[
  {
    "phenotype_id": "PH3274",
    "phenotype_version_id": 8265,
    "name": "Amputation OPCS-4 procedure 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\nOPCS\\-4 codes to identify amputations following orthopaedic surgery\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": "2026-01-26T23:08:57.419981Z",
    "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": "2026-01-26T23:08:57.415332Z",
    "references": [],
    "signed_off": [],
    "methodology": "",
    "coding_system": [
      {
        "name": "OPCS4 codes",
        "value": 7
      }
    ],
    "open_codelist_id": "opensafely/amputation-opcs-4-procedure-codes",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/amputation-opcs-4-procedure-codes/3202ab73",
    "concept_information": [
      {
        "concept_id": 8442,
        "concept_version_id": 15927,
        "concept_name": "opensafely/amputation-opcs-4-procedure-codes/3202ab73",
        "coding_system": {
          "id": 7,
          "name": "OPCS4 codes",
          "description": "OPCS4 codes"
        },
        "phenotype_id": "PH3274",
        "phenotype_version_id": 8265,
        "phenotype_name": "Amputation OPCS-4 procedure codes",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "X07.1",
            "description": "Forequarter amputation",
            "attributes": null
          },
          {
            "code": "X07.2",
            "description": "Disarticulation of shoulder",
            "attributes": null
          },
          {
            "code": "X07.3",
            "description": "Amputation of arm above elbow",
            "attributes": null
          },
          {
            "code": "X07.4",
            "description": "Amputation of arm through elbow",
            "attributes": null
          },
          {
            "code": "X07.5",
            "description": "Amputation of arm through forearm",
            "attributes": null
          },
          {
            "code": "X07.8",
            "description": "Other specified amputation of arm",
            "attributes": null
          },
          {
            "code": "X08.1",
            "description": "Amputation of hand at wrist",
            "attributes": null
          },
          {
            "code": "X08.2",
            "description": "Amputation of thumb",
            "attributes": null
          },
          {
            "code": "X08.3",
            "description": "Amputation of phalanx of finger",
            "attributes": null
          },
          {
            "code": "X08.4",
            "description": "Amputation of finger NEC",
            "attributes": null
          },
          {
            "code": "X08.8",
            "description": "Other specified amputation of hand",
            "attributes": null
          },
          {
            "code": "X08.9",
            "description": "Unspecified amputation of hand",
            "attributes": null
          },
          {
            "code": "X09.1",
            "description": "Hindquarter amputation",
            "attributes": null
          },
          {
            "code": "X09.2",
            "description": "Disarticulation of hip",
            "attributes": null
          },
          {
            "code": "X09.3",
            "description": "Amputation of leg above knee",
            "attributes": null
          },
          {
            "code": "X09.4",
            "description": "Amputation of leg through knee",
            "attributes": null
          },
          {
            "code": "X09.5",
            "description": "Amputation of leg below knee",
            "attributes": null
          },
          {
            "code": "X09.8",
            "description": "Other specified amputation of leg",
            "attributes": null
          },
          {
            "code": "X10.1",
            "description": "Amputation of foot through ankle",
            "attributes": null
          },
          {
            "code": "X10.2",
            "description": "Disarticulation of tarsal bones",
            "attributes": null
          },
          {
            "code": "X10.3",
            "description": "Disarticulation of metatarsal bones",
            "attributes": null
          },
          {
            "code": "X10.4",
            "description": "Amputation through metatarsal bones",
            "attributes": null
          },
          {
            "code": "X10.8",
            "description": "Other specified amputation of foot",
            "attributes": null
          },
          {
            "code": "X10.9",
            "description": "Unspecified amputation of foot",
            "attributes": null
          },
          {
            "code": "X11.1",
            "description": "Amputation of great toe",
            "attributes": null
          },
          {
            "code": "X11.2",
            "description": "Amputation of phalanx of toe",
            "attributes": null
          },
          {
            "code": "X11.8",
            "description": "Other specified amputation of toe",
            "attributes": null
          },
          {
            "code": "X11.9",
            "description": "Unspecified amputation of toe",
            "attributes": null
          },
          {
            "code": "X12.1",
            "description": "Reamputation at higher level",
            "attributes": null
          },
          {
            "code": "X12.2",
            "description": "Excision of lesion of amputation stump",
            "attributes": null
          },
          {
            "code": "X12.3",
            "description": "Shortening of length of amputation stump",
            "attributes": null
          },
          {
            "code": "X12.4",
            "description": "Revision of coverage of amputation stump",
            "attributes": null
          },
          {
            "code": "X12.5",
            "description": "Drainage of amputation stump",
            "attributes": null
          },
          {
            "code": "X12.8",
            "description": "Other specified operations on amputation stump",
            "attributes": null
          },
          {
            "code": "X12.9",
            "description": "Unspecified operations on amputation stump",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "3202ab73",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/tvr4-zp90",
    "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": 8266,
        "version_name": "Amputation OPCS-4 procedure codes",
        "version_date": "2026-01-26T23:08:58.592518Z",
        "is_published": true,
        "is_latest": true
      },
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        "version_id": 8265,
        "version_name": "Amputation OPCS-4 procedure codes",
        "version_date": "2026-01-26T23:08:57.426515Z",
        "is_published": true,
        "is_latest": false
      }
    ]
  }
]