API:  http://id.who.int/icd/release/10/2010/C80
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/C80",
    "parent": [
        "http://id.who.int/icd/release/10/2010/C76-C80"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/C80.0",
        "http://id.who.int/icd/release/10/2010/C80.9"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/C80",
    "code": "C80",
    "title": {
        "@language": "en",
        "@value": "Malignant neoplasm, without specification of site"
    },
    "classKind": "category"
}
Title: Malignant neoplasm, without specification of site
Code:  C80

Child

1.  http://id.who.int/icd/release/10/2010/C80.0
2.  http://id.who.int/icd/release/10/2010/C80.9