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Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) K52.9
    adenovirus A08.2
    aertrycke infection A02.0
    allergic K52.29
        with
            eosinophilic gastritis or gastroenteritis K52.81
            food protein-induced enterocolitis syndrome K52.21
            food protein-induced enteropathy K52.22
            FPIES K52.21
    amebic (acute) A06.0
        with abscess --see Abscess, amebic
        chronic A06.1
            with abscess --see Abscess, amebic
            nondysenteric A06.2
        nondysenteric A06.2
    astrovirus A08.32
    bacillary NOS A03.9
    bacterial A04.9
        specified NEC A04.8
    calicivirus A08.31
    candidal B37.82
    Chilomastix A07.8
    choleriformis A00.1
    chronic (noninfectious) K52.9
        ulcerative --see Colitis, ulcerative
    cicatrizing (chronic) --see Enteritis, regional, small intestine
    Clostridium
        botulinum (food poisoning) A05.1
        difficile
            not specified as recurrent A04.72
            recurrent A04.71
    coccidial A07.3
    coxsackie virus A08.39
    dietetic --see also Enteritis, allergic K52.29
    drug-induced K52.1
    due to
        astrovirus A08.32
        calicivirus A08.31
        coxsackie virus A08.39
        drugs K52.1
        echovirus A08.39
        enterovirus NEC A08.39
        food hypersensitivity --see also Enteritis, allergic K52.29
        infectious organism (bacterial) (viral) --see Enteritis, infectious
        torovirus A08.39
        Yersinia enterocolitica A04.6
    echovirus A08.39
    eltor A00.1
    enterovirus NEC A08.39
    eosinophilic K52.81
    epidemic (infectious) A09
    fulminant --see also Ischemia, intestine, acute K55.019
    gangrenous --see Enteritis, infectious
    giardial A07.1
    infectious NOS A09
        due to
            adenovirus A08.2
            Aerobacter aerogenes A04.8
            Arizona (bacillus) A02.0
            bacteria NOS A04.9
                specified NEC A04.8
            Campylobacter A04.5
            Clostridium difficile
                not specified as recurrent A04.72
                recurrent A04.71
            Clostridium perfringens A04.8
            Enterobacter aerogenes A04.8
            enterovirus A08.39
            Escherichia coli A04.4
                enteroaggregative A04.4
                enterohemorrhagic A04.3
                enteroinvasive A04.2
                enteropathogenic A04.0
                enterotoxigenic A04.1
                specified NEC A04.4
            specified
                bacteria NEC A04.8
                virus NEC A08.39
            Staphylococcus A04.8
            virus NEC A08.4
                specified type NEC A08.39
            Yersinia enterocolitica A04.6
        specified organism NEC A08.8
    influenzal --see Influenza, with, digestive manifestations
    ischemic K55.9
        acute --see also Ischemia, intestine, acute K55.019
        chronic K55.1
    microsporidial A07.8
    mucomembranous, myxomembranous --see Syndrome, irritable bowel
    mucous --see Syndrome, irritable bowel
    necroticans A05.2
    necrotizing of newborn --see Enterocolitis, necrotizing, in newborn
    neurogenic --see Syndrome, irritable bowel
    newborn necrotizing --see Enterocolitis, necrotizing, in newborn
    noninfectious K52.9
    norovirus A08.11
    parasitic NEC B82.9
    paratyphoid (fever) --see Fever, paratyphoid
    protozoal A07.9
        specified NEC A07.8
    radiation K52.0
    regional (of) K50.90
        with
            complication K50.919
                abscess K50.914
                fistula K50.913
                intestinal obstruction K50.912
                rectal bleeding K50.911
                specified complication NEC K50.918
        colon --see Enteritis, regional, large intestine
        duodenum --see Enteritis, regional, small intestine
        ileum --see Enteritis, regional, small intestine
        jejunum --see Enteritis, regional, small intestine
        large bowel --see Enteritis, regional, large intestine
        large intestine (colon) (rectum) K50.10
            with
                complication K50.119
                    abscess K50.114
                    fistula K50.113
                    intestinal obstruction K50.112
                    rectal bleeding K50.111
                    small intestine involvement (duodenum) (ileum) (jejunum) K50.80
                        with
                            complication K50.819
                                abscess K50.814
                                fistula K50.813
                                intestinal obstruction K50.812
                                rectal bleeding K50.811
                                specified complication NEC K50.818
                    specified complication NEC K50.118
        rectum --see Enteritis, regional, large intestine
        small intestine (duodenum) (ileum) (jejunum) K50.00
            with
                complication K50.019
                    abscess K50.014
                    fistula K50.013
                    intestinal obstruction K50.012
                    large intestine involvement (colon) (rectum) K50.80
                        with
                            complication K50.819
                                abscess K50.814
                                fistula K50.813
                                intestinal obstruction K50.812
                                rectal bleeding K50.811
                                specified complication NEC K50.818
                    rectal bleeding K50.011
                    specified complication NEC K50.018
    rotaviral A08.0
    Salmonella, salmonellosis (arizonae) (cholerae-suis) (enteritidis) (typhimurium) A02.0
    segmental --see Enteritis, regional
    septic A09
    Shigella --see Infection, Shigella
    small round structured NEC A08.19
    spasmodic, spastic --see Syndrome, irritable bowel
    staphylococcal A04.8
        due to food A05.0
    torovirus A08.39
    toxic NEC K52.1
        due to Clostridium difficile
            not specified as recurrent A04.72
            recurrent A04.71
    trichomonal A07.8
    tuberculous A18.32
    typhosa A01.00
    ulcerative (chronic) --see Colitis, ulcerative
    viral A08.4
        adenovirus A08.2
        enterovirus A08.39
        Rotavirus A08.0
        small round structured NEC A08.19
        specified NEC A08.39
        virus specified NEC A08.39