{
    "@context": "http://id.who.int/icd/contexts/contextForICD10Entity.json",
    "@id": "http://id.who.int/icd/release/10/2019/F51.2",
    "parent": [
        "http://id.who.int/icd/release/10/2019/F51"
    ],
    "browserUrl": "http://apps.who.int/classifications/icd10/browse/2019/en#/F51.2",
    "code": "F51.2",
    "title": {
        "@language": "en",
        "@value": "Nonorganic disorder of the sleep-wake schedule"
    },
    "definition": {
        "@language": "en",
        "@value": "A lack of synchrony between the sleep-wake schedule and the desired sleep-wake schedule for the individual's environment, resulting in a complaint of either insomnia or hypersomnia."
    },
    "inclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "Psychogenic inversion of: circadian rhythm"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "Psychogenic inversion of: nyctohemeral rhythm"
            }
        },
        {
            "label": {
                "@language": "en",
                "@value": "Psychogenic inversion of: sleep rhythm"
            }
        }
    ],
    "exclusion": [
        {
            "label": {
                "@language": "en",
                "@value": "disorders of the sleep-wake schedule (organic)"
            }
        }
    ],
    "classKind": "category"
}