Chapter I

Certain infectious and parasitic diseases
(A00-B99)

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
A01.1		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 septicaemia
A02.2	Localized salmonella infections
	Salmonella: · arthritis+ ( M01.3* ) · meningitis+ ( G01* ) · osteomyelitis+ ( M90.2* ) · pneumonia+ ( J17.0* ) · renal tubulo-interstitial disease+ ( N16.0* )
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
	Excludes:	foodborne intoxications elsewhere classified tuberculous enteritis ( A18.3 )
A04.0	Enteropathogenic Escherichia coli infection
A04.1	Enterotoxigenic Escherichia coli infection
A04.2	Enteroinvasive Escherichia coli infection
A04.3	Enterohaemorrhagic 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
	Excludes:	extraintestinal yersiniosis ( A28.2 )
A04.7	Enterocolitis due to Clostridium difficile
	Foodborne intoxication by Clostridium difficile Pseudomembranous colitis
A04.8	Other specified bacterial intestinal infections
A04.9	Bacterial intestinal infection, unspecified
	Bacterial enteritis NOS


A05	Other bacterial foodborne intoxications, not elsewhere classified
	Excludes:	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
	Classical foodborne intoxication due to Clostridium botulinum
A05.2	Foodborne Clostridium perfringens [Clostridium welchii] intoxication
	Enteritis necroticans Pig-bel
A05.3	Foodborne Vibrio parahaemolyticus intoxication
A05.4	Foodborne Bacillus cereus intoxication
A05.8	Other specified bacterial foodborne intoxications
A05.9	Bacterial foodborne intoxication, unspecified


A06	Amoebiasis
	Includes:	infection due to Entamoeba histolytica
	Excludes:	other protozoal intestinal diseases ( A07.- )
A06.0	Acute amoebic dysentery
	Acute amoebiasis Intestinal amoebiasis NOS
A06.1	Chronic intestinal amoebiasis
A06.2	Amoebic nondysenteric colitis
A06.3	Amoeboma of intestine
	Amoeboma NOS
A06.4	Amoebic liver abscess
	Hepatic amoebiasis
A06.5+	Amoebic lung abscess ( J99.8* )
	Amoebic abscess of lung (and liver)
A06.6+	Amoebic brain abscess ( G07* )
	Amoebic abscess of brain (and liver)(and lung)
A06.7	Cutaneous amoebiasis
A06.8	Amoebic infection of other sites
	Amoebic: · appendicitis · balanitis+ ( N51.2* )
A06.9	Amoebiasis, 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
A07.8		Other specified protozoal intestinal diseases
		Intestinal trichomoniasis Sarcocystosis Sarcosporidiosis
A07.9		Protozoal intestinal disease, unspecified
		Flagellate diarrhoea Protozoal: · colitis · diarrhoea · dysentery


A08	Viral and other specified intestinal infections
	Excludes:	influenza with involvement of gastrointestinal tract ( J09 , J10.8 , J11.8 )
A08.0	Rotaviral enteritis
A08.1	Acute gastroenteropathy due to Norwalk agent
	Small round structured virus enteritis
A08.2	Adenoviral enteritis
A08.3	Other viral enteritis
A08.4	Viral intestinal infection, unspecified
	Viral: · enteritis NOS · gastroenteritis NOS · gastroenteropathy NOS
A08.5	Other specified intestinal infections


A09	Diarrhoea and gastroenteritis of presumed infectious origin
	Note:	In countries where any term listed in A09 without further specification can be assumed to be of noninfectious origin, the condition should be classified to K52.9.
	Catarrh, enteric or intestinal
	Colitis Enteritis Gastroenteritis		} } }	NOS haemorrhagic septic
	Diarrhoea: · NOS · dysenteric · epidemic Infectious diarrhoeal disease NOS
	Excludes:	due to bacterial, protozoal, viral and other specified infectious agents ( A00-A08 ) noninfective diarrhoea ( K52.9 ) · neonatal ( P78.3 )