Cross-Version Extension for NamingSystem.identifier in R5

Context of Use

This extension may be used in the following contexts:

• element NamingSystem (For version R4B)
• extension http://hl7.org/fhir/4.3/StructureDefinition/extension-NamingSystem
• element NamingSystem (For version R4)
• extension http://hl7.org/fhir/4.0/StructureDefinition/extension-NamingSystem
• element NamingSystem (For version R3)
• extension http://hl7.org/fhir/3.0/StructureDefinition/extension-NamingSystem
• element NamingSystem (For version R2)
• extension http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem

Name	Flags	Card.	Type	Description & Constraints
Extension		0..*	Extension	Additional identifier for the naming system (business identifier)
extension		..0
value[x]		1..	Identifier
url				"http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.identifier"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-nsd.identifier",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.identifier",
  "name" : "XVerExtensionNamingSystem.identifierR5",
  "title" : "Cross-Version Extension for NamingSystem.identifier in R5",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Terminology Infrastructure)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/Vocab/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for NamingSystem.identifier. Valid in versions R2, R3, R4, R4B\r\n\r\nThis is a valid cross-version extension because it's counted as a new element",
  "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" : "4.3"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.3"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "NamingSystem"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-NamingSystem"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "NamingSystem"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-NamingSystem"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "NamingSystem"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-NamingSystem"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "NamingSystem"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-NamingSystem"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Additional identifier for the naming system (business identifier)",
      "definition" : "A formal identifier that is used to identify this naming system 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 naming system 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 naming system.",
      "min" : 0,
      "max" : "*",
      "isModifier" : false,
      "mapping" : [{
        "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/5.0/StructureDefinition/extension-NamingSystem.identifier"
    }]
  }
}