
K68.19   Other retroperitoneal abscess
K68.9   Other disorders of retroperitoneum