Intestinal infectious diseases (A00-A09)
A00Cholera
A00.0Cholera due to Vibrio cholerae 01, biovar cholerae
› Classical cholera
A00.1Cholera due to Vibrio cholerae 01, biovar eltor
› Cholera eltor
A00.9Cholera, unspecified
A01Typhoid and paratyphoid fevers
A01.0Typhoid fever
› Infection due to Salmonella typhi
A01.00Typhoid fever, unspecified
A01.01Typhoid meningitis
A01.02Typhoid fever with heart involvement
› Typhoid endocarditis
› Typhoid myocarditis
A01.03Typhoid pneumonia
A01.04Typhoid arthritis
A01.05Typhoid osteomyelitis
A01.09Typhoid fever with other complications
A01.1Paratyphoid fever A
A01.2Paratyphoid fever B
A01.3Paratyphoid fever C
A01.4Paratyphoid fever, unspecified
› Infection due to Salmonella paratyphi NOS
A02Other salmonella infections
Includes: infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi
A02.0Salmonella enteritis
› Salmonellosis
A02.1Salmonella sepsis
A02.2Localized salmonella infections
A02.20Localized salmonella infection, unspecified
A02.21Salmonella meningitis
A02.22Salmonella pneumonia
A02.23Salmonella arthritis
A02.24Salmonella osteomyelitis
A02.25Salmonella pyelonephritis
› Salmonella tubulo-interstitial nephropathy
A02.29Salmonella with other localized infection
A02.8Other specified salmonella infections
A02.9Salmonella infection, unspecified
A03Shigellosis
A03.0Shigellosis due to Shigella dysenteriae
› Group A shigellosis [Shiga-Kruse dysentery]
A03.1Shigellosis due to Shigella flexneri
› Group B shigellosis
A03.2Shigellosis due to Shigella boydii
› Group C shigellosis
A03.3Shigellosis due to Shigella sonnei
› Group D shigellosis
A03.8Other shigellosis
A03.9Shigellosis, unspecified
› Bacillary dysentery NOS
A04Other bacterial intestinal infections
Excludes 1: bacterial foodborne intoxications, NEC (A05.-)
› tuberculous enteritis (A18.32)
A04.0Enteropathogenic Escherichia coli infection
A04.1Enterotoxigenic Escherichia coli infection
A04.2Enteroinvasive Escherichia coli infection
A04.3Enterohemorrhagic Escherichia coli infection
A04.4Other intestinal Escherichia coli infections
› Escherichia coli enteritis NOS
A04.5Campylobacter enteritis
A04.6Enteritis due to Yersinia enterocolitica
Excludes 1: extraintestinal yersiniosis (A28.2)
A04.7Enterocolitis due to Clostridium difficile
› Foodborne intoxication by Clostridium difficile
› Pseudomembraneous colitis
A04.71Enterocolitis due to Clostridium difficile, recurrent
A04.72Enterocolitis due to Clostridium difficile, not specified as recurrent
A04.8Other specified bacterial intestinal infections
A04.9Bacterial intestinal infection, unspecified
› Bacterial enteritis NOS
A05Other bacterial foodborne intoxications, not elsewhere classified
Excludes 1: Clostridium difficile foodborne intoxication and infection (A04.7-)
› Escherichia coli infection (A04.0-A04.4)
› listeriosis (A32.-)
› salmonella foodborne intoxication and infection (A02.-)
› toxic effect of noxious foodstuffs (T61-T62)
A05.0Foodborne staphylococcal intoxication
A05.1Botulism food poisoning
› Botulism NOS
› Classical foodborne intoxication due to Clostridium botulinum
Excludes 1: infant botulism (A48.51)
› wound botulism (A48.52)
A05.2Foodborne Clostridium perfringens [Clostridium welchii] intoxication
› Enteritis necroticans
› Pig-bel
A05.3Foodborne Vibrio parahaemolyticus intoxication
A05.4Foodborne Bacillus cereus intoxication
A05.5Foodborne Vibrio vulnificus intoxication
A05.8Other specified bacterial foodborne intoxications
A05.9Bacterial foodborne intoxication, unspecified
A06Amebiasis
Includes: infection due to Entamoeba histolytica
Excludes 1: other protozoal intestinal diseases (A07.-)
Excludes 2: acanthamebiasis (B60.1-)
› Naegleriasis (B60.2)
A06.0Acute amebic dysentery
› Acute amebiasis
› Intestinal amebiasis NOS
A06.1Chronic intestinal amebiasis
A06.2Amebic nondysenteric colitis
A06.3Ameboma of intestine
› Ameboma NOS
A06.4Amebic liver abscess
› Hepatic amebiasis
A06.5Amebic lung abscess
› Amebic abscess of lung (and liver)
A06.6Amebic brain abscess
› Amebic abscess of brain (and liver) (and lung)
A06.7Cutaneous amebiasis
A06.8Amebic infection of other sites
A06.81Amebic cystitis
A06.82Other amebic genitourinary infections
› Amebic balanitis
› Amebic vesiculitis
› Amebic vulvovaginitis
A06.89Other amebic infections
› Amebic appendicitis
› Amebic splenic abscess
A06.9Amebiasis, unspecified
A07Other protozoal intestinal diseases
A07.0Balantidiasis
› Balantidial dysentery
A07.1Giardiasis [lambliasis]
A07.2Cryptosporidiosis
A07.3Isosporiasis
› Infection due to Isospora belli and Isospora hominis
› Intestinal coccidiosis
› Isosporosis
A07.4Cyclosporiasis
A07.8Other specified protozoal intestinal diseases
› Intestinal microsporidiosis
› Intestinal trichomoniasis
› Sarcocystosis
› Sarcosporidiosis
A07.9Protozoal intestinal disease, unspecified
› Flagellate diarrhea
› Protozoal colitis
› Protozoal diarrhea
› Protozoal dysentery
A08Viral and other specified intestinal infections
Excludes 1: influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)
A08.0Rotaviral enteritis
A08.1Acute gastroenteropathy due to Norwalk agent and other small round viruses
A08.11Acute gastroenteropathy due to Norwalk agent
› Acute gastroenteropathy due to Norovirus
› Acute gastroenteropathy due to Norwalk-like agent
A08.19Acute gastroenteropathy due to other small round viruses
› Acute gastroenteropathy due to small round virus [SRV] NOS
A08.2Adenoviral enteritis
A08.3Other viral enteritis
A08.31Calicivirus enteritis
A08.32Astrovirus enteritis
A08.39Other viral enteritis
› Coxsackie virus enteritis
› Echovirus enteritis
› Enterovirus enteritis NEC
› Torovirus enteritis
A08.4Viral intestinal infection, unspecified
› Viral enteritis NOS
› Viral gastroenteritis NOS
› Viral gastroenteropathy NOS
A08.8Other specified intestinal infections
A09Infectious gastroenteritis and colitis, unspecified
› Infectious colitis NOS
› Infectious enteritis NOS
› Infectious gastroenteritis NOS
Excludes 1: colitis NOS (K52.9)
› diarrhea NOS (R19.7)
› enteritis NOS (K52.9)
› gastroenteritis NOS (K52.9)
› noninfective gastroenteritis and colitis, unspecified (K52.9)