API:  http://id.who.int/icd/release/10/2010/Y54
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/Y54",
    "parent": [
        "http://id.who.int/icd/release/10/2010/Y40-Y59"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/Y54.0",
        "http://id.who.int/icd/release/10/2010/Y54.1",
        "http://id.who.int/icd/release/10/2010/Y54.2",
        "http://id.who.int/icd/release/10/2010/Y54.3",
        "http://id.who.int/icd/release/10/2010/Y54.4",
        "http://id.who.int/icd/release/10/2010/Y54.5",
        "http://id.who.int/icd/release/10/2010/Y54.6",
        "http://id.who.int/icd/release/10/2010/Y54.7",
        "http://id.who.int/icd/release/10/2010/Y54.8",
        "http://id.who.int/icd/release/10/2010/Y54.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/Y54",
    "code": "Y54",
    "title": {
        "@language": "en",
        "@value": "Agents primarily affecting water-balance and mineral and uric acid metabolism"
    },
    "classKind": "category"
}