Clinical Document Architecture
2.0.1-sd - release

Clinical Document Architecture, published by Health Level 7. This guide is not an authorized publication; it is the continuous build for version 2.0.1-sd built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/CDA-core-sd/ and changes regularly. See the Directory of published versions

Logical Model: Informant (CDA Class)

Official URL: http://hl7.org/cda/stds/core/StructureDefinition/Informant Version: 2.0.1-sd
Active as of 2025-09-17 Computable Name: Informant

An informant (or source of information) is a person that provides relevant information, such as the parent of a comatose patient who describes the patient's behavior prior to the onset of coma.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Template Content

Description of Template, Differentials, Snapshots and how the different presentations work.

This structure is derived from InfrastructureRoot

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Informant C 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Base for all types and resources
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
Constraints: informant-entity
... @typeCode 0..1 cs Binding: CDAParticipationType (required)
Fixed Value: INF
... @contextControlCode 0..1 cs Binding: CDAContextControl (required)
Fixed Value: OP
... (Choice of one) 1..1
.... assignedEntity 0..1 AssignedEntity
.... relatedEntity 0..1 RelatedEntity

doco Documentation for this format

Terminology Bindings (Differential)

PathConformanceValueSet / CodeURI
Informant.typeCoderequiredFixed Value: INF
http://hl7.org/cda/stds/core/ValueSet/CDAParticipationType
From this IG
Informant.contextControlCoderequiredFixed Value: OP
http://hl7.org/cda/stds/core/ValueSet/CDAContextControl
From this IG

Constraints

IdGradePath(s)DetailsRequirements
informant-entityerrorInformantAssignedEntity and RelatedEntity are mutually exclusive (one must be present)
: (assignedEntity | relatedEntity).count() = 1
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Informant C 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Base for all types and resources
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
Constraints: informant-entity
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... realmCode 0..* CS
... typeId C 0..1 II Constraints: II-1
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Fixed Value: 2.16.840.1.113883.1.3
.... @extension 1..1 st
... @typeCode 0..1 cs Binding: CDAParticipationType (required)
Fixed Value: INF
... @contextControlCode 0..1 cs Binding: CDAContextControl (required)
Fixed Value: OP
... (Choice of one) 1..1
.... assignedEntity 0..1 AssignedEntity
.... relatedEntity 0..1 RelatedEntity

doco Documentation for this format

Terminology Bindings

PathConformanceValueSet / CodeURI
Informant.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeId.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeCoderequiredFixed Value: INF
http://hl7.org/cda/stds/core/ValueSet/CDAParticipationType
From this IG
Informant.contextControlCoderequiredFixed Value: OP
http://hl7.org/cda/stds/core/ValueSet/CDAContextControl
From this IG

Constraints

IdGradePath(s)DetailsRequirements
II-1errorInformant.typeIdAn II instance must have either a root or an nullFlavor.
: root.exists() or nullFlavor.exists()
informant-entityerrorInformantAssignedEntity and RelatedEntity are mutually exclusive (one must be present)
: (assignedEntity | relatedEntity).count() = 1
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Informant C 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Base for all types and resources
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
Constraints: informant-entity
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... realmCode 0..* CS
... typeId C 0..1 II Constraints: II-1
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Fixed Value: 2.16.840.1.113883.1.3
.... @extension 1..1 st
... @typeCode 0..1 cs Binding: CDAParticipationType (required)
Fixed Value: INF
... @contextControlCode 0..1 cs Binding: CDAContextControl (required)
Fixed Value: OP
... (Choice of one) 1..1
.... assignedEntity 0..1 AssignedEntity
.... relatedEntity 0..1 RelatedEntity

doco Documentation for this format

Terminology Bindings

PathConformanceValueSet / CodeURI
Informant.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeId.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeCoderequiredFixed Value: INF
http://hl7.org/cda/stds/core/ValueSet/CDAParticipationType
From this IG
Informant.contextControlCoderequiredFixed Value: OP
http://hl7.org/cda/stds/core/ValueSet/CDAContextControl
From this IG

Constraints

IdGradePath(s)DetailsRequirements
II-1errorInformant.typeIdAn II instance must have either a root or an nullFlavor.
: root.exists() or nullFlavor.exists()
informant-entityerrorInformantAssignedEntity and RelatedEntity are mutually exclusive (one must be present)
: (assignedEntity | relatedEntity).count() = 1

