[
  {
    "phenotype_id": "PH3557",
    "phenotype_version_id": 8629,
    "name": "Mechanical or Artificial Valves",
    "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": "2026-01-26T23:22:03.023603Z",
    "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": "2026-01-26T23:22:09.019173Z",
    "references": [
      {
        "url": "https://github.com/opensafely/codelist-development/issues/91",
        "title": "GitHub Discussion"
      }
    ],
    "signed_off": [],
    "methodology": "We have prepared this codelist to identify the presence of a mechanical or metal valve. We did not include codes like \"prosthetic \" as it does clearly identify metal/mechanical valves.\n\n",
    "coding_system": [
      {
        "name": "SNOMED  CT codes",
        "value": 9
      }
    ],
    "open_codelist_id": "opensafely/mechanical-or-artificial-valves",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/mechanical-or-artificial-valves/18c42b4d",
    "concept_information": [
      {
        "concept_id": 8806,
        "concept_version_id": 16291,
        "concept_name": "opensafely/mechanical-or-artificial-valves/18c42b4d",
        "coding_system": {
          "id": 9,
          "name": "SNOMED  CT codes",
          "description": "SNOMED CT codes"
        },
        "phenotype_id": "PH3557",
        "phenotype_version_id": 8629,
        "phenotype_name": "Mechanical or Artificial Valves",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "125411000119107",
            "description": "History of mechanical aortic valve replacement",
            "attributes": null
          },
          {
            "code": "174920003",
            "description": "Prosthetic mitral valve replacement (& [Bjork Shiley] or [Carpentier Edwards])",
            "attributes": null
          },
          {
            "code": "174929002",
            "description": "Mechanical prosthetic aortic valve replacement",
            "attributes": null
          },
          {
            "code": "174937005",
            "description": "Mechanical prosthetic tricuspid valve replacement",
            "attributes": null
          },
          {
            "code": "174946004",
            "description": "Mechanical prosthetic pulmonary valve replacement",
            "attributes": null
          },
          {
            "code": "174954002",
            "description": "Prosthetic heart valve replacement: [NEC] or [Starr Edwards]",
            "attributes": null
          },
          {
            "code": "232773001",
            "description": "Bjork-Shiley prosthetic replacement of mitral valve",
            "attributes": null
          },
          {
            "code": "232923009",
            "description": "Mechanical prosthetic atrioventricular valve replacement",
            "attributes": null
          },
          {
            "code": "232951000",
            "description": "Mechanical prosthetic truncal valve replacement",
            "attributes": null
          },
          {
            "code": "257286007",
            "description": "Conduit with mechanical prosthetic valve",
            "attributes": null
          },
          {
            "code": "275030001",
            "description": "Ball valve mitral valve replacement",
            "attributes": null
          },
          {
            "code": "275031002",
            "description": "Disc valve mitral valve replacement",
            "attributes": null
          },
          {
            "code": "275032009",
            "description": "Single leaflet mitral valve replacement",
            "attributes": null
          },
          {
            "code": "275033004",
            "description": "Bileaflet mitral valve replacement",
            "attributes": null
          },
          {
            "code": "275199000",
            "description": "Ball valve aortic valve replacement",
            "attributes": null
          },
          {
            "code": "275200002",
            "description": "Disc valve aortic valve replacement",
            "attributes": null
          },
          {
            "code": "275201003",
            "description": "Single leaflet aortic valve replacement",
            "attributes": null
          },
          {
            "code": "275202005",
            "description": "Bileaflet aortic valve replacement",
            "attributes": null
          },
          {
            "code": "275203000",
            "description": "Ball valve tricuspid valve replacement",
            "attributes": null
          },
          {
            "code": "275204006",
            "description": "Disc valve tricuspid valve replacement",
            "attributes": null
          },
          {
            "code": "275205007",
            "description": "Single leaflet tricuspid valve replacement",
            "attributes": null
          },
          {
            "code": "275206008",
            "description": "Bileaflet tricuspid valve replacement",
            "attributes": null
          },
          {
            "code": "275207004",
            "description": "Ball valve pulmonary valve replacement",
            "attributes": null
          },
