API:  http://id.who.int/icd/release/10/2010/O20-O29
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/O20-O29",
    "parent": [
        "http://id.who.int/icd/release/10/2010/XV"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/O20",
        "http://id.who.int/icd/release/10/2010/O21",
        "http://id.who.int/icd/release/10/2010/O22",
        "http://id.who.int/icd/release/10/2010/O23",
        "http://id.who.int/icd/release/10/2010/O24",
        "http://id.who.int/icd/release/10/2010/O25",
        "http://id.who.int/icd/release/10/2010/O26",
        "http://id.who.int/icd/release/10/2010/O28",
        "http://id.who.int/icd/release/10/2010/O29"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/O20-O29",
    "code": "O20-O29",
    "title": {
        "@language": "en",
        "@value": "Other maternal disorders predominantly related to pregnancy"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "maternal: care related to the fetus and amniotic cavity and possible delivery problems"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "maternal: diseases classifiable elsewhere but complicating pregnancy, labour and delivery, and the puerperium"
            }
        }
    ],
    "note": [
        {
            "label": {
                "@language": "en",
                "@value": "Categories O24.- and O25 include the listed conditions even if they occur during childbirth or the puerperium."
            }
        }
    ],
    "classKind": "block"
}