API:  http://id.who.int/icd/release/10/2010/C43-C44
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2010/C43-C44",
    "parent": [
        "http://id.who.int/icd/release/10/2010/C00-C75"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2010/C43",
        "http://id.who.int/icd/release/10/2010/C44"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2010/en#/C43-C44",
    "code": "C43-C44",
    "title": {
        "@language": "en",
        "@value": "Melanoma and other malignant neoplasms of skin"
    },
    "classKind": "block"
}
Title: Melanoma and other malignant neoplasms of skin
Code:  C43-C44

Child

1.  http://id.who.int/icd/release/10/2010/C43
2.  http://id.who.int/icd/release/10/2010/C44