          {
            "code": "275209001",
            "description": "Disc valve pulmonary valve replacement",
            "attributes": null
          },
          {
            "code": "275210006",
            "description": "Single leaflet pulmonary valve replacement",
            "attributes": null
          },
          {
            "code": "275211005",
            "description": "Bileaflet pulmonary valve replacement",
            "attributes": null
          },
          {
            "code": "308668006",
            "description": "Ball valve atrioventricular valve replacement",
            "attributes": null
          },
          {
            "code": "308669003",
            "description": "Disc valve atrioventricular valve replacement",
            "attributes": null
          },
          {
            "code": "308670002",
            "description": "Single leaflet atrioventricular valve replacement",
            "attributes": null
          },
          {
            "code": "308671003",
            "description": "Bileaflet atrioventricular valve replacement",
            "attributes": null
          },
          {
            "code": "308673000",
            "description": "Ball valve truncal valve replacement",
            "attributes": null
          },
          {
            "code": "308674006",
            "description": "Disc valve truncal valve replacement",
            "attributes": null
          },
          {
            "code": "308675007",
            "description": "Single leaflet truncal valve replacement",
            "attributes": null
          },
          {
            "code": "308676008",
            "description": "Bileaflet truncal valve replacement",
            "attributes": null
          },
          {
            "code": "310819002",
            "description": "Ball and cage cardiac valve prosthesis",
            "attributes": null
          },
          {
            "code": "310820008",
            "description": "Tilting disc cardiac valve prosthesis",
            "attributes": null
          },
          {
            "code": "33711000119109",
            "description": "History of mechanical heart valve replacement",
            "attributes": null
          },
          {
            "code": "431339008",
            "description": "Mechanical prosthetic mitral valve replacement",
            "attributes": null
          },
          {
            "code": "698545003",
            "description": "History of mechanical prosthetic mitral valve replacement",
            "attributes": null
          },
          {
            "code": "699347000",
            "description": "Mechanical heart valve replacement",
            "attributes": null
          },
          {
            "code": "705991002",
            "description": "Mechanical cardiac valve prosthesis",
            "attributes": null
          },
          {
            "code": "736892002",
            "description": "Aortic bi-leaflet mechanical valve prosthesis",
            "attributes": null
          },
          {
            "code": "736893007",
            "description": "Aortic tri-leaflet mechanical valve prosthesis",
            "attributes": null
          },
          {
            "code": "736894001",
            "description": "Mitral bi-leaflet mechanical valve prosthesis",
            "attributes": null
          },
          {
            "code": "860667004",
            "description": "Aortic bi-leaflet mechanical valve prosthesis with biologic-polymer aorta graft",
            "attributes": null
          },
          {
            "code": "96271000119109",
            "description": "History of mechanical mitral valve replacement",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "18c42b4d",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/41aq-zx63",
    "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": 8629,
        "version_name": "Mechanical or Artificial Valves",
        "version_date": "2026-01-26T23:22:09.030759Z",
        "is_published": true,
        "is_latest": true
      },
      {
        "version_id": 8628,
        "version_name": "Mechanical or Artificial Valves",
        "version_date": "2026-01-26T23:22:07.807627Z",
        "is_published": true,
        "is_latest": false
      },
      {
        "version_id": 8627,
        "version_name": "Mechanical or Artificial Valves",
        "version_date": "2026-01-26T23:22:06.636536Z",
        "is_published": true,
        "is_latest": false
      },
      {
        "version_id": 8626,
        "version_name": "Mechanical or Artificial Valves",
        "version_date": "2026-01-26T23:22:05.431083Z",
        "is_published": true,
        "is_latest": false
      },
      {
        "version_id": 8625,
        "version_name": "Mechanical or Artificial Valves",
        "version_date": "2026-01-26T23:22:04.285155Z",
        "is_published": true,
        "is_latest": false
      },
      {
        "version_id": 8624,
        "version_name": "Mechanical or Artificial Valves",
        "version_date": "2026-01-26T23:22:03.031212Z",
        "is_published": true,
        "is_latest": false
      }
    ]
  }
]