API:  http://id.who.int/icd/release/10/2008/F73
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/F73",
    "parent": [
        "http://id.who.int/icd/release/10/2008/F70-F79"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/F73.0",
        "http://id.who.int/icd/release/10/2008/F73.1",
        "http://id.who.int/icd/release/10/2008/F73.8",
        "http://id.who.int/icd/release/10/2008/F73.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/F73",
    "code": "F73",
    "title": {
        "@language": "en",
        "@value": "Profound mental retardation"
    },
    "definition": {
        "@language": "en",
        "@value": "IQ under 20 (in adults, mental age below 3 years). Results in severe limitation in self-care, continence, communication and mobility."
    },
    "inclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "profound mental subnormality"
            }
        }
    ],
    "classKind": "category"
}