Cross-Version Extension for ElementDefinition.fixed[x] in R4

Context of Use

This extension may be used in the following contexts:

• element ElementDefinition (For version R5)
• extension http://hl7.org/fhir/5.0/StructureDefinition/extension-ElementDefinition
• element ElementDefinition (For version R4B)
• extension http://hl7.org/fhir/4.3/StructureDefinition/extension-ElementDefinition
• element ElementDefinition (For version R3)
• extension http://hl7.org/fhir/3.0/StructureDefinition/extension-ElementDefinition
• element ElementDefinition (For version R2)
• extension http://hl7.org/fhir/1.0/StructureDefinition/extension-ElementDefinition

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	Value must be exactly this
extension		..0
value[x]		1..
valueCanonical			canonical(Any)
valueUrl			url
valueUuid			uuid
valueContactDetail			ContactDetail
valueDataRequirement			DataRequirement
valueExpression			Expression
valueParameterDefinition			ParameterDefinition
valueRelatedArtifact			RelatedArtifact
valueTriggerDefinition			TriggerDefinition
valueUsageContext			UsageContext
valueDosage			Dosage
url				"http://hl7.org/fhir/4.0/StructureDefinition/extension-ElementDefinition.fixed[x]"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r4-eld.fixed[x]",
  "url" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-ElementDefinition.fixed[x]",
  "name" : "XVerExtensionElementDefinition.fixed[x]R4",
  "title" : "Cross-Version Extension for ElementDefinition.fixed[x] in R4",
  "status" : "active",
  "experimental" : false,
  "publisher" : "HL7 FHIR Standard",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  }],
  "description" : "Cross-Version Extension for ElementDefinition.fixed[x]. Valid in versions R2, R3, R4B, R5\r\n\r\nThis is a valid extension because it has the types ContactDetail, Expression, UsageContext, TriggerDefinition, Contributor, canonical, DataRequirement, RelatedArtifact, Dosage, uuid, url, ParameterDefinition",
  "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" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-ElementDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.3"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.3"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-ElementDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-ElementDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-ElementDefinition"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Value must be exactly this",
      "definition" : "Specifies a value that SHALL be exactly the value  for this element in the instance. For purposes of comparison, non-significant whitespace is ignored, and all values must be an exact match (case and accent sensitive). Missing elements/attributes must also be missing.",
      "comment" : "This is not recommended for Coding and CodeableConcept since these often have highly contextual properties such as version or display.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A (MIF territory)"
      },
      {
        "identity" : "iso11179",
        "map" : "N/A (only relevant when constraining, which 11179 doesn't do)"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "canonical"
      },
      {
        "code" : "url"
      },
      {
        "code" : "uuid"
      },
      {
        "code" : "ContactDetail"
      },
      {
        "code" : "DataRequirement"
      },
      {
        "code" : "Expression"
      },
      {
        "code" : "ParameterDefinition"
      },
      {
        "code" : "RelatedArtifact"
      },
      {
        "code" : "TriggerDefinition"
      },
      {
        "code" : "UsageContext"
      },
      {
        "code" : "Dosage"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-ElementDefinition.fixed[x]"
    }]
  }
}