API:  http://id.who.int/icd/release/10/2010/P25
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/P25",
    "parent": [
        "http://id.who.int/icd/release/10/2010/P20-P29"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/P25.0",
        "http://id.who.int/icd/release/10/2010/P25.1",
        "http://id.who.int/icd/release/10/2010/P25.2",
        "http://id.who.int/icd/release/10/2010/P25.3",
        "http://id.who.int/icd/release/10/2010/P25.8"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/P25",
    "code": "P25",
    "title": {
        "@language": "en",
        "@value": "Interstitial emphysema and related conditions originating in the perinatal period"
    },
    "classKind": "category"
}