API:  http://id.who.int/icd/release/10/2019/O73
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/O73",
    "parent": [
        "http://id.who.int/icd/release/10/2019/O60-O75"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/O73.0",
        "http://id.who.int/icd/release/10/2019/O73.1"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/O73",
    "code": "O73",
    "title": {
        "@language": "en",
        "@value": "Retained placenta and membranes, without haemorrhage"
    },
    "classKind": "category"
}
Title: Retained placenta and membranes, without haemorrhage
Code:  O73

Child

1.  http://id.who.int/icd/release/10/2019/O73.0
2.  http://id.who.int/icd/release/10/2019/O73.1