API:  http://id.who.int/icd/release/10/2019/K91
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/K91",
    "parent": [
        "http://id.who.int/icd/release/10/2019/K90-K93"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/K91.0",
        "http://id.who.int/icd/release/10/2019/K91.1",
        "http://id.who.int/icd/release/10/2019/K91.2",
        "http://id.who.int/icd/release/10/2019/K91.3",
        "http://id.who.int/icd/release/10/2019/K91.4",
        "http://id.who.int/icd/release/10/2019/K91.5",
        "http://id.who.int/icd/release/10/2019/K91.8",
        "http://id.who.int/icd/release/10/2019/K91.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/K91",
    "code": "K91",
    "title": {
        "@language": "en",
        "@value": "Postprocedural disorders of digestive system, not elsewhere classified"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "gastrojejunal ulcer"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "radiation: colitis"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "radiation: gastroenteritis"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "radiation: proctitis"
            }
        }
    ],
    "classKind": "category"
}