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Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) --see also Enteritis K52.9
    allergic K52.29
        with
            food protein-induced enterocolitis syndrome K52.21
            proctocolitis K52.82
    amebic (acute) --see also Amebiasis A06.0
        nondysenteric A06.2
    anthrax A22.2
    bacillary --see Infection, Shigella
    balantidial A07.0
    Clostridium difficile
        not specified as recurrent A04.72
        recurrent A04.71
    coccidial A07.3
    collagenous K52.831
    cystica superficialis K52.89
    dietary counseling and surveillance (for) Z71.3
    dietetic --see also Colitis, allergic K52.29
    drug-induced K52.1
    due to radiation K52.0
    eosinophilic K52.82
    food hypersensitivity --see also Colitis, allergic K52.29
    giardial A07.1
    granulomatous --see Enteritis, regional, large intestine
    indeterminate, so stated K52.3
    infectious --see Enteritis, infectious
    ischemic K55.9
        acute (subacute) --see also Ischemia, intestine, acute K55.039
        chronic K55.1
        due to mesenteric artery insufficiency K55.1
        fulminant (acute) --see also Ischemia, intestine, acute K55.039
    left sided K51.50
        with
            abscess K51.514
            complication K51.519
                specified NEC K51.518
            fistula K51.513
            obstruction K51.512
            rectal bleeding K51.511
    lymphocytic K52.832
    membranous
        psychogenic F54
    microscopic K52.839
        specified NEC K52.838
    mucous --see Syndrome, irritable, bowel
        psychogenic F54
    noninfective K52.9
        specified NEC K52.89
    polyposa --see Polyp, colon, inflammatory
    protozoal A07.9
    pseudomembranous
        not specified as recurrent A04.72
        recurrent A04.71
    pseudomucinous --see Syndrome, irritable, bowel
    regional --see Enteritis, regional, large intestine
        infectious A09
    segmental --see Enteritis, regional, large intestine
    septic --see Enteritis, infectious
    spastic K58.9
        with diarrhea K58.0
        psychogenic F54
    staphylococcal A04.8
        foodborne A05.0
    subacute ischemic --see also Ischemia, intestine, acute K55.039
    thromboulcerative --see also Ischemia, intestine, acute K55.039
    toxic NEC K52.1
        due to Clostridium difficile
            not specified as recurrent A04.72
            recurrent A04.71
    transmural --see Enteritis, regional, large intestine
    trichomonal A07.8
    tuberculous (ulcerative) A18.32
    ulcerative (chronic) K51.90
        with
            complication K51.919
                abscess K51.914
                fistula K51.913
                obstruction K51.912
                rectal bleeding K51.911
                specified complication NEC K51.918
        enterocolitis --see Enterocolitis, ulcerative
        ileocolitis --see Ileocolitis, ulcerative
        mucosal proctocolitis --see Proctocolitis, mucosal
        proctitis --see Proctitis, ulcerative
        pseudopolyposis --see Polyp, colon, inflammatory
        psychogenic F54
        rectosigmoiditis --see Rectosigmoiditis, ulcerative
        specified type NEC K51.80
            with
                complication K51.819
                    abscess K51.814
                    fistula K51.813
                    obstruction K51.812
                    rectal bleeding K51.811
                    specified complication NEC K51.818