Cross-Version Extension for Questionnaire.item.answerOption.initialSelected in R4

Context of Use

This extension may be used in the following contexts:

• element Questionnaire.item.option (For version R3)
• extension http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.option
• element Questionnaire.group.question.option (For version R2)
• extension http://hl7.org/fhir/1.0/StructureDefinition/extension-Questionnaire.group.question.option

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	Whether option is selected by default
extension		..0
value[x]		1..	boolean
url				"http://hl7.org/fhir/4.0/StructureDefinition/extension-Questionnaire.item.answerOption.initialSelected"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r4-que.ite.ans.initialSelected",
  "url" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-Questionnaire.item.answerOption.initialSelected",
  "name" : "XVerExtensionQuestionnaire.item.answerOption.initialSelectedR4",
  "title" : "Cross-Version Extension for Questionnaire.item.answerOption.initialSelected in R4",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (FHIR Infrastructure)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for Questionnaire.item.answerOption.initialSelected. Valid in versions R2, R3\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" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Questionnaire.item.option"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.option"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Questionnaire.group.question.option"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Questionnaire.group.question.option"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Whether option is selected by default",
      "definition" : "Indicates whether the answer value is selected when the list of possible answers is initially shown.",
      "comment" : "Use this instead of initial[v] if answerValueSet is present.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A - MIF rather than RIM level"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "boolean"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-Questionnaire.item.answerOption.initialSelected"
    }]
  }
}