API:  http://id.who.int/icd/release/10/2019/B99-B99
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/B99-B99",
    "parent": [
        "http://id.who.int/icd/release/10/2019/I"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/B99"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/B99-B99",
    "code": "B99-B99",
    "title": {
        "@language": "en",
        "@value": "Other infectious diseases"
    },
    "classKind": "block"
}
Title: Other infectious diseases
Code:  B99-B99

Child

1.  http://id.who.int/icd/release/10/2019/B99