API:  http://id.who.int/icd/release/10/2016/F72
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2016/F72",
    "parent": [
        "http://id.who.int/icd/release/10/2016/F70-F79"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2016/F72.0",
        "http://id.who.int/icd/release/10/2016/F72.1",
        "http://id.who.int/icd/release/10/2016/F72.8",
        "http://id.who.int/icd/release/10/2016/F72.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2016/en#/F72",
    "code": "F72",
    "title": {
        "@language": "en",
        "@value": "Severe mental retardation"
    },
    "definition": {
        "@language": "en",
        "@value": "Approximate IQ range of 20 to 34 (in adults, mental age from 3 to under 6 years). Likely to result in continuous need of support."
    },
    "inclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "severe mental subnormality"
            }
        }
    ],
    "classKind": "category"
}