This structure is derived from InfrastructureRoot

Summary

Fixed: 2 elements

Structures

This structure refers to these other structures:

Differential View

This structure is derived from InfrastructureRoot

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Informant C 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Base for all types and resources
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
Constraints: informant-entity
... @typeCode 0..1 cs Binding: CDAParticipationType (required)
Fixed Value: INF
... @contextControlCode 0..1 cs Binding: CDAContextControl (required)
Fixed Value: OP
... (Choice of one) 1..1
.... assignedEntity 0..1 AssignedEntity
.... relatedEntity 0..1 RelatedEntity

doco Documentation for this format

Terminology Bindings (Differential)

PathConformanceValueSet / CodeURI
Informant.typeCoderequiredFixed Value: INF
http://hl7.org/cda/stds/core/ValueSet/CDAParticipationType
From this IG
Informant.contextControlCoderequiredFixed Value: OP
http://hl7.org/cda/stds/core/ValueSet/CDAContextControl
From this IG

Constraints

IdGradePath(s)DetailsRequirements
informant-entityerrorInformantAssignedEntity and RelatedEntity are mutually exclusive (one must be present)
: (assignedEntity | relatedEntity).count() = 1

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Informant C 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Base for all types and resources
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
Constraints: informant-entity
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... realmCode 0..* CS
... typeId C 0..1 II Constraints: II-1
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Fixed Value: 2.16.840.1.113883.1.3
.... @extension 1..1 st
... @typeCode 0..1 cs Binding: CDAParticipationType (required)
Fixed Value: INF
... @contextControlCode 0..1 cs Binding: CDAContextControl (required)
Fixed Value: OP
... (Choice of one) 1..1
.... assignedEntity 0..1 AssignedEntity
.... relatedEntity 0..1 RelatedEntity

doco Documentation for this format

Terminology Bindings

PathConformanceValueSet / CodeURI
Informant.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeId.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeCoderequiredFixed Value: INF
http://hl7.org/cda/stds/core/ValueSet/CDAParticipationType
From this IG
Informant.contextControlCoderequiredFixed Value: OP
http://hl7.org/cda/stds/core/ValueSet/CDAContextControl
From this IG

Constraints

IdGradePath(s)DetailsRequirements
II-1errorInformant.typeIdAn II instance must have either a root or an nullFlavor.
: root.exists() or nullFlavor.exists()
informant-entityerrorInformantAssignedEntity and RelatedEntity are mutually exclusive (one must be present)
: (assignedEntity | relatedEntity).count() = 1

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Informant C 1..1 InfrastructureRoot XML Namespace: urn:hl7-org:v3
Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId
Base for all types and resources
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
Constraints: informant-entity
... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
... realmCode 0..* CS
... typeId C 0..1 II Constraints: II-1
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Fixed Value: 2.16.840.1.113883.1.3
.... @extension 1..1 st
... @typeCode 0..1 cs Binding: CDAParticipationType (required)
Fixed Value: INF
... @contextControlCode 0..1 cs Binding: CDAContextControl (required)
Fixed Value: OP
... (Choice of one) 1..1
.... assignedEntity 0..1 AssignedEntity
.... relatedEntity 0..1 RelatedEntity

doco Documentation for this format

Terminology Bindings

PathConformanceValueSet / CodeURI
Informant.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeId.nullFlavorrequiredCDANullFlavor
http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor
From this IG
Informant.typeCoderequiredFixed Value: INF
http://hl7.org/cda/stds/core/ValueSet/CDAParticipationType
From this IG
Informant.contextControlCoderequiredFixed Value: OP
http://hl7.org/cda/stds/core/ValueSet/CDAContextControl
From this IG

Constraints

IdGradePath(s)DetailsRequirements
II-1errorInformant.typeIdAn II instance must have either a root or an nullFlavor.
: root.exists() or nullFlavor.exists()
informant-entityerrorInformantAssignedEntity and RelatedEntity are mutually exclusive (one must be present)
: (assignedEntity | relatedEntity).count() = 1

This structure is derived from InfrastructureRoot

Summary

Fixed: 2 elements

Structures

This structure refers to these other structures:

 

Other representations of profile: CSV, Excel