API:  http://id.who.int/icd/release/10/2008/M17
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/M17",
    "parent": [
        "http://id.who.int/icd/release/10/2008/M15-M19"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/M17.0",
        "http://id.who.int/icd/release/10/2008/M17.1",
        "http://id.who.int/icd/release/10/2008/M17.2",
        "http://id.who.int/icd/release/10/2008/M17.3",
        "http://id.who.int/icd/release/10/2008/M17.4",
        "http://id.who.int/icd/release/10/2008/M17.5",
        "http://id.who.int/icd/release/10/2008/M17.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/M17",
    "code": "M17",
    "title": {
        "@language": "en",
        "@value": "Gonarthrosis [arthrosis of knee]"
    },
    "classKind": "category"
}