ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 1  /  A00-A09

Intestinal infectious diseases (A00-A09)

A00 Cholera
A00.0 Cholera due to Vibrio cholerae 01, biovar cholerae
Classical cholera
A00.1 Cholera due to Vibrio cholerae 01, biovar eltor
Cholera eltor
A00.9 Cholera, unspecified
A01 Typhoid and paratyphoid fevers
A01.0 Typhoid fever
Infection due to Salmonella typhi
A01.00 Typhoid fever, unspecified
A01.01 Typhoid meningitis
A01.02 Typhoid fever with heart involvement
Typhoid endocarditis
Typhoid myocarditis
A01.03 Typhoid pneumonia
A01.04 Typhoid arthritis
A01.05 Typhoid osteomyelitis
A01.09 Typhoid fever with other complications
A01.1 Paratyphoid fever A
A01.2 Paratyphoid fever B
A01.3 Paratyphoid fever C
A01.4 Paratyphoid fever, unspecified
Infection due to Salmonella paratyphi NOS
A02 Other salmonella infections
Includes infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi
A02.0 Salmonella enteritis
Salmonellosis
A02.1 Salmonella sepsis
A02.2 Localized salmonella infections
A02.20 Localized salmonella infection, unspecified
A02.21 Salmonella meningitis
A02.22 Salmonella pneumonia
A02.23 Salmonella arthritis
A02.24 Salmonella osteomyelitis
A02.25 Salmonella pyelonephritis
Salmonella tubulo-interstitial nephropathy
A02.29 Salmonella with other localized infection
A02.8 Other specified salmonella infections
A02.9 Salmonella infection, unspecified
A03 Shigellosis
A03.0 Shigellosis due to Shigella dysenteriae
Group A shigellosis [Shiga-Kruse dysentery]
A03.1 Shigellosis due to Shigella flexneri
Group B shigellosis
A03.2 Shigellosis due to Shigella boydii
Group C shigellosis
A03.3 Shigellosis due to Shigella sonnei
Group D shigellosis
A03.8 Other shigellosis
A03.9 Shigellosis, unspecified
Bacillary dysentery NOS
A04 Other bacterial intestinal infections
Excludes1 bacterial foodborne intoxications, NEC (A05.-)
tuberculous enteritis (A18.32)
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
Escherichia coli enteritis NOS
A04.5 Campylobacter enteritis
A04.6 Enteritis due to Yersinia enterocolitica
Excludes1 extraintestinal yersiniosis (A28.2)
A04.7 Enterocolitis due to Clostridium difficile
Foodborne intoxication by Clostridium difficile
Pseudomembraneous colitis
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
Bacterial enteritis NOS
A05 Other bacterial foodborne intoxications, not elsewhere classified
Excludes1 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)
A05.0 Foodborne staphylococcal intoxication
A05.1 Botulism food poisoning
Botulism NOS
Classical foodborne intoxication due to Clostridium botulinum
Excludes1 infant botulism (A48.51)
wound botulism (A48.52)
A05.2 Foodborne Clostridium perfringens [Clostridium welchii] intoxication
Enteritis necroticans
Pig-bel
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
A05.9 Bacterial foodborne intoxication, unspecified
A06 Amebiasis
Includes infection due to Entamoeba histolytica
Excludes1 other protozoal intestinal diseases (A07.-)
Excludes2 acanthamebiasis (B60.1-)
Naegleriasis (B60.2)
A06.0 Acute amebic dysentery
Acute amebiasis
Intestinal amebiasis NOS
A06.1 Chronic intestinal amebiasis
A06.2 Amebic nondysenteric colitis
A06.3 Ameboma of intestine
Ameboma NOS
A06.4 Amebic liver abscess
Hepatic amebiasis
A06.5 Amebic lung abscess
Amebic abscess of lung (and liver)
A06.6 Amebic brain abscess
Amebic abscess of brain (and liver) (and lung)
A06.7 Cutaneous amebiasis
A06.8 Amebic infection of other sites
A06.81 Amebic cystitis
A06.82 Other amebic genitourinary infections
Amebic balanitis
Amebic vesiculitis
Amebic vulvovaginitis
A06.89 Other amebic infections
Amebic appendicitis
Amebic splenic abscess
A06.9 Amebiasis, unspecified
A07 Other protozoal intestinal diseases
A07.0 Balantidiasis
Balantidial dysentery
A07.1 Giardiasis [lambliasis]
A07.2 Cryptosporidiosis
A07.3 Isosporiasis
Infection due to Isospora belli and Isospora hominis
Intestinal coccidiosis
Isosporosis
A07.4 Cyclosporiasis
A07.8 Other specified protozoal intestinal diseases
Intestinal microsporidiosis
Intestinal trichomoniasis
Sarcocystosis
Sarcosporidiosis
A07.9 Protozoal intestinal disease, unspecified
Flagellate diarrhea
Protozoal colitis
Protozoal diarrhea
Protozoal dysentery
A08 Viral and other specified intestinal infections
Excludes1 influenza with involvement of gastrointestinal tract (J09.X3, J10.2, J11.2)
A08.0 Rotaviral enteritis
A08.1 Acute gastroenteropathy due to Norwalk agent and other small round viruses
A08.11 Acute gastroenteropathy due to Norwalk agent
Acute gastroenteropathy due to Norovirus
Acute gastroenteropathy due to Norwalk-like agent
A08.19 Acute gastroenteropathy due to other small round viruses
Acute gastroenteropathy due to small round virus [SRV] NOS
A08.2 Adenoviral enteritis
A08.3 Other viral enteritis
A08.31 Calicivirus enteritis
A08.32 Astrovirus enteritis
A08.39 Other viral enteritis
Coxsackie virus enteritis
Echovirus enteritis
Enterovirus enteritis NEC
Torovirus enteritis
A08.4 Viral intestinal infection, unspecified
Viral enteritis NOS
Viral gastroenteritis NOS
Viral gastroenteropathy NOS
A08.8 Other specified intestinal infections
A09 Infectious gastroenteritis and colitis, unspecified
Infectious colitis NOS
Infectious enteritis NOS
Infectious gastroenteritis NOS
Excludes1 colitis NOS (K52.9)
diarrhea NOS (R19.7)
enteritis NOS (K52.9)
gastroenteritis NOS (K52.9)
noninfective gastroenteritis and colitis, unspecified (K52.9)