Gastroenteritis

Have you ever had the "stomach flu?" What you probably had was gastroenteritis - not a type of flu at all. Gastroenteritis is an inflammation of the lining of the intestines caused by a virus, bacteria or parasites. Viral gastroenteritis is the second most common illness in the U.S. The cause is often a norovirus infection. It spreads through contaminated food or water, and contact with an infected person. The best prevention is frequent hand washing.

Symptoms of gastroenteritis include diarrhea, abdominal pain, vomiting, headache, fever and chills. Most people recover with no treatment.

The most common problem with gastroenteritis is dehydration. This happens if you do not drink enough fluids to replace what you lose through vomiting and diarrhea. Dehydration is most common in babies, young children, the elderly and people with weak immune systems.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

Different Conditions

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Related ICD 10 COde
ICD 10 Code A04

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Amoebic enteritis

A symptomatic form of amoebiasis (E. histolytica infection) characterized by long-standing infection and severe diarrhea.

Organ Affected

Entire intestine (body structure)

Causes

Entamoeba histolytica

Abbreviated Terms

  • chronic amoebic dysentery
  • amoebic; enteritis, chronic
  • bowel; ulcer, amoebic
  • chronic intestinal amoebiasis without mention of abscess
  • intestinal; ulcer, amoebic
  • ulcer; amoebic
  • ulcer; bowel, intestine, amoebic
  • amoebic; diarrhoea, chronic
  • Also Known As

  • chronic intestinal amoebiasis
  • chronic small intestinal amoebiasis
  • Related ICD 10 COde
    ICD 10 Code A06.1

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    Amoebic nondysenteric colitis

    This is a rare complication of entamoeba histolytica, where in response to the infecting amoeba there is formation of annular colonic granulation, which results in a large local lesion of the bowel, in the large intestine.

    Abbreviated Terms

  • acute amoebic rectocolitis
  • amoebic proctitis
  • Also Known As

  • amoeba of intestine
  • Related ICD 10 COde
    ICD 10 Code A06

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    Asymptomatic enteric carriage of Entamoeba

    Entamoeba histolytica can live in the large intestine (colon) without causing damage to the instestines. Other protozoan such as Entamoeba coli, E. hartmanni, E. polecki, Endolimax nana, and Iodamoeba buetschlii are generally considered nonpathogenic and reside in the large intestine of the human host.
    Related ICD 10 COde
    ICD 10 Code A06

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    Bacterial enteritis due to salmonella

    A condition caused by an infection with the gram-negative bacteria Salmonella. This condition is characterized by fever, abdominal cramps, and diarrhoea. Transmission is by ingestion of contaminated food or water. Confirmation is by identification of Salmonella in a faecal sample.

    Additional Information

    Poisoning caused by ingestion of food harboring species of Salmonella; conditions of raising, shipping, slaughtering, and marketing of domestic animals contribute to the spread of this bacterium in the food supply.

    Signs And Symptoms

  • Inflammation (qualifier value)
  • Inflammation (morphologic abnormality)
  • Organ Affected

    Entire intestine (body structure)

    Causes

    Genus Salmonella (organism)

    Abbreviated Terms

  • salmonella dysentery
  • Also Known As

  • enteric paratyphosis
  • food poisoning due to salmonella
  • food poisoning due to salmonella with gastroenteritis
  • salmonella enterica subspecies arizonae infection
  • salmonella food poisoning
  • salmonella gastroenteritis
  • salmonella infection with enteritis
  • Related ICD 10 COde
    ICD 10 Code A02.0

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    Bacterial foodborne intoxications

    A condition caused by an infection with the gram-positive bacteria Clostridium perfringens. This condition is characterized by a sudden onset of colic, followed by diarrhoea or abdominal cramps. Transmission is by ingestion of contaminated food. Confirmation is by isolation of 1 000 000 spores of Clostridium perfringens per gram faeces.

    Additional Information

    This refers to a gastrointestinal illness caused by eating foods contaminated with toxins produced by Clostridium perfringens [Clostridium welchii], characterized by sudden onset of colic followed by diarrhoea; nausea is common, vomiting and fever are usually absent. Generally a mild disease of short duration- 1 day or less ??????ǣ and rarely fatal in previously healthy people.

