Cross-Version Extension for MessageDefinition.identifier in R4

Context of Use

This extension may be used in the following contexts:

• element MessageDefinition (For version R3)
• extension http://hl7.org/fhir/3.0/StructureDefinition/extension-MessageDefinition
• element Basic (For version R2)

Name	Flags	Card.	Type	Description & Constraints
Extension		0..*	Extension	Primary key for the message definition on a given server
extension		..0
value[x]		1..	Identifier
url				"http://hl7.org/fhir/4.0/StructureDefinition/extension-MessageDefinition.identifier"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r4-msd.identifier",
  "url" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-MessageDefinition.identifier",
  "name" : "XVerExtensionMessageDefinition.identifierR4",
  "title" : "Cross-Version Extension for MessageDefinition.identifier in R4",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Infrastructure And Messaging)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/special/committees/inm/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for MessageDefinition.identifier. Valid in versions R2, R3\r\n\r\nThis is a valid cross-version extension because the cardinality changed",
  "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" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "MessageDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-MessageDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Basic"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Primary key for the message definition on a given server",
      "definition" : "A formal identifier that is used to identify this message definition when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "comment" : "Typically, this is used for identifiers that can go in an HL7 V3 II (instance identifier) data type, and can then identify this message definition outside of FHIR, where it is not possible to use the logical URI.",
      "requirements" : "Allows externally provided and/or usable business identifiers to be easily associated with the module.",
      "min" : 0,
      "max" : "*",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "Identifier"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-MessageDefinition.identifier"
    }]
  }
}