Clinical Document Architecture with Australian Schema
1.0.1 - active
Clinical Document Architecture with Australian Schema, published by Australian Digital Health Agency. This guide is not an authorized publication; it is the continuous build for version 1.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/AuDigitalHealth/cda-au-schema/ and changes regularly. See the Directory of published versions
| Official URL: http://hl7.org/cda/stds/core/StructureDefinition/Informant | Version: 1.0.1 | |||
| Active as of 2025-10-09 | Maturity Level: 1 | Responsible: HL7 | 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
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Informant |
C | 1..1 | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId 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 | ||
| templateId |
0..* | II | ||
| @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 | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Informant.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeId.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeCode | Base | required | CDAParticipationType | 📦1.0.1 | This IG |
| Informant.contextControlCode | Base | required | CDAContextControl | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Informant.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
| informant-entity | error | Informant | AssignedEntity and RelatedEntity are mutually exclusive (one must be present) |
(assignedEntity | relatedEntity).count() = 1
|
This structure is derived from InfrastructureRoot
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Informant |
C | 1..1 | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId 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 | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Informant.typeCode | Base | required | CDAParticipationType | 📦1.0.1 | This IG |
| Informant.contextControlCode | Base | required | CDAContextControl | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| informant-entity | error | Informant | AssignedEntity and RelatedEntity are mutually exclusive (one must be present) |
(assignedEntity | relatedEntity).count() = 1
|
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Informant |
C | 1..1 | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId 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 | ||
| templateId |
0..* | II | ||
| @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 | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Informant.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeId.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeCode | Base | required | CDAParticipationType | 📦1.0.1 | This IG |
| Informant.contextControlCode | Base | required | CDAContextControl | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Informant.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
| informant-entity | error | Informant | AssignedEntity and RelatedEntity are mutually exclusive (one must be present) |
(assignedEntity | relatedEntity).count() = 1
|
This structure is derived from InfrastructureRoot
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Informant |
C | 1..1 | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId 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 | ||
| templateId |
0..* | II | ||
| @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 | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Informant.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeId.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeCode | Base | required | CDAParticipationType | 📦1.0.1 | This IG |
| Informant.contextControlCode | Base | required | CDAContextControl | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Informant.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
| informant-entity | error | Informant | AssignedEntity and RelatedEntity are mutually exclusive (one must be present) |
(assignedEntity | relatedEntity).count() = 1
|
Differential View
This structure is derived from InfrastructureRoot
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Informant |
C | 1..1 | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId 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 | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Informant.typeCode | Base | required | CDAParticipationType | 📦1.0.1 | This IG |
| Informant.contextControlCode | Base | required | CDAContextControl | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| informant-entity | error | Informant | AssignedEntity and RelatedEntity are mutually exclusive (one must be present) |
(assignedEntity | relatedEntity).count() = 1
|
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Informant |
C | 1..1 | InfrastructureRoot | XML Namespace: urn:hl7-org:v3 Base for all types and resources Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId 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 | ||
| templateId |
0..* | II | ||
| @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 | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Informant.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeId.nullFlavor | Base | required | CDANullFlavor | 📦1.0.1 | This IG |
| Informant.typeCode | Base | required | CDAParticipationType | 📦1.0.1 | This IG |
| Informant.contextControlCode | Base | required | CDAContextControl | 📦1.0.1 | This IG |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Informant.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
| informant-entity | error | Informant | AssignedEntity and RelatedEntity are mutually exclusive (one must be present) |
(assignedEntity | relatedEntity).count() = 1
|
This structure is derived from InfrastructureRoot
IG © 2024+ Australian Digital Health Agency. Package au.digitalhealth.cda.schema#1.0.1 based on FHIR 5.0.0. Generated 2025-10-09
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