API:  http://id.who.int/icd/release/10/2010/S21
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/S21",
    "parent": [
        "http://id.who.int/icd/release/10/2010/S20-S29"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/S21.0",
        "http://id.who.int/icd/release/10/2010/S21.1",
        "http://id.who.int/icd/release/10/2010/S21.2",
        "http://id.who.int/icd/release/10/2010/S21.7",
        "http://id.who.int/icd/release/10/2010/S21.8",
        "http://id.who.int/icd/release/10/2010/S21.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/S21",
    "code": "S21",
    "title": {
        "@language": "en",
        "@value": "Open wound of thorax"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "traumatic: haemopneumothorax"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "traumatic: haemothorax"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "traumatic: pneumothorax"
            }
        }
    ],
    "classKind": "category"
}