    Organ Affected

    Entire intestine (body structure)

    Causes

    Food-borne transmission (qualifier value)|Clostridium perfringens (organism)

    Abbreviated Terms

  • enteritis necroticans
  • Also Known As

  • foodborne Clostridium welchii intoxication
  • foodborne intoxication due to Clostridium perfringens
  • foodborne intoxication due to Clostridium welchii
  • Related ICD 10 COde
    ICD 10 Code A05.2

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    Carrier of infectious disease agent

    A condition caused by an infection of the intestines with a bacterial, viral, fungal, or parasitic source. This condition is characterized by an asymptomatic infected individual with the ability to transmit the infectious agent.

    Abbreviated Terms

  • cholera carrier
  • Also Known As

  • carrier of other intestinal infectious diseases
  • Related ICD 10 COde
    ICD 10 Code Z22.1

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    Abbreviated Terms

  • cholera contact
  • exposure to cholera
  • exposure to intestinal infectious disease
  • Also Known As

  • contact with intestinal infectious disease
  • Related ICD 10 COde
    ICD 10 Code Z20.0

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    Cystoisosporiasis

    Isosporiasis is a human small intestinal disease caused by the protozoan Isospora belli.

    Abbreviated Terms

  • Infection due to Isopora belli
  • Infection due to Isopora hominis
  • Also Known As

  • coccidial enteritis
  • enteric coccidiosis
  • Related ICD 10 COde
    ICD 10 Code A07.3

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    Enterocolitis due to Clostridium difficile

    Pseudomembranous colitis is infection of the large intestine (colon) with an overgrowth of Clostridium difficile bacteria. The overgrowth of Clostridium difficile bacteria occurs if one take antibiotics (antibiotic-associated diarrhea). Pseudomembranous colitis specifically describes the formation of a membranous exudate in the colon, which occurs in approximately half of cases of C. difficile colitis. The illness is characterized by intractable diarrhea, fever and abdominal pain, and in severe cases life-threatening complications can develop, such as toxic megacolon.

    Also Known As

  • PMC - [pseudomembranous colitis]
  • Related ICD 10 COde
    ICD 10 Code A04.7

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    Enterohaemorrhagic Escherichia coli infection

    This refers to inflammation of the large intestine due to infection of bacteria, enterohaemorrhagic Escherichia coli (EHEC), strains of E. coli, including Escherichia coli O157:H7. EHEC is a subset of pathogenic E. coli that can cause haemorrhagic diarrhea in humans which occasionally progresses to hemolytic uremic syndrome (HUS).
    Related ICD 10 COde
    ICD 10 Code A04.3

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    Enteroinvasive Escherichia coli infection

    This refers to inflammation of the large intestine due to infection of bacteria, enteroinvasive Escherichia coli (EIEC), strains of E. coli. EIEC infection often causes profuse diarrhea and high fever. EIEC are highly invasive, and they utilize adhesin proteins to bind to and enter colonic cells.
    Related ICD 10 COde
    ICD 10 Code A04.2

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    Enteropathogenic Escherichia coli infection

    This refers to inflammation of the small intestine due to infection of bacteria, enteropathogenic Escherichia coli (EPEC), strains of E. coli, which cause enteritis by close association with enteric cells. This is an important cause of traveler's diarrhea.
    Related ICD 10 COde
    ICD 10 Code A04.0

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    Enterotoxigenic Escherichia coli infection

    This refers to inflammation of the small intestine due to infection of bacteria, enterotoxigenic Escherichia coli (ETEC), strains of E. coli. The main hallmarks of this type of bacteria of are expression of one or more enterotoxins and presence of fimbriae used for attachment to host intestinal cells. Infection with ETEC is the leading cause of travelers' diarrhea and a major cause of diarrheal disease in underdeveloped nations.
    Related ICD 10 COde
    ICD 10 Code A04.1

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    Extraintestinal infections due to Entamoeba

    Penile amoebiasis can present as a purulent balanoposthitis or as an ulcer of the prepuce or glans, when it may simulate a squamous carcinoma. It generally follows penetrative anal intercourse with an individual with intestinal amoebiasis.

    Abbreviated Terms

  • Amoebic ulcer of penis
  • Amoebic balanitis
  • Related ICD 10 COde
    ICD 10 Code A06

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    Gastroenteritis and colitis of infectious origin

    Any condition of the intestines, caused by an infection with a bacterial source.

