{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/R51",
    "parent": [
        "http://id.who.int/icd/release/10/2019/R50-R69"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/R51",
    "code": "R51",
    "title": {
        "@language": "en",
        "@value": "Headache"
    },
    "inclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "Facial pain NOS"
            }
        }
    ],
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "atypical facial pain"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "migraine and other headache syndromes"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "trigeminal neuralgia"
            }
        }
    ],
    "classKind": "category"
}