API:  http://id.who.int/icd/release/10/2019/I05-I09
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/I05-I09",
    "parent": [
        "http://id.who.int/icd/release/10/2019/IX"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/I05",
        "http://id.who.int/icd/release/10/2019/I06",
        "http://id.who.int/icd/release/10/2019/I07",
        "http://id.who.int/icd/release/10/2019/I08",
        "http://id.who.int/icd/release/10/2019/I09"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/I05-I09",
    "code": "I05-I09",
    "title": {
        "@language": "en",
        "@value": "Chronic rheumatic heart diseases"
    },
    "classKind": "block"
}