[
  {
    "phenotype_id": "PH3526",
    "phenotype_version_id": 8590,
    "name": "Leflunomide",
    "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": "2026-01-26T23:21:07.479169Z",
    "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": "2026-01-26T23:21:07.472217Z",
    "references": [
      {
        "url": "https://github.com/opensafely/immunosuppressant-meds-research/issues/85",
        "title": "GitHub Discussion"
      }
    ],
    "signed_off": [],
    "methodology": "This is BNF codelist for Leflunomide `1001030L0`\n\n",
    "coding_system": [
      {
        "name": "BNF codes",
        "value": 11
      }
    ],
    "open_codelist_id": "opensafely/leflunomide",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/leflunomide/2b0fc469",
    "concept_information": [
      {
        "concept_id": 8767,
        "concept_version_id": 16252,
        "concept_name": "opensafely/leflunomide/2b0fc469",
        "coding_system": {
          "id": 11,
          "name": "BNF codes",
          "description": "BNF codes"
        },
        "phenotype_id": "PH3526",
        "phenotype_version_id": 8590,
        "phenotype_name": "Leflunomide",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "1001030L0",
            "description": "Leflunomide",
            "attributes": null
          },
          {
            "code": "1001030L0AA",
            "description": "Leflunomide",
            "attributes": null
          },
          {
            "code": "1001030L0AAAAAA",
            "description": "Leflunomide 10mg tablets",
            "attributes": null
          },
          {
            "code": "1001030L0AAABAB",
            "description": "Leflunomide 20mg tablets",
            "attributes": null
          },
          {
            "code": "1001030L0AAACAC",
            "description": "Leflunomide 100mg tablets",
            "attributes": null
          },
          {
            "code": "1001030L0AAADAD",
            "description": "Leflunomide 15mg tablets",
            "attributes": null
          },
          {
            "code": "1001030L0BB",
            "description": "Arava",
            "attributes": null
          },
          {
            "code": "1001030L0BBAAAA",
            "description": "Arava 10mg tablets",
            "attributes": null
          },
          {
            "code": "1001030L0BBABAB",
            "description": "Arava 20mg tablets",
            "attributes": null
          },
          {
            "code": "1001030L0BBACAC",
            "description": "Arava 100mg tablets",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "2b0fc469",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/40te-8n76",
    "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": 8590,
        "version_name": "Leflunomide",
        "version_date": "2026-01-26T23:21:07.489737Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]