FHIR IG Statistics: CodeSystem/extension-style

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{
  "resourceType": "CodeSystem",
  "id": "extension-style",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 3
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "informative",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/tools/ImplementationGuide/hl7.fhir.uv.tools"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/tools/CodeSystem/extension-style",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.40.1.16.7"
    }
  ],
  "version": "0.6.0-cibuild",
  "name": "ExtensionStyles",
  "title": "Extension Style Codes",
  "status": "active",
  "experimental": false,
  "date": "2025-07-20T10:49:18+00:00",
  "publisher": "HL7 International / FHIR Infrastructure",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "How the type can be extended. Note that all FHIR types that inherit from ```Element``` have extension-style = fhir-extensions",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "content": "complete",
  "concept": [
    {
      "code": "none",
      "display": "none",
      "definition": "No extensions"
    },
    {
      "code": "fhir-extensions",
      "display": "fhir-extensions",
      "definition": "FHIR extension style: the element defines 'extension' which can be constrained by profiles"
    },
    {
      "code": "named-elements",
      "display": "named-elements",
      "definition": "The type can be extended by having additional named elements, where the name is from the elementdefinition-xml-name or elementdefinition-json-name for xml and json respectively"
    }
  ]
}