    Organ Affected

    Entire intestine (body structure)

    Causes

    Bacterium (organism)|Superkingdom Bacteria (organism)
    Related ICD 10 COde
    ICD 10 Code A04

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    Gastroenteritis due to Campylobacter

    This refers to inflammation of the small intestine due to infection of bacteria, Campylobacter, a genus of spirally curved motile gram-negative rod-shaped bacteria of which some are pathogenic. This will cause acute enteric disease of variable severity characterized by diarrhoea (frequently with bloody stools), abdominal pain, malaise, fever, nausea and/or vomiting.

    Signs And Symptoms

  • Inflammation (qualifier value)
  • Inflammation (morphologic abnormality)
  • Organ Affected

    Entire intestine (body structure)

    Causes

    Genus Campylobacter (organism)

    Also Known As

  • campylobacter diarrhoea
  • enteric campylobacteriosis
  • intestinal infection due to campylobacter
  • infectious enteritis due to campylobacter
  • Related ICD 10 COde
    ICD 10 Code A04.5

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    Infections due to Adenovirus

    A disease of the intestinal tract, caused by an infection with adenovirus. This disease is characterized by a fever, diarrhoea, or vomiting. Transmission is by the faecal-oral route.

    Also Known As

  • Enteritis due to Adenovirus
  • Related ICD 10 COde
    ICD 10 Code A08.2

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    Infections due to Balantidium coli

    This is an inflammatory disorder of the intestine, especially of the colon, that results in severe diarrhea containing mucus and/or blood in the feces with fever, abdominal pain, and rectal tenesmus (a feeling of incomplete defecation), caused by any kind of infection. This diagnosis is due to a parasitic species of ciliate protozoan that causes the disease Balantidiasis.

    Abbreviated Terms

  • ciliary dysentery
  • ciliate dysentery
  • Balantidial dysentery
  • Also Known As

  • balantidium coli dysentery
  • Related ICD 10 COde
    ICD 10 Code A07.0

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    Infections due to Clostridium difficile

    A disease of the colon, caused by an infection with the gram-positive bacteria Clostridium difficile. This disease is characterized by colitis, diarrhoea, abdominal pain, and fever. Transmission is commonly by direct or indirect contact, or from a disturbance of the normal bacterial flora of the colon. Confirmation is by identification of Clostridium difficile in a faecal sample.

    Additional Information

    Clostridium difficile is a gram-positive, anaerobic, spore-forming bacillus that is responsible for the development of antibiotic-associated diarrhoea and colitis. C difficile colitis results from a disturbance of the normal bacterial flora of the colon, colonization with C difficile, and release of toxins that cause mucosal inflammation and damage.

    Signs And Symptoms

  • Inflammation (qualifier value)
  • Inflammation (morphologic abnormality)
  • Organ Affected

    Entire intestine (body structure)

    Causes

    C. difficile Toxin A and Toxin B|Clostridium difficile (organism)

    Abbreviated Terms

  • colitis due to Clostridium difficile
  • Clostridial difficile colitis
  • Clostridium difficile gastroenteritis
  • Related ICD 10 COde
    ICD 10 Code A04.7

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    Infections due to Entamoeba

    A disease of the colon, caused by an infection with the protozoan parasite Entamoeba histolytica. This disease commonly presents with diarrhoea, abdominal pain, or abdominal cramping. Transmission is through the faecal-oral route or ingestion of contaminated food or water. Confirmation is by identification of Entamoeba histolytica in a faecal or blood sample.
    Related ICD 10 COde
    ICD 10 Code A06

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    Infections due to Norovirus

    A disease of the gastrointestinal tract, caused by an infection with norovirus. This disease is characterized by acute onset of vomiting, non-hemorrhagic diarrhoea, and abdominal pain. Transmission is by ingestion of contaminated food or water, direct contact, or through fomites. Confirmation is by identification of norovirus.

    Additional Information

    The official genus name Noroviruses which is the group of viruses previously described as ??????Norwalk-like viruses?????? are a group of related, single-stranded RNA, non-enveloped viruses. Noroviruses cause self-limiting explosive acute gastroenteritis that last for 24-48hours in humans. The most common symptoms of acute gastroenteritis are diarrhea, vomiting, and stomach pain.

