API:  http://id.who.int/icd/release/10/2008/N20-N23
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/N20-N23",
    "parent": [
        "http://id.who.int/icd/release/10/2008/XIV"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/N20",
        "http://id.who.int/icd/release/10/2008/N21",
        "http://id.who.int/icd/release/10/2008/N22",
        "http://id.who.int/icd/release/10/2008/N23"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/N20-N23",
    "code": "N20-N23",
    "title": {
        "@language": "en",
        "@value": "Urolithiasis"
    },
    "classKind": "block"
}