Cross-Version Extension for ResearchStudy.comparisonGroup in R5

URLhttp://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup
Version
Statusactive
Description

Cross-Version Extension for ResearchStudy.comparisonGroup. 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..*ExtensionDefined path through the study for a subject
... extension:descriptionR5 ?gen-e1? [CanonicalType[http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.description]]URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.description
... extension:intendedExposureR5 ?gen-e1? [CanonicalType[http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.intendedExposure]]URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.intendedExposure
... extension:linkIdR5 ?gen-e1? [CanonicalType[http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.linkId]]URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.linkId
... extension:nameR5 ?gen-e1? [CanonicalType[http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.name]]URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.name
... extension:observedGroupR5 ?gen-e1? [CanonicalType[http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.observedGroup]]URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.observedGroup
... extension:typeR5 ?gen-e1? [CanonicalType[http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.type]]URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.type
... extension 1..
... value[x] ..0
... url "http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup"

doco Documentation for this format
{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-rst.comparisonGroup",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup",
  "name" : "XVerExtensionResearchStudy.comparisonGroupR5",
  "title" : "Cross-Version Extension for ResearchStudy.comparisonGroup in R5",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Biomedical Research and Regulation)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/rcrim/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for ResearchStudy.comparisonGroup. 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" : "ResearchStudy"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-ResearchStudy"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ResearchStudy"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-ResearchStudy"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ResearchStudy"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-ResearchStudy"
  },
  {
    "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" : "Defined path through the study for a subject",
      "definition" : "Describes an expected event or sequence of events for one of the subjects of a study. E.g. for a living subject: exposure to drug A, wash-out, exposure to drug B, wash-out, follow-up. E.g. for a stability study: {store sample from lot A at 25 degrees for 1 month}, {store sample from lot A at 40 degrees for 1 month}.",
      "comment" : "In many clinical trials this is refered to as the ARM of the study, but such a term is not used in other sorts of trials even when there is a comparison between two or more groups.",
      "alias" : ["arm"],
      "min" : 0,
      "max" : "*",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "clinicaltrials-gov",
        "map" : "Arms"
      },
      {
        "identity" : "BRIDG5.1",
        "map" : "Arm"
      }]
    },
    {
      "path" : "Extension.extension",
      "sliceName" : "descriptionR5",
      "type" : [{
        "code" : "Extension",
        "profile" : ["http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.description"]
      }]
    },
    {
      "path" : "Extension.extension",
      "sliceName" : "intendedExposureR5",
      "type" : [{
        "code" : "Extension",
        "profile" : ["http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.intendedExposure"]
      }]
    },
    {
      "path" : "Extension.extension",
      "sliceName" : "linkIdR5",
      "type" : [{
        "code" : "Extension",
        "profile" : ["http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.linkId"]
      }]
    },
    {
      "path" : "Extension.extension",
      "sliceName" : "nameR5",
      "type" : [{
        "code" : "Extension",
        "profile" : ["http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.name"]
      }]
    },
    {
      "path" : "Extension.extension",
      "sliceName" : "observedGroupR5",
      "type" : [{
        "code" : "Extension",
        "profile" : ["http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.observedGroup"]
      }]
    },
    {
      "path" : "Extension.extension",
      "sliceName" : "typeR5",
      "type" : [{
        "code" : "Extension",
        "profile" : ["http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup.type"]
      }]
    },
    {
      "path" : "Extension.extension",
      "min" : 1
    },
    {
      "path" : "Extension.value[x]",
      "max" : "0"
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup"
    }]
  }
}