API:  http://id.who.int/icd/release/10/2008/M87
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/M87",
    "parent": [
        "http://id.who.int/icd/release/10/2008/M86-M90"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/M87.0",
        "http://id.who.int/icd/release/10/2008/M87.1",
        "http://id.who.int/icd/release/10/2008/M87.2",
        "http://id.who.int/icd/release/10/2008/M87.3",
        "http://id.who.int/icd/release/10/2008/M87.8",
        "http://id.who.int/icd/release/10/2008/M87.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/M87",
    "code": "M87",
    "title": {
        "@language": "en",
        "@value": "Osteonecrosis"
    },
    "inclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "avascular necrosis of bone"
            }
        }
    ],
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "osteochondropathies"
            }
        }
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    "classKind": "category"
}