API:  http://id.who.int/icd/release/10/2010/C84
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/C84",
    "parent": [
        "http://id.who.int/icd/release/10/2010/C81-C96"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/C84.0",
        "http://id.who.int/icd/release/10/2010/C84.1",
        "http://id.who.int/icd/release/10/2010/C84.4",
        "http://id.who.int/icd/release/10/2010/C84.5",
        "http://id.who.int/icd/release/10/2010/C84.6",
        "http://id.who.int/icd/release/10/2010/C84.7",
        "http://id.who.int/icd/release/10/2010/C84.8",
        "http://id.who.int/icd/release/10/2010/C84.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/C84",
    "code": "C84",
    "title": {
        "@language": "en",
        "@value": "Mature T/NK-cell lymphomas"
    },
    "classKind": "category"
}