API:  http://id.who.int/icd/release/10/2010/D20
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/D20",
    "parent": [
        "http://id.who.int/icd/release/10/2010/D10-D36"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/D20.0",
        "http://id.who.int/icd/release/10/2010/D20.1"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/D20",
    "code": "D20",
    "title": {
        "@language": "en",
        "@value": "Benign neoplasm of soft tissue of retroperitoneum and peritoneum"
    },
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "benign lipomatous neoplasm of peritoneum and retroperitoneum"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "mesothelial tissue"
            }
        }
    ],
    "classKind": "category"
}
Title: Benign neoplasm of soft tissue of retroperitoneum and peritoneum
Code:  D20

Child

1.  http://id.who.int/icd/release/10/2010/D20.0
2.  http://id.who.int/icd/release/10/2010/D20.1