API:  http://id.who.int/icd/release/10/2019/I10
{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/I10",
    "parent": [
        "http://id.who.int/icd/release/10/2019/I10-I15"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/I10",
    "code": "I10",
    "title": {
        "@language": "en",
        "@value": "Essential (primary) hypertension"
    },
    "inclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "High blood pressure"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "Hypertension (arterial)(benign)(essential)(malignant)(primary)(systemic)"
            }
        }
    ],
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "involving vessels of: brain"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "involving vessels of: eye"
            }
        }
    ],
    "classKind": "category"
}
Title: Essential (primary) hypertension
Code:  I10