API:  http://id.who.int/icd/release/10/2008/E20
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2008/E20",
    "parent": [
        "http://id.who.int/icd/release/10/2008/E20-E35"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2008/E20.0",
        "http://id.who.int/icd/release/10/2008/E20.1",
        "http://id.who.int/icd/release/10/2008/E20.8",
        "http://id.who.int/icd/release/10/2008/E20.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2008/en#/E20",
    "code": "E20",
    "title": {
        "@language": "en",
        "@value": "Hypoparathyroidism"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "Di George's syndrome"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "postprocedural hypoparathyroidism"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "tetany NOS"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "transitory neonatal hypoparathyroidism"
            }
        }
    ],
    "classKind": "category"
}