Cross-Version Extension for StructureDefinition.fhirVersion in R2

Context of Use

This extension may be used in the following contexts:

• element StructureDefinition (For version R5)
• extension http://hl7.org/fhir/5.0/StructureDefinition/extension-StructureDefinition
• element StructureDefinition (For version R4B)
• extension http://hl7.org/fhir/4.3/StructureDefinition/extension-StructureDefinition
• element StructureDefinition (For version R4)
• extension http://hl7.org/fhir/4.0/StructureDefinition/extension-StructureDefinition

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	FHIR Version this StructureDefinition targets
extension		..0
value[x]		1..
url				"http://hl7.org/fhir/1.0/StructureDefinition/extension-StructureDefinition.fhirVersion"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r2-sdf.fhirVersion",
  "url" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-StructureDefinition.fhirVersion",
  "name" : "XVerExtensionStructureDefinition.fhirVersionR2",
  "title" : "Cross-Version Extension for StructureDefinition.fhirVersion in R2",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (FHIR Infrastructure)",
  "contact" : [{
    "telecom" : [{
      "system" : "other",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "other",
      "value" : "http://www.hl7.org/Special/committees/fiwg/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for StructureDefinition.fhirVersion. Valid in versions R4, R4B, R5\r\n\r\nThis is a valid extension because the types id were removed in a later version",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "5.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "5.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "StructureDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-StructureDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.3"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.3"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "StructureDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-StructureDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "StructureDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-StructureDefinition"
  }],
  "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 1.0.2 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
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-StructureDefinition.fhirVersion"
    }]
  }
}