Clinical Practice Guidelines
2.0.0 - STU2 International flag

Clinical Practice Guidelines, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cqf-recommendations/ and changes regularly. See the Directory of published versions

Resource Profile: CPG Group

Official URL: http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-group Version: 2.0.0
Active as of 2026-04-29 Computable Name: CPGGroup
Other Identifiers: OID:2.16.840.1.113883.4.642.40.48.42.67

Defines an actual group of subjects, suitable for use in various contexts, such as a enrollment in a pathway or participant in a study

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Group C 0..* Group Group of multiple entities
Constraints: grp-1
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 0..* Identifier Unique id
... type SΣ 1..1 code person | animal | practitioner | device | medication | substance
Binding: GroupType (required): Types of resources that are part of group.
Fixed Value: person
... actual SΣC 1..1 boolean Descriptive or actual
Fixed Value: true
... code SΣ 0..1 CodeableConcept Kind of Group members
Binding Description: (example): Kind of particular resource; e.g. cow, syringe, lake, etc.
... name SΣ 1..1 string Label for Group
... member SC 0..* BackboneElement Who or what is in group
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... entity S 1..1 Reference(CPG Patient) Reference to the group member
.... period S 0..1 Period Period member belonged to the group
.... inactive S 0..1 boolean If member is no longer in group

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Group.type Base required GroupType 📍4.0.1 FHIR Std.
Group.code Base example Not State Unknown
Group.characteristic.​code Base example Not State Unknown
Group.characteristic.​value[x] Base example Not State Unknown

Constraints

Id Grade Path(s) Description Expression
dom-2 error Group If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Group If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Group If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Group If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Group A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
grp-1 error Group Can only have members if group is "actual" member.empty() or (actual = true)

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Group 0..* Group Group of multiple entities
... identifier S 0..* Identifier Unique id
... active S 0..1 boolean Whether this group's record is in active use
... type S 1..1 code person | animal | practitioner | device | medication | substance
Fixed Value: person
... code S 0..1 CodeableConcept Kind of Group members
... name S 1..1 string Label for Group
... characteristic 0..0 Include / Exclude group members by Trait
... member S 0..* BackboneElement Who or what is in group
.... entity S 1..1 Reference(CPG Patient) Reference to the group member
.... period S 0..1 Period Period member belonged to the group
.... inactive S 0..1 boolean If member is no longer in group

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Group C 0..* Group Group of multiple entities
Constraints: grp-1
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 0..* Identifier Unique id
... active SΣ 0..1 boolean Whether this group's record is in active use
... type SΣ 1..1 code person | animal | practitioner | device | medication | substance
Binding: GroupType (required): Types of resources that are part of group.
Fixed Value: person
... actual SΣC 1..1 boolean Descriptive or actual
Fixed Value: true
... code SΣ 0..1 CodeableConcept Kind of Group members
Binding Description: (example): Kind of particular resource; e.g. cow, syringe, lake, etc.
... name SΣ 1..1 string Label for Group
... quantity Σ 0..1 unsignedInt Number of members
... managingEntity Σ 0..1 Reference(Organization | RelatedPerson | Practitioner | PractitionerRole) Entity that is the custodian of the Group's definition
... member SC 0..* BackboneElement Who or what is in group
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... entity S 1..1 Reference(CPG Patient) Reference to the group member
.... period S 0..1 Period Period member belonged to the group
.... inactive S 0..1 boolean If member is no longer in group

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Group.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Group.type Base required GroupType 📍4.0.1 FHIR Std.
Group.code Base example Not State Unknown
Group.characteristic.​code Base example Not State Unknown
Group.characteristic.​value[x] Base example Not State Unknown

Constraints

Id Grade Path(s) Description Expression
dom-2 error Group If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Group If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Group If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Group If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Group A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
grp-1 error Group Can only have members if group is "actual" member.empty() or (actual = true)

Summary

Mandatory: 1 element
Must-Support: 10 elements
Fixed: 2 elements
Prohibited: 1 element

Structures

This structure refers to these other structures:

