API:  http://id.who.int/icd/release/10/2010/B20-B24
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/B20-B24",
    "parent": [
        "http://id.who.int/icd/release/10/2010/I"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/B20",
        "http://id.who.int/icd/release/10/2010/B21",
        "http://id.who.int/icd/release/10/2010/B22",
        "http://id.who.int/icd/release/10/2010/B23",
        "http://id.who.int/icd/release/10/2010/B24"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/B20-B24",
    "code": "B20-B24",
    "title": {
        "@language": "en",
        "@value": "Human immunodeficiency virus [HIV] disease"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "asymptomatic human immunodeficiency virus [HIV] infection status"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "complicating pregnancy, childbirth and the puerperium"
            }
        }
    ],
    "classKind": "block"
}