[
  {
    "phenotype_id": "PH3386",
    "phenotype_version_id": 8406,
    "name": "Crohn's Disease",
    "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": "2026-01-26T23:14:49.031780Z",
    "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": "2026-01-26T23:14:49.026380Z",
    "references": [],
    "signed_off": [],
    "methodology": "",
    "coding_system": [
      {
        "name": "Read codes v3",
        "value": 6
      }
    ],
    "open_codelist_id": "opensafely/crohns-disease",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/crohns-disease/223a39f5",
    "concept_information": [
      {
        "concept_id": 8583,
        "concept_version_id": 16068,
        "concept_name": "opensafely/crohns-disease/223a39f5",
        "coding_system": {
          "id": 6,
          "name": "Read codes v3",
          "description": "Read codes v3"
        },
        "phenotype_id": "PH3386",
        "phenotype_version_id": 8406,
        "phenotype_name": "Crohn's Disease",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "J400.",
            "description": "Regional enteritis of small bowel",
            "attributes": null
          },
          {
            "code": "J4000",
            "description": "Crohn's disease of duodenum",
            "attributes": null
          },
          {
            "code": "J4002",
            "description": "Crohn's disease of terminal ileum",
            "attributes": null
          },
          {
            "code": "J4003",
            "description": "Crohn's disease of the ileum unspecified",
            "attributes": null
          },
          {
            "code": "J4004",
            "description": "Crohn's disease of the ileum NOS",
            "attributes": null
          },
          {
            "code": "J400z",
            "description": "Crohn's disease of the small bowel NOS",
            "attributes": null
          },
          {
            "code": "J401.",
            "description": "Regional enteritis of the large bowel",
            "attributes": null
          },
          {
            "code": "J4010",
            "description": "Crohn's colitis",
            "attributes": null
          },
          {
            "code": "J4011",
            "description": "Crohn's proctitis",
            "attributes": null
          },
          {
            "code": "J401z",
            "description": "(Crohn's colitis) or (Crohn's disease of large bowel NOS)",
            "attributes": null
          },
          {
            "code": "J402.",
            "description": "Regional ileocolitis",
            "attributes": null
          },
          {
            "code": "J40z.",
            "description": "Regional enteritis NOS",
            "attributes": null
          },
          {
            "code": "Jyu40",
            "description": "[X]Other Crohn's disease",
            "attributes": null
          },
          {
            "code": "X300J",
            "description": "Crohn's disease of oesophagus",
            "attributes": null
          },
          {
            "code": "X301b",
            "description": "Crohn's disease of stomach",
            "attributes": null
          },
          {
            "code": "X302r",
            "description": "Crohn's jejunitis",
            "attributes": null
          },
          {
            "code": "X302t",
            "description": "Crohn's ileitis",
            "attributes": null
          },
          {
            "code": "X3050",
            "description": "Perianal Crohn's disease",
            "attributes": null
          },
          {
            "code": "Xa0lh",
            "description": "Regional enteritis",
            "attributes": null
          },
          {
            "code": "XaK6C",
            "description": "Exacerbation of Crohn's disease of small intestine",
            "attributes": null
          },
          {
            "code": "XaK6D",
            "description": "Exacerbation of Crohn's disease of large intestine",
            "attributes": null
          },
          {
            "code": "XE0af",
            "description": "Crohn's disease of the large bowel NOS",
            "attributes": null
          },
          {
            "code": "XE0cZ",
            "description": "Crohn's disease (& [regional enteritis])",
            "attributes": null
          },
          {
            "code": "XE2QL",
            "description": "Crohn's disease",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "223a39f5",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/v49y-5e45",
    "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": 8406,
        "version_name": "Crohn's Disease",
        "version_date": "2026-01-26T23:14:49.042967Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]