API:  http://id.who.int/icd/release/10/2019/M65-M68
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/M65-M68",
    "parent": [
        "http://id.who.int/icd/release/10/2019/M60-M79"
    ],
    "child": [
        "http://id.who.int/icd/release/10/2019/M65",
        "http://id.who.int/icd/release/10/2019/M66",
        "http://id.who.int/icd/release/10/2019/M67",
        "http://id.who.int/icd/release/10/2019/M68"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/M65-M68",
    "code": "M65-M68",
    "title": {
        "@language": "en",
        "@value": "Disorders of synovium and tendon"
    },
    "classKind": "block"
}