API:  http://id.who.int/icd/release/10/2016/C09
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2016/C09",
    "parent": [
        "http://id.who.int/icd/release/10/2016/C00-C14"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2016/C09.0",
        "http://id.who.int/icd/release/10/2016/C09.1",
        "http://id.who.int/icd/release/10/2016/C09.8",
        "http://id.who.int/icd/release/10/2016/C09.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2016/en#/C09",
    "code": "C09",
    "title": {
        "@language": "en",
        "@value": "Malignant neoplasm of tonsil"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "lingual tonsil"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "pharyngeal tonsil"
            }
        }
    ],
    "classKind": "category"
}