API:  http://id.who.int/icd/release/10/2008/Y44
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/Y44",
    "parent": [
        "http://id.who.int/icd/release/10/2008/Y40-Y59"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/Y44.0",
        "http://id.who.int/icd/release/10/2008/Y44.1",
        "http://id.who.int/icd/release/10/2008/Y44.2",
        "http://id.who.int/icd/release/10/2008/Y44.3",
        "http://id.who.int/icd/release/10/2008/Y44.4",
        "http://id.who.int/icd/release/10/2008/Y44.5",
        "http://id.who.int/icd/release/10/2008/Y44.6",
        "http://id.who.int/icd/release/10/2008/Y44.7",
        "http://id.who.int/icd/release/10/2008/Y44.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/Y44",
    "code": "Y44",
    "title": {
        "@language": "en",
        "@value": "Agents primarily affecting blood constituents"
    },
    "classKind": "category"
}