[
  {
    "phenotype_id": "PH3354",
    "phenotype_version_id": 8359,
    "name": "COVID-19 A&E diagnosis codes",
    "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\nSNOMED diagnosis codes for identifying people presenting to A\\&E with COVID\\-19\\. These codes are intended for use with NHS Emergency Care Data Set (ECDS) data only. Note that 1240751000000100 is deprecated as of 31 March 2022\\. The other three codes (1325171000000109, 1325181000000106, 1325161000000102\\) were introduced on 1 July 2021\\.\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": "2026-01-26T23:13:45.286197Z",
    "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": "2026-01-26T23:13:45.281807Z",
    "references": [
      {
        "url": "https://digital.nhs.uk/data-and-information/data-collections-and-data-sets/data-sets/emergency-care-data-set-ecds",
        "title": "NHS Emergency Care Data Set (ECDS)"
      },
      {
        "url": "https://digital.nhs.uk/data-and-information/data-collections-and-data-sets/data-sets/emergency-care-data-set-ecds/ecds-guidance",
        "title": "NHS Emergency Care Data Set (ECDS) guidance and documents"
      },
      {
        "url": "https://github.com/opensafely/codelist-development/issues/263",
        "title": "Github discussion"
      }
    ],
    "signed_off": [],
    "methodology": "Codes are based on COVID\\-19 related SNOMED codes in the NHS Emergency Care Data Set (ECDS) Enhanced Technical Output Specification (ETOS) version 4\\.0\\. The diagnosis field in ECDS should only contain the codes listed in this document. Note that while ETOS version 4\\.0 will be implemented on 1 July 2023, the COVID\\-19 related codes are the same in the previous version (v3\\.1\\.1\\).\n\n",
    "coding_system": [
      {
        "name": "SNOMED  CT codes",
        "value": 9
      }
    ],
    "open_codelist_id": "opensafely/covid-19-ae-diagnosis-codes",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/covid-19-ae-diagnosis-codes/1df1c0b2",
    "concept_information": [
      {
        "concept_id": 8536,
        "concept_version_id": 16021,
        "concept_name": "opensafely/covid-19-ae-diagnosis-codes/1df1c0b2",
        "coding_system": {
          "id": 9,
          "name": "SNOMED  CT codes",
          "description": "SNOMED CT codes"
        },
        "phenotype_id": "PH3354",
        "phenotype_version_id": 8359,
        "phenotype_name": "COVID-19 A&E diagnosis codes",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "1240751000000100",
            "description": "Coronavirus disease 19 caused by severe acute respiratory syndrome coronavirus 2",
            "attributes": null
          },
          {
            "code": "1325161000000102",
            "description": "Post-COVID-19 syndrome",
            "attributes": null
          },
          {
            "code": "1325171000000109",
            "description": "Acute disease caused by severe acute respiratory syndrome coronavirus 2 infection",
            "attributes": null
          },
          {
            "code": "1325181000000106",
            "description": "Ongoing symptomatic disease caused by severe acute respiratory syndrome coronavirus 2",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "1df1c0b2",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/7wtm-6a07",
    "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": 8359,
        "version_name": "COVID-19 A&E diagnosis codes",
        "version_date": "2026-01-26T23:13:45.295368Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]