[
  {
    "phenotype_id": "PH3393",
    "phenotype_version_id": 8413,
    "name": "Dementia",
    "definition": "This codelist was taken from [OpenCodelists](https://www.opencodelists.org/), created by [OpenSAFELY](https://www.opensafely.org/). We recommend viewing this Phenotype on the OpenCodelist website to view the most recent version.\n\n\nCodes indicating dementia\n\n\n© University of Oxford for the Bennett Institute for Applied Data Science 2025\\. This work may be copied freely for non\\-commercial research and study.\n\n",
    "implementation": null,
    "publications": null,
    "validation": null,
    "citation_requirements": null,
    "created": "2026-01-26T23:14:58.503668Z",
    "author": "OpenSAFELY",
    "collections": [
      {
        "name": "OpenCodelist",
        "value": 31
      },
      {
        "name": "Phenotype Library",
        "value": 18
      }
    ],
    "tags": null,
    "organisation": {
      "id": 1,
      "slug": "opensafely",
      "name": "OpenSAFELY"
    },
    "world_access": 1,
    "updated": "2026-01-26T23:14:58.498569Z",
    "references": [
      {
        "url": "https://github.com/ebmdatalab/opensafely-codelist-development/issues/5",
        "title": "Discussion on GitHub issue"
      }
    ],
    "signed_off": [],
    "methodology": "PLEASE NOTE that this captures primarily vascular dementia, as it is intended to be used as a subset of a series of codes indicating neurological conditions. \n\n\nIt should not be used to study dementia in general, as it excludes Alzheimer's disease.\n\n",
    "coding_system": [
      {
        "name": "Read codes v3",
        "value": 6
      }
    ],
    "open_codelist_id": "opensafely/dementia",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/dementia/2020-04-22",
    "concept_information": [
      {
        "concept_id": 8590,
        "concept_version_id": 16075,
        "concept_name": "opensafely/dementia/2020-04-22",
        "coding_system": {
          "id": 6,
          "name": "Read codes v3",
          "description": "Read codes v3"
        },
        "phenotype_id": "PH3393",
        "phenotype_version_id": 8413,
        "phenotype_name": "Dementia",
        "code_attribute_header": [
          "CTV3Source"
        ],
        "codes": [
          {
            "code": "E004.",
            "description": "Arteriosclerotic dementia (including [multi infarct dement])",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "E0040",
            "description": "Uncomplicated arteriosclerotic dementia",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "E0041",
            "description": "Arteriosclerotic dementia with delirium",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "E0042",
            "description": "Arteriosclerotic dementia with paranoia",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "E0043",
            "description": "Arteriosclerotic dementia with depression",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "E004z",
            "description": "Arteriosclerotic dementia NOS",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "Eu01.",
            "description": "Vascular dementia",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "Eu011",
            "description": "[X]Dementia: [multi-infarct] or [predominantly cortical]",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "Eu01y",
            "description": "[X]Other vascular dementia",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "Eu01z",
            "description": "[X]Vascular dementia, unspecified",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "Eu021",
            "description": "[X]Dementia in Creutzfeldt-Jakob disease",
            "attributes": {
              "CTV3Source": "CTV3Map_Code_And_Term"
            }
          },
          {
            "code": "X002m",
            "description": "Amyotrophic lateral sclerosis with dementia",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "X003R",
            "description": "Vascular dementia of acute onset",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "X003T",
            "description": "Subcortical vascular dementia",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "X003V",
            "description": "Mixed cortical and subcortical vascular dementia",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "XaE74",
            "description": "Senile dementia of the Lewy body type",
            "attributes": {
              "CTV3Source": "CTV3_Children"
            }
          },
          {
            "code": "XaKyY",
            "description": "[X]Lewy body dementia",
            "attributes": {
              "CTV3Source": "CTV3Map_Code_And_Term"
            }
          },
          {
            "code": "XE1Xs",
            "description": "Vascular dementia",
            "attributes": {
              "CTV3Source": "CTV3Map_Code_Only"
            }
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "0acaffd8",
    "open_codelist_version_tag": "2020-04-22",
    "status": 1,
    "doi": "https://doi.org/10.48533/spp0-2363",
    "is_deleted": false,
    "publish_status": 2,
    "owner": "ieuan.scanlon",
    "template": {
      "id": 3,
      "name": "OpenCodelists Phenotype",
      "description": "OpenSafely's OpenCodelist Phenotype, visit https://www.opencodelists.org/ to learn more",
      "version_id": 1
    },
    "versions": [
      {
        "version_id": 8413,
        "version_name": "Dementia",
        "version_date": "2026-01-26T23:14:58.511910Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]