Cross-Version Extension for Group.membership in R5

Context of Use

This extension may be used in the following contexts:

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

Name	Flags	Card.	Type	Description & Constraints
Extension		1..1	Extension	definitional | enumerated
extension		..0
value[x]		1..	code	Binding: todo (required): The basis for membership in a group
url				"http://hl7.org/fhir/5.0/StructureDefinition/extension-Group.membership"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-grp.membership",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Group.membership",
  "name" : "XVerExtensionGroup.membershipR5",
  "title" : "Cross-Version Extension for Group.membership in R5",
  "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 Group.membership. 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" : "Group"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-Group"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Group"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-Group"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Group"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-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" : "Group"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-Group"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "definitional | enumerated",
      "definition" : "Basis for membership in the Group:\n\n* 'definitional': The Group.characteristics specified are both necessary and sufficient to determine membership. All entities that meet the criteria are considered to be members of the group, whether referenced by the group or not. If members are present, they are individuals that happen to be known as meeting the Group.characteristics. The list cannot be presumed to be complete.\n* 'enumerated': The Group.characteristics are necessary but not sufficient to determine membership. Membership is determined by being listed as one of the Group.member.",
      "requirements" : "There are use-cases for groups that define specific collections of individuals, and other groups that define \"types\" of intended individuals.  The requirements for both kinds of groups are similar, so we use a single resource, distinguished by this element.",
      "min" : 1,
      "max" : "1",
      "isModifier" : false
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "code"
      }],
      "binding" : {
        "strength" : "required",
        "description" : "The basis for membership in a group",
        "valueSet" : "http://hl7.org/fhir/ValueSet/group-membership-basis|5.0.0"
      }
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-Group.membership"
    }]
  }
}