[
  {
    "phenotype_id": "PH3978",
    "phenotype_version_id": 9175,
    "name": "atrial_fibrilation",
    "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\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": "2026-01-26T23:41:59.400351Z",
    "author": "QMUL Multimorbidity",
    "collections": [
      {
        "name": "OpenCodelist",
        "value": 31
      },
      {
        "name": "Phenotype Library",
        "value": 18
      }
    ],
    "tags": null,
    "organisation": {
      "id": 1,
      "slug": "opensafely",
      "name": "OpenSAFELY"
    },
    "world_access": 1,
    "updated": "2026-01-26T23:41:59.395938Z",
    "references": [],
    "signed_off": [],
    "methodology": "",
    "coding_system": [
      {
        "name": "Read codes v2",
        "value": 5
      }
    ],
    "open_codelist_id": "qmul-multimorbidity/atrial_fibrilation",
    "source_reference": "https://www.opencodelists.org/codelist/qmul-multimorbidity/atrial_fibrilation/3ecc89ac",
    "concept_information": [
      {
        "concept_id": 9352,
        "concept_version_id": 16837,
        "concept_name": "qmul-multimorbidity/atrial_fibrilation/3ecc89ac",
        "coding_system": {
          "id": 5,
          "name": "Read codes v2",
          "description": "Read codes v2"
        },
        "phenotype_id": "PH3978",
        "phenotype_version_id": 9175,
        "phenotype_name": "atrial_fibrilation",
        "code_attribute_header": [
          "Medcode",
          "ReadcodeDescr",
          "Category",
          "Provenance"
        ],
        "codes": [
          {
            "code": "14AN.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "6345",
              "ReadcodeDescr": "H/O: atrial fibrillation",
              "Category": "History of atrial fibrillation or flutter (1)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "14AR.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "93460",
              "ReadcodeDescr": "History of atrial flutter",
              "Category": "History of atrial fibrillation or flutter (1)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "212R.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "28994",
              "ReadcodeDescr": "Atrial fibrillation resolved",
              "Category": "History of atrial fibrillation or flutter (1)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "3272.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "3757",
              "ReadcodeDescr": "ECG: atrial fibrillation",
              "Category": "Atrial fibrillation, not otherwise specified (5)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "3273.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "6771",
              "ReadcodeDescr": "ECG: atrial flutter",
              "Category": "Atrial flutter (7)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "662S.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "18746",
              "ReadcodeDescr": "Atrial fibrillation monitoring",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "6A9..00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "45773",
              "ReadcodeDescr": "Atrial fibrillation annual review",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9hF..00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "63350",
              "ReadcodeDescr": "Exception reporting: atrial fibrillation quality indicators",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9hF1.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "39114",
              "ReadcodeDescr": "Excepted from atrial fibrillation qual indic: Inform dissent",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9Os..00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "57832",
              "ReadcodeDescr": "Atrial fibrillation monitoring administration",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9Os0.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "90187",
              "ReadcodeDescr": "Atrial fibrillation monitoring first letter",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9Os1.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "90188",
              "ReadcodeDescr": "Atrial fibrillation monitoring second letter",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9Os2.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "90189",
              "ReadcodeDescr": "Atrial fibrillation monitoring third letter",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9Os3.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "90190",
              "ReadcodeDescr": "Atrial fibrillation monitoring verbal invite",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "9Os4.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "90191",
              "ReadcodeDescr": "Atrial fibrillation monitoring telephone invite",
              "Category": "Atrial fibrillation monitoring (2)",
              "Provenance": "Kuan"
            }
          },
          {
            "code": "G573.00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "2212",
              "ReadcodeDescr": "Atrial fibrillation and flutter",
              "Category": "Atrial fibrillation or flutter (6)",
              "Provenance": "Kuan and Cambridge"
            }
          },
          {
            "code": "G573000",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "1664",
              "ReadcodeDescr": "Atrial fibrillation",
              "Category": "Atrial fibrillation, not otherwise specified (5)",
              "Provenance": "Kuan and Cambridge"
            }
          },
          {
            "code": "G573100",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "1757",
              "ReadcodeDescr": "Atrial flutter",
              "Category": "Atrial flutter (7)",
              "Provenance": "Kuan and Cambridge"
            }
          },
          {
            "code": "G573200",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "1268",
              "ReadcodeDescr": "Paroxysmal atrial fibrillation",
              "Category": "Paroxysmal atrial fibrillation (3)",
              "Provenance": "Kuan and Cambridge"
            }
          },
          {
            "code": "G573300",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "35127",
              "ReadcodeDescr": "Non-rheumatic atrial fibrillation",
              "Category": "Atrial fibrillation, not otherwise specified (5)",
              "Provenance": "Kuan and Cambridge"
            }
          },
          {
            "code": "G573400",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "96277",
              "ReadcodeDescr": "Permanent atrial fibrillation",
              "Category": "Persistent or permanent atrial fibrillation (4)",
              "Provenance": "Kuan and Cambridge"
            }
          },
          {
            "code": "G573500",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "96076",
              "ReadcodeDescr": "Persistent atrial fibrillation",
              "Category": "Persistent or permanent atrial fibrillation (4)",
              "Provenance": "Kuan and Cambridge"
            }
          },
          {
            "code": "G573z00",
            "description": "Atrial fibrillation",
            "attributes": {
              "Medcode": "23437",
              "ReadcodeDescr": "Atrial fibrillation and flutter NOS",
              "Category": "Atrial fibrillation or flutter (6)",
              "Provenance": "Kuan and Cambridge"
            }
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "3ecc89ac",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/25eh-cp05",
    "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": 9175,
        "version_name": "atrial_fibrilation",
        "version_date": "2026-01-26T23:41:59.405742Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]