API:  http://id.who.int/icd/release/10/2019/M30
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/M30",
    "parent": [
        "http://id.who.int/icd/release/10/2019/M30-M36"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/M30.0",
        "http://id.who.int/icd/release/10/2019/M30.1",
        "http://id.who.int/icd/release/10/2019/M30.2",
        "http://id.who.int/icd/release/10/2019/M30.3",
        "http://id.who.int/icd/release/10/2019/M30.8"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/M30",
    "code": "M30",
    "title": {
        "@language": "en",
        "@value": "Polyarteritis nodosa and related conditions"
    },
    "classKind": "category"
}