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5.8 Resource Group - Content

Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively and are not formally or legally recognized. I.e. A collection of entities that isn't an Organization.

5.8.1 Scope and Usage

5.8.1.1 Use Cases

The group resource is used in one of two ways:

  1. To define a group of specific people, animals, devices, etc. that is being tracked, examined or otherwise referenced as part of healthcare-related activities
  2. To define a set of *possible* people, animals, devices, etc. that are of interest for some intended future healthcare-related activities

Examples of the former could include group therapy or treatment sessions, exposed entities tracked as part of public health, etc. The latter might be used to define expected subjects for a clinical study.

Both use cases are handled by a single resource because the data elements captured tend to be similar.

5.8.2 Boundaries and Relationships

There are 2 resources that provide for constructing collections of other resources:

5.8.3 Resource Content

Group (Resource)A unique business identifier for this groupidentifier : Identifier 0..1Identifies the broad classification of the kind of resources the group includestype : code 1..1 <<Types of resources that are part of groupGroupType>>If true, indicates that the resource refers to a specific group of real individuals. If false, the group defines a set of intended individualsactual : boolean 1..1Provides a specific type of resource the group includes. E.g. "cow", "syringe", etccode : CodeableConcept 0..1A label assigned to the group for human identification and communicationname : string 0..1A count of the number of resource instances that are part of the groupquantity : integer 0..1Identifies the resource instances that are members of the groupmember : Resource(Patient|Practitioner|Device| Medication|Substance) 0..*CharacteristicA code that identifies the kind of trait being assertedcode : CodeableConcept 1..1The value of the trait that holds (or does not hold - see 'exclude') for members of the groupvalue[x] : CodeableConcept|boolean|Quantity|Range 1..1If true, indicates the characteristic is one that is NOT held by members of the group (this element modifies the meaning of other elements)exclude : boolean 1..1Identifies the traits shared by members of the groupcharacteristic0..*

This resource is referenced by Composition, DiagnosticOrder, DiagnosticReport, DocumentManifest, DocumentReference, List, Media, Observation and Specimen

<Group xmlns="http://hl7.org/fhir"> doco
 <!-- from Resource: extension, modifierExtension, language, text, and contained -->
 <identifier><!-- 0..1 Identifier Unique id § --></identifier>
 <type value="[code]"/><!-- 1..1 person | animal | practitioner | device | medication | substance § -->
 <actual value="[boolean]"/><!-- ?? 1..1 Descriptive or actual § -->
 <code><!-- 0..1 CodeableConcept Kind of Group members § --></code>
 <name value="[string]"/><!-- 0..1 Label for Group § -->
 <quantity value="[integer]"/><!-- 0..1 Number of members § -->
 <characteristic>  <!-- 0..* Trait of group members -->
  <code><!-- 1..1 CodeableConcept Kind of characteristic --></code>
  <value[x]><!-- 1..1 CodeableConcept|boolean|Quantity|Range Value held by characteristic --></value[x]>
  <exclude value="[boolean]"/><!-- 1..1 Group includes or excludes -->
 </characteristic>
 <member><!-- ?? 0..* Resource(Patient|Practitioner|Device|Medication|Substance) Who is in group --></member>
</Group>

Alternate definitions: Schema/Schematron, Resource Profile

5.8.3.1 Terminology Bindings

PathDefinitionTypeReference
Group.type Types of resources that are part of groupFixedhttp://hl7.org/fhir/group-type
Group.code Kind of particular resource. E.g. cow, syringe, lake, etc.UnknownNo details provided yet
Group.characteristic.code List of characteristics used to describe group members. E.g. gender, age, owner, location, etc.UnknownNo details provided yet
Group.characteristic.value[x] Value of descriptive member characteristic. E.g. red, male, pneumonia, caucasian, etc.UnknownNo details provided yet

5.8.3.2 Constraints

5.8.4 Search Parameters

Search parameters for this resource. The standard parameters also apply. See Searching for more information about searching in REST, messaging, and services.

NameTypeDescriptionPaths
_idtokenThe logical resource id associated with the resource (must be supported by all servers)
_languagetokenThe language of the resource
actualtokenDescriptive or actualGroup.actual
characteristictokenKind of characteristicGroup.characteristic.code
characteristic-valuecompositeA composite of both characteristic and value
codetokenThe kind of resources containedGroup.code
excludetokenGroup includes or excludesGroup.characteristic.exclude
identifiertokenUnique idGroup.identifier
memberreferenceWho is in groupGroup.member
(Medication, Device, Patient, Substance, Practitioner)
typetokenThe type of resources the group containsGroup.type
valuetokenValue held by characteristicGroup.characteristic.value[x]

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