API:  http://id.who.int/icd/release/10/2010/K51
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/K51",
    "parent": [
        "http://id.who.int/icd/release/10/2010/K50-K52"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/K51.0",
        "http://id.who.int/icd/release/10/2010/K51.2",
        "http://id.who.int/icd/release/10/2010/K51.3",
        "http://id.who.int/icd/release/10/2010/K51.4",
        "http://id.who.int/icd/release/10/2010/K51.5",
        "http://id.who.int/icd/release/10/2010/K51.8",
        "http://id.who.int/icd/release/10/2010/K51.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/K51",
    "code": "K51",
    "title": {
        "@language": "en",
        "@value": "Ulcerative colitis"
    },
    "classKind": "category"
}