API:  http://id.who.int/icd/release/10/2019/A54
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/A54",
    "parent": [
        "http://id.who.int/icd/release/10/2019/A50-A64"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/A54.0",
        "http://id.who.int/icd/release/10/2019/A54.1",
        "http://id.who.int/icd/release/10/2019/A54.2",
        "http://id.who.int/icd/release/10/2019/A54.3",
        "http://id.who.int/icd/release/10/2019/A54.4",
        "http://id.who.int/icd/release/10/2019/A54.5",
        "http://id.who.int/icd/release/10/2019/A54.6",
        "http://id.who.int/icd/release/10/2019/A54.8",
        "http://id.who.int/icd/release/10/2019/A54.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/A54",
    "code": "A54",
    "title": {
        "@language": "en",
        "@value": "Gonococcal infection"
    },
    "classKind": "category"
}