[
  {
    "phenotype_id": "PH3685",
    "phenotype_version_id": 8793,
    "name": "Red blood cell (RBC) tests (numerical value)",
    "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\nA SNOMED CT codelist for patients receiving monitoring of red blood cell (RBC) tests with a numerical value\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": "2026-01-26T23:29:24.206771Z",
    "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": "2026-01-26T23:29:24.200370Z",
    "references": [],
    "signed_off": [],
    "methodology": "We identified the full set of red blood cell level codes (see RBC codelist), and excluded any codes which did not have at least 10 thousand codes in EMIS and SystmOne recorded in 2020, where a reasonable proportion had numerical values attached.\n\n",
    "coding_system": [
      {
        "name": "SNOMED  CT codes",
        "value": 9
      }
    ],
    "open_codelist_id": "opensafely/red-blood-cell-rbc-tests-numerical-value",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/red-blood-cell-rbc-tests-numerical-value/64dedc6f",
    "concept_information": [
      {
        "concept_id": 8970,
        "concept_version_id": 16455,
        "concept_name": "opensafely/red-blood-cell-rbc-tests-numerical-value/64dedc6f",
        "coding_system": {
          "id": 9,
          "name": "SNOMED  CT codes",
          "description": "SNOMED CT codes"
        },
        "phenotype_id": "PH3685",
        "phenotype_version_id": 8793,
        "phenotype_name": "Red blood cell (RBC) tests (numerical value)",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "1022451000000103",
            "description": "Red blood cell count",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "64dedc6f",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/7sbj-9966",
    "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": 8793,
        "version_name": "Red blood cell (RBC) tests (numerical value)",
        "version_date": "2026-01-26T23:29:24.218816Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]