API:  http://id.who.int/icd/release/10/2019/D74
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/D74",
    "parent": [
        "http://id.who.int/icd/release/10/2019/D70-D77"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/D74.0",
        "http://id.who.int/icd/release/10/2019/D74.8",
        "http://id.who.int/icd/release/10/2019/D74.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/D74",
    "code": "D74",
    "title": {
        "@language": "en",
        "@value": "Methaemoglobinaemia"
    },
    "classKind": "category"
}