Advance Healthcare Directive Interoperability (cda-adi)
0.1.0 - ci-build
Advance Healthcare Directive Interoperability (cda-adi)
0.1.0 - ci-build
Advance Healthcare Directive Interoperability (cda-adi), published by Health Level Seven. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cda-adi/ and changes regularly. See the Directory of published versions
| Official URL: http://hl7.org/cda/us/adi/StructureDefinition/Additional.Documentation.Section | Version: 0.1.0 | |||
| Draft as of 2026-02-01 | Computable Name: Additional_Documentation_Section | |||
This section contains information about additional relevant advance healthcare directive documents.
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Template, Differentials, Snapshots and how the different presentations work.
This structure is derived from Section
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Section |
1..1 | Section | XML Namespace: urn:hl7-org:v3 Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) | |
 templateId |
1..* | II | ||
  @root |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.4.823.1.3.8 | |
  @extension |
1..1 | st | Required Pattern: 2026-08-28 | |
| code |
1..1 | CE | Additional Documentation Section | |
| @code |
1..1 | cs | Required Pattern: 77599-9 | |
| @codeSystem |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.6.1 | |
| @codeSystemName |
0..1 | st | Required Pattern: LOINC | |
| title |
1..1 | ST | Additional Documentation | |
| text |
0..1 | xhtml | Rendering of information about additional relevant documents | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Section |
1..1 | Section | XML Namespace: urn:hl7-org:v3 Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) | |
 @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 |
1..* | II | ||
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @assigningAuthorityName |
0..1 | st | ||
| @displayable |
0..1 | bl | ||
| @root |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.4.823.1.3.8 | |
| @extension |
1..1 | st | Required Pattern: 2026-08-28 | |
| @ID |
0..1 | xs:ID | ||
| @classCode |
0..1 | cs | Binding: ActClassRecordOrganizer (3.0.0) (required) Fixed Value: DOCSECT | |
| @moodCode |
0..1 | cs | Binding: CDAActMood (required) Fixed Value: EVN | |
| id |
0..1 | II | ||
| code |
1..1 | CE | Additional Documentation Section | |
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @code |
1..1 | cs | Required Pattern: 77599-9 | |
| @codeSystem |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.6.1 | |
| @codeSystemName |
0..1 | st | Required Pattern: LOINC | |
| @codeSystemVersion |
0..1 | st | ||
| @displayName |
0..1 | st | ||
| @sdtcValueSet |
0..1 | oid | XML Namespace: urn:hl7-org:sdtc XML: valueSet (urn:hl7-org:sdtc) | |
| @sdtcValueSetVersion |
0..1 | st | XML Namespace: urn:hl7-org:sdtc XML: valueSetVersion (urn:hl7-org:sdtc) | |
| originalText |
0..1 | ED | ||
| translation |
0..* | CD | ||
| title |
1..1 | ST | Additional Documentation | |
| text |
0..1 | xhtml | Rendering of information about additional relevant documents | |
| confidentialityCode |
0..1 | CE | ||
| languageCode |
0..1 | CS | Binding: AllLanguages (required) | |
| subject |
0..1 | Subject | ||
| author |
0..* | Author | ||
| informant |
0..* | Informant | ||
| entry |
0..* | Entry | ||
 component |
0..* | InfrastructureRoot | ||
 @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 | Fixed Value: COMP | |
| @contextConductionInd |
0..1 | bl | Fixed Value: true | |
| section |
1..1 | Section | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Section.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.templateId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.classCode | Base | required | ActClassRecordOrganizer | 📍3.0.0 | THO v6.5 |
| Section.moodCode | Base | required | CDAActMood | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.code.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.languageCode | Base | required | All Languages | 📦5.0.0 | FHIR Std. |
| Section.component.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.component.typeId.​nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Section.typeId, Section.component.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Section |
1..1 | Section | XML Namespace: urn:hl7-org:v3 Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) | |
| @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 |
1..* | II | ||
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @assigningAuthorityName |
0..1 | st | ||
| @displayable |
0..1 | bl | ||
| @root |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.4.823.1.3.8 | |
| @extension |
1..1 | st | Required Pattern: 2026-08-28 | |
| @ID |
0..1 | xs:ID | ||
| @classCode |
0..1 | cs | Binding: ActClassRecordOrganizer (3.0.0) (required) Fixed Value: DOCSECT | |
| @moodCode |
0..1 | cs | Binding: CDAActMood (required) Fixed Value: EVN | |
| id |
0..1 | II | ||
| code |
1..1 | CE | Additional Documentation Section | |
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @code |
1..1 | cs | Required Pattern: 77599-9 | |
| @codeSystem |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.6.1 | |
| @codeSystemName |
0..1 | st | Required Pattern: LOINC | |
| @codeSystemVersion |
0..1 | st | ||
| @displayName |
0..1 | st | ||
| @sdtcValueSet |
0..1 | oid | XML Namespace: urn:hl7-org:sdtc XML: valueSet (urn:hl7-org:sdtc) | |
| @sdtcValueSetVersion |
0..1 | st | XML Namespace: urn:hl7-org:sdtc XML: valueSetVersion (urn:hl7-org:sdtc) | |
| originalText |
0..1 | ED | ||
| translation |
0..* | CD | ||
| title |
1..1 | ST | Additional Documentation | |
| text |
0..1 | xhtml | Rendering of information about additional relevant documents | |
| confidentialityCode |
0..1 | CE | ||
| languageCode |
0..1 | CS | Binding: AllLanguages (required) | |
| subject |
0..1 | Subject | ||
| author |
0..* | Author | ||
| informant |
0..* | Informant | ||
| entry |
0..* | Entry | ||
| component |
0..* | InfrastructureRoot | ||
| @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 | Fixed Value: COMP | |
| @contextConductionInd |
0..1 | bl | Fixed Value: true | |
| section |
1..1 | Section | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Section.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.templateId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.classCode | Base | required | ActClassRecordOrganizer | 📍3.0.0 | THO v6.5 |
| Section.moodCode | Base | required | CDAActMood | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.code.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.languageCode | Base | required | All Languages | 📦5.0.0 | FHIR Std. |
| Section.component.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.component.typeId.​nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Section.typeId, Section.component.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
This structure is derived from Section
Differential View
This structure is derived from Section
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Section |
1..1 | Section | XML Namespace: urn:hl7-org:v3 Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) | |
| templateId |
1..* | II | ||
| @root |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.4.823.1.3.8 | |
| @extension |
1..1 | st | Required Pattern: 2026-08-28 | |
| code |
1..1 | CE | Additional Documentation Section | |
| @code |
1..1 | cs | Required Pattern: 77599-9 | |
| @codeSystem |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.6.1 | |
| @codeSystemName |
0..1 | st | Required Pattern: LOINC | |
| title |
1..1 | ST | Additional Documentation | |
| text |
0..1 | xhtml | Rendering of information about additional relevant documents | |
| Documentation for this format | ||||
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Section |
1..1 | Section | XML Namespace: urn:hl7-org:v3 Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) | |
| @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 |
1..* | II | ||
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @assigningAuthorityName |
0..1 | st | ||
| @displayