API:  http://id.who.int/icd/release/10/2019/O90
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/O90",
    "parent": [
        "http://id.who.int/icd/release/10/2019/O85-O92"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/O90.0",
        "http://id.who.int/icd/release/10/2019/O90.1",
        "http://id.who.int/icd/release/10/2019/O90.2",
        "http://id.who.int/icd/release/10/2019/O90.3",
        "http://id.who.int/icd/release/10/2019/O90.4",
        "http://id.who.int/icd/release/10/2019/O90.5",
        "http://id.who.int/icd/release/10/2019/O90.8",
        "http://id.who.int/icd/release/10/2019/O90.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/O90",
    "code": "O90",
    "title": {
        "@language": "en",
        "@value": "Complications of the puerperium, not elsewhere classified"
    },
    "classKind": "category"
}