API:  http://id.who.int/icd/release/10/2010/N27
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/N27",
    "parent": [
        "http://id.who.int/icd/release/10/2010/N25-N29"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/N27.0",
        "http://id.who.int/icd/release/10/2010/N27.1",
        "http://id.who.int/icd/release/10/2010/N27.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/N27",
    "code": "N27",
    "title": {
        "@language": "en",
        "@value": "Small kidney of unknown cause"
    },
    "classKind": "category"
}