Cross-Version Extension for Questionnaire.item.maxLength in R3

Context of Use

This extension may be used in the following contexts:

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

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	No more than this many characters
extension		..0
value[x]		1..	integer
url				"http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.maxLength"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r3-que.ite.maxLength",
  "url" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.maxLength",
  "name" : "XVerExtensionQuestionnaire.item.maxLengthR3",
  "title" : "Cross-Version Extension for Questionnaire.item.maxLength in R3",
  "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.maxLength. Valid in versions R2\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" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Questionnaire.group"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Questionnaire.group"
  },
  {
    "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"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Questionnaire.group.question"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "No more than this many characters",
      "definition" : "The maximum number of characters that are permitted in the answer to be considered a \"valid\" QuestionnaireResponse.",
      "comment" : "For base64binary, reflects the number of characters representing the encoded data, not the number of bytes of the binary data. The value may come from the ElementDefinition referred to by .definition.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "v2",
        "map" : "N/A"
      },
      {
        "identity" : "rim",
        "map" : "N/A - MIF rather than RIM level"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "integer"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-Questionnaire.item.maxLength"
    }]
  }
}