API:  http://id.who.int/icd/release/10/2010/A50
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/A50",
    "parent": [
        "http://id.who.int/icd/release/10/2010/A50-A64"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/A50.0",
        "http://id.who.int/icd/release/10/2010/A50.1",
        "http://id.who.int/icd/release/10/2010/A50.2",
        "http://id.who.int/icd/release/10/2010/A50.3",
        "http://id.who.int/icd/release/10/2010/A50.4",
        "http://id.who.int/icd/release/10/2010/A50.5",
        "http://id.who.int/icd/release/10/2010/A50.6",
        "http://id.who.int/icd/release/10/2010/A50.7",
        "http://id.who.int/icd/release/10/2010/A50.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/A50",
    "code": "A50",
    "title": {
        "@language": "en",
        "@value": "Congenital syphilis"
    },
    "classKind": "category"
}