Cross-Version Extension for StructureDefinition.fhirVersion in R5

Context of Use

This extension may be used in the following contexts:

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	FHIR Version this StructureDefinition targets
extension		..0
value[x]		1..	code
url				"http://hl7.org/fhir/5.0/StructureDefinition/extension-StructureDefinition.fhirVersion"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-sdf.fhirVersion",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-StructureDefinition.fhirVersion",
  "name" : "XVerExtensionStructureDefinition.fhirVersionR5",
  "title" : "Cross-Version Extension for StructureDefinition.fhirVersion in R5",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (FHIR Infrastructure)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for StructureDefinition.fhirVersion. Valid in versions R4, R4B\r\n\r\nThis is a valid extension because it has the following codes that are not in other versions 4.1, 4.2, 1.1, 4.2.0, 3.0, 5.0, 5.0.0-draft-final, 4.4, 4.5.0, 1.4, 5.0.0-cibuild, 1.6, 5.0.0-ballot, 5.0.0-snapshot2, 0.0, 5.0.0, 4.3, 4.6, 3.3, 5.0.0-snapshot1, 3.5, 0.5, 0.4, 1.8, 4.6.0, 4.4.0, 4.5, 1.0, 5.0.0-snapshot3, 4.0 (http://hl7.org/fhir/5.0/FHIR-version)",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "kind" : "complex-type",
  "abstract" : false,
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "FHIR Version this StructureDefinition targets",
      "definition" : "The version of the FHIR specification on which this StructureDefinition is based - this is the formal version of the specification, without the revision number, e.g. [publication].[major].[minor], which is 4.6.0. for this version.",
      "comment" : "A StructureDefinition does not need to specify the target it applies to as StructureDefinitions will often be valid across multiple versions of FHIR. FHIR tooling can determine whether a StructureDefinition is consistent with a particular StructureDefinition if desired.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "code"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-StructureDefinition.fhirVersion"
    }]
  }
}