[
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267585,
    "code": "7700.",
    "description": "Emergency appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267586,
    "code": "77000",
    "description": "Emergency excision of abnormal appendix and drainage however further qualified",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267588,
    "code": "77001",
    "description": "Emergency excision of abnormal appendix NEC",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267591,
    "code": "77002",
    "description": "Emergency excision of normal appendix",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267587,
    "code": "77003",
    "description": "Emergency appendicectomy NEC",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267600,
    "code": "77004",
    "description": "Laparoscopic emergency appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267589,
    "code": "7700y",
    "description": "Other specified emergency excision of appendix",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267590,
    "code": "7700z",
    "description": "Emergency excision of appendix NOS",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267582,
    "code": "7701.",
    "description": "Appendicectomy: [other] or [non emergency]",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267594,
    "code": "77010",
    "description": "Interval appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267596,
    "code": "77011",
    "description": "Prophylactic appendicectomy NEC",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267593,
    "code": "77012",
    "description": "Incidental appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267595,
    "code": "77013",
    "description": "Planned delayed appendicectomy NEC",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267592,
    "code": "77014",
    "description": "Endoscopic appendicectomy NEC",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267597,
    "code": "7701y",
    "description": "Other specified other excision of appendix",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267581,
    "code": "7701z",
    "description": "Appendicectomy: [Other NOS] or [NEC]",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267584,
    "code": "PB201",
    "description": "Congenital absence of appendix",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267578,
    "code": "X20Wz",
    "description": "Appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267602,
    "code": "X20X0",
    "description": "Non-emergency appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267598,
    "code": "X20X1",
    "description": "Inversion appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267583,
    "code": "Xa7Tx",
    "description": "Appendix absent",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267579,
    "code": "Xa9U0",
    "description": "Appendicectomy NEC",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267599,
    "code": "Xa9w5",
    "description": "Laparoscopic appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267601,
    "code": "XaBAT",
    "description": "Laparoscopic interval appendicectomy",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267580,
    "code": "XaBAV",
    "description": "Appendicectomy and drainage",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267603,
    "code": "XE0D7",
    "description": "Other excision of appendix",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  },
  {
    "concept_id": 8418,
    "concept_history_id": 15903,
    "concept_history_date": "2026-01-26T23:07:44.661698Z",
    "component_id": 14601,
    "component_history_id": 17265,
    "logical_type": 1,
    "codelist_id": 14601,
    "codelist_history_id": 16277,
    "id": 1267604,
    "code": "XE0D8",
    "description": "Other excision of appendix NOS",
    "attributes": null,
    "rn": 1,
    "concept_version_id": 15903,
    "concept_name": "opensafely/absence-of-appendix/2020-09-28",
    "coding_system": {
      "id": 6,
      "name": "Read codes v3",
      "description": "Read codes v3"
    },
    "phenotype_id": "PH3256",
    "phenotype_version_id": 8241,
    "phenotype_name": "Absence of Appendix"
  }
]