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Group C 0..* Group Group of multiple entities
Constraints: grp-1
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 0..* Identifier Unique id
... type SΣ 1..1 code person | animal | practitioner | device | medication | substance
Binding: GroupType (required): Types of resources that are part of group.
Fixed Value: person
... actual SΣC 1..1 boolean Descriptive or actual
Fixed Value: true
... code SΣ 0..1 CodeableConcept Kind of Group members
Binding Description: (example): Kind of particular resource; e.g. cow, syringe, lake, etc.
... name SΣ 1..1 string Label for Group
... member SC 0..* BackboneElement Who or what is in group
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... entity S 1..1 Reference(CPG Patient) Reference to the group member
.... period S 0..1 Period Period member belonged to the group
.... inactive S 0..1 boolean If member is no longer in group

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Group.type Base required GroupType 📍4.0.1 FHIR Std.
Group.code Base example Not State Unknown
Group.characteristic.​code Base example Not State Unknown
Group.characteristic.​value[x] Base example Not State Unknown

Constraints

Id Grade Path(s) Description Expression
dom-2 error Group If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Group If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Group If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Group If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Group A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
grp-1 error Group Can only have members if group is "actual" member.empty() or (actual = true)

Differential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Group 0..* Group Group of multiple entities
... identifier S 0..* Identifier Unique id
... active S 0..1 boolean Whether this group's record is in active use
... type S 1..1 code person | animal | practitioner | device | medication | substance
Fixed Value: person
... code S 0..1 CodeableConcept Kind of Group members
... name S 1..1 string Label for Group
... characteristic 0..0 Include / Exclude group members by Trait
... member S 0..* BackboneElement Who or what is in group
.... entity S 1..1 Reference(CPG Patient) Reference to the group member
.... period S 0..1 Period Period member belonged to the group
.... inactive S 0..1 boolean If member is no longer in group

doco Documentation for this format

Snapshot ViewView

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Group C 0..* Group Group of multiple entities
Constraints: grp-1
... id Σ 0..1 id Logical id of this artifact
... meta Σ 0..1 Meta Metadata about the resource
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
... text 0..1 Narrative Text summary of the resource, for human interpretation
This profile does not constrain the narrative in regard to content, language, or traceability to data elements
... contained 0..* Resource Contained, inline Resources
... extension 0..* Extension Additional content defined by implementations
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
... identifier SΣ 0..* Identifier Unique id
... active SΣ 0..1 boolean Whether this group's record is in active use
... type SΣ 1..1 code person | animal | practitioner | device | medication | substance
Binding: GroupType (required): Types of resources that are part of group.
Fixed Value: person
... actual SΣC 1..1 boolean Descriptive or actual
Fixed Value: true
... code SΣ 0..1 CodeableConcept Kind of Group members
Binding Description: (example): Kind of particular resource; e.g. cow, syringe, lake, etc.
... name SΣ 1..1 string Label for Group
... quantity Σ 0..1 unsignedInt Number of members
... managingEntity Σ 0..1 Reference(Organization | RelatedPerson | Practitioner | PractitionerRole) Entity that is the custodian of the Group's definition
... member SC 0..* BackboneElement Who or what is in group
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... entity S 1..1 Reference(CPG Patient) Reference to the group member
.... period S 0..1 Period Period member belonged to the group
.... inactive S 0..1 boolean If member is no longer in group

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Group.language Base preferred Common Languages 📍4.0.1 FHIR Std.
Group.type Base required GroupType 📍4.0.1 FHIR Std.
Group.code Base example Not State Unknown
Group.characteristic.​code Base example Not State Unknown
Group.characteristic.​value[x] Base example Not State Unknown

Constraints

Id Grade Path(s) Description Expression
dom-2 error Group If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Group If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Group If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5 error Group If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Group A resource should have narrative for robust management text.`div`.exists()
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()
grp-1 error Group Can only have members if group is "actual" member.empty() or (actual = true)

Summary

Mandatory: 1 element
Must-Support: 10 elements
Fixed: 2 elements
Prohibited: 1 element

Structures

This structure refers to these other structures:

 

Other representations of profile: CSV, Excel, Schematron