API:  http://id.who.int/icd/release/10/2019/L50-L54
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/L50-L54",
    "parent": [
        "http://id.who.int/icd/release/10/2019/XII"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/L50",
        "http://id.who.int/icd/release/10/2019/L51",
        "http://id.who.int/icd/release/10/2019/L52",
        "http://id.who.int/icd/release/10/2019/L53",
        "http://id.who.int/icd/release/10/2019/L54"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/L50-L54",
    "code": "L50-L54",
    "title": {
        "@language": "en",
        "@value": "Urticaria and erythema"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "Lyme disease"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "rosacea"
            }
        }
    ],
    "classKind": "block"
}