    Organ Affected

    Entire intestine (body structure)

    Causes

    Viral gastroenteritis due to Norwalk-like agents (disorder)

    Abbreviated Terms

  • epidemic vomiting
  • epidemic vomiting syndrome
  • epidemic nausea
  • winter vomiting
  • epidemic winter vomiting disease
  • small round structured virus enteritis
  • viral gastroenteritis due to Norwalk agent
  • epidemic viral gastroenteritis due to Norwalk virus
  • Also Known As

  • acute gastroenteropathy due to Norwalk agent
  • Related ICD 10 COde
    ICD 10 Code A08.1

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    Infections due to Protozoa

    Any condition caused by an infection with the protozoan parasite Balantidium.

    Abbreviated Terms

  • balantidosis
  • Also Known As

  • disease due to balantidiidae
  • Related ICD 10 COde
    ICD 10 Code A07.0

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    Infections due to Rotavirus

    A disease of the gastrointestinal tract, caused by an infection with rotavirus. This disease is characterized by acute onset of vomiting, non-haemorhagic diarrhoea, and abdominal pain. Transmission is by ingestion of contaminated food or water, direct contact, or through fomites. Confirmation is by identification of rotavirus.

    Signs And Symptoms

  • Inflammation (qualifier value)
  • Inflammation (morphologic abnormality)
  • Organ Affected

    Entire intestine (body structure)

    Causes

    Genus Rotavirus (organism)

    Abbreviated Terms

  • enteritis due to Rotavirus
  • rotaviral enteritis
  • Also Known As

  • rotaviral gastroenteritis
  • viral gastroenteritis due to rotavirus
  • Related ICD 10 COde
    ICD 10 Code A08.0

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    Intestinal infections due to Entamoeba

    Amoebic granulomata (amoeboma) may occur in the wall of the large intestine in patients with intermittent dysentery or colitis of long duration.

    Organ Affected

    Entire intestine (body structure)

    Causes

    Entamoeba histolytica

    Abbreviated Terms

  • Amoeboma, NOS
  • amoebic granuloma
  • Related ICD 10 COde
    ICD 10 Code A06.3

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    Intestinal infections due to Escherichia coli

    An infection of the gastrointestinal system, caused by the gram-negative bacteria Escherichia coli. It is characterized by acute, profuse, watery diarrhoea. Transmission is by the faecal-oral route from contaminated food, water, or fomites. Confirmation is by identification of the Escherichia coli in a faecal sample.

    Additional Information

    Persistent diarrhea lasting 2 weeks or more secondary to infection by E. coli strains. It spreads to humans through contact with contaminated water and/or infected animals, typically in developing countries.

    Also Known As

  • EPEC - [Enteropathogenic Escherichia coli] infection
  • Related ICD 10 COde
    ICD 10 Code A04.0

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    Predominantly sexually transmitted infections

    A disease caused by an infection with the protozoan parasite Trichomonas. This disease presents with symptoms depending on the site of infection.

    Causes

    Sexual transmission (qualifier value)|Trichomonas vaginalis (organism)
    Related ICD 10 COde
    ICD 10 Code A59

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    Protozoal intestinal infections

    Any condition caused by an infection with the protozoan parasite Balantidium coli.

    Organ Affected

    Entire intestine (body structure)

    Causes

    Balantidium coli (organism)

    Abbreviated Terms

  • balantidium coli anaemia
  • Also Known As

  • Balantidiasis
  • balantidium coli infection
  • Related ICD 10 COde
    ICD 10 Code A07.0

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    Abbreviated Terms

  • filariasis screening
  • leishmaniasis screening
  • malaria screening
  • schistosomiasis screening
  • screening for chagas disease or disorder
  • screening for helminthiasis
  • screening for protozoal disease
  • sleeping sickness screening
  • trypanosomiasis screening
  • Related ICD 10 COde
    ICD 10 Code Z11.6

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    Trichomoniasis

    This refers to intestinal infection by the flagellate protozoan parasite Trichomonas.

    Abbreviated Terms

  • trichomonas hominis infection
  • trichomonal diarrhoea
  • trichomonal dysentery
  • trichomonal colitis
  • Also Known As

  • intestinal infection by trichomonas
  • Related ICD 10 COde
    ICD 10 Code A59

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