API:  http://id.who.int/icd/release/10/2010/M23
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/M23",
    "parent": [
        "http://id.who.int/icd/release/10/2010/M20-M25"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/M23.0",
        "http://id.who.int/icd/release/10/2010/M23.1",
        "http://id.who.int/icd/release/10/2010/M23.2",
        "http://id.who.int/icd/release/10/2010/M23.3",
        "http://id.who.int/icd/release/10/2010/M23.4",
        "http://id.who.int/icd/release/10/2010/M23.5",
        "http://id.who.int/icd/release/10/2010/M23.6",
        "http://id.who.int/icd/release/10/2010/M23.8",
        "http://id.who.int/icd/release/10/2010/M23.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/M23",
    "code": "M23",
    "title": {
        "@language": "en",
        "@value": "Internal derangement of knee"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "ankylosis"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "current injury - see injury to the knee and lower leg"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "deformity of knee"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "disorders of patella"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "osteochondritis dissecans"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "recurrent dislocation or subluxation"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "recurrent dislocation or subluxation patella"
            }
        }
    ],
    "classKind": "category"
}