Cross-Version Extension for ValueSet.topic in R5

URLhttp://hl7.org/fhir/5.0/StructureDefinition/extension-ValueSet.topic
Version
Statusactive
Description

Cross-Version Extension for ValueSet.topic. Valid in versions R2, R3, R4, R4B

This is a valid cross-version extension because it's counted as a new element

Context of Use

This extension may be used in the following contexts:

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*ExtensionE.g. Education, Treatment, Assessment, etc
... extension ..0
... value[x] 1..CodeableConcept
... url "http://hl7.org/fhir/5.0/StructureDefinition/extension-ValueSet.topic"

doco Documentation for this format
{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-vsd.topic",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-ValueSet.topic",
  "name" : "XVerExtensionValueSet.topicR5",
  "title" : "Cross-Version Extension for ValueSet.topic 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 ValueSet.topic. 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" : "ValueSet"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-ValueSet"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ValueSet"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-ValueSet"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ValueSet"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-ValueSet"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ValueSet"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-ValueSet"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "E.g. Education, Treatment, Assessment, etc",
      "definition" : "Descriptions related to the content of the ValueSet. Topics provide a high-level categorization as well as keywords for the ValueSet that can be useful for filtering and searching.",
      "comment" : "DEPRECATION NOTE: For consistency, implementations are encouraged to migrate to using the new 'topic' code in the useContext element.  (I.e. useContext.code indicating http://terminology.hl7.org/CodeSystem/usage-context-type#topic and useContext.valueCodeableConcept indicating the topic)",
      "requirements" : "Repositories must be able to determine how to categorize the ValueSet so that it can be found by topical and keyword searches.",
      "min" : 0,
      "max" : "*",
      "isModifier" : false
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "CodeableConcept"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-ValueSet.topic"
    }]
  }
}