[
  {
    "phenotype_id": "PH3818",
    "phenotype_version_id": 8971,
    "name": "symptom colorectal IDA",
    "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": "2026-01-26T23:35:27.202706Z",
    "author": "PHC, University of Oxford",
    "collections": [
      {
        "name": "OpenCodelist",
        "value": 31
      },
      {
        "name": "Phenotype Library",
        "value": 18
      }
    ],
    "tags": null,
    "organisation": {
      "id": 1,
      "slug": "opensafely",
      "name": "OpenSAFELY"
    },
    "world_access": 1,
    "updated": "2026-01-26T23:35:27.197275Z",
    "references": [],
    "signed_off": [],
    "methodology": "",
    "coding_system": [
      {
        "name": "SNOMED  CT codes",
        "value": 9
      }
    ],
    "open_codelist_id": "phc/symptom-colorectal-ida",
    "source_reference": "https://www.opencodelists.org/codelist/phc/symptom-colorectal-ida/7e441757",
    "concept_information": [
      {
        "concept_id": 9148,
        "concept_version_id": 16633,
        "concept_name": "phc/symptom-colorectal-ida/7e441757",
        "coding_system": {
          "id": 9,
          "name": "SNOMED  CT codes",
          "description": "SNOMED CT codes"
        },
        "phenotype_id": "PH3818",
        "phenotype_version_id": 8971,
        "phenotype_name": "symptom colorectal IDA",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "191127009",
            "description": "Anaemia due to chronic blood loss: [iron deficiency] or [normocytic]",
            "attributes": null
          },
          {
            "code": "191128004",
            "description": "Iron deficiency anemia due to dietary causes",
            "attributes": null
          },
          {
            "code": "191135007",
            "description": "Chlorotic anemia",
            "attributes": null
          },
          {
            "code": "191408005",
            "description": "[X]Other iron deficiency anemias",
            "attributes": null
          },
          {
            "code": "234351006",
            "description": "Iron deficiency anaemia due to chronic blood loss",
            "attributes": null
          },
          {
            "code": "371315009",
            "description": "Iron deficiency anemia secondary to inadequate dietary iron intake",
            "attributes": null
          },
          {
            "code": "397761000000103",
            "description": "[X]Other iron deficiency anaemias",
            "attributes": null
          },
          {
            "code": "413533008",
            "description": "Anemia due to chronic blood loss",
            "attributes": null
          },
          {
            "code": "42626004",
            "description": "Iron deficiency anemia secondary to chronic blood loss",
            "attributes": null
          },
          {
            "code": "44252001",
            "description": "Blood loss anemia",
            "attributes": null
          },
          {
            "code": "598461000000107",
            "description": "Iron deficiency anemia NOS",
            "attributes": null
          },
          {
            "code": "610661000000100",
            "description": "Other specified iron deficiency anemia NOS",
            "attributes": null
          },
          {
            "code": "610671000000107",
            "description": "Unspecified iron deficiency anemia",
            "attributes": null
          },
          {
            "code": "661301000000100",
            "description": "Other specified iron deficiency anemia",
            "attributes": null
          },
          {
            "code": "717948004",
            "description": "Acquired iron deficiency anemia due to increased iron requirement",
            "attributes": null
          },
          {
            "code": "722005000",
            "description": "Iron-refractory iron deficiency anemia",
            "attributes": null
          },
          {
            "code": "724556004",
            "description": "Iron deficiency anemia due to blood loss",
            "attributes": null
          },
          {
            "code": "724557008",
            "description": "Acquired iron deficiency anemia due to decreased absorption",
            "attributes": null
          },
          {
            "code": "80126007",
            "description": "Plummer-Vinson syndrome",
            "attributes": null
          },
          {
            "code": "87522002",
            "description": "Iron deficiency anemia",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "7e441757",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/1ej8-wn75",
    "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": 8971,
        "version_name": "symptom colorectal IDA",
        "version_date": "2026-01-26T23:35:27.214822Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]