API:  http://id.who.int/icd/release/10/2008/Q40
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/Q40",
    "parent": [
        "http://id.who.int/icd/release/10/2008/Q38-Q45"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/Q40.0",
        "http://id.who.int/icd/release/10/2008/Q40.1",
        "http://id.who.int/icd/release/10/2008/Q40.2",
        "http://id.who.int/icd/release/10/2008/Q40.3",
        "http://id.who.int/icd/release/10/2008/Q40.8",
        "http://id.who.int/icd/release/10/2008/Q40.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/Q40",
    "code": "Q40",
    "title": {
        "@language": "en",
        "@value": "Other congenital malformations of upper alimentary tract"
    },
    "classKind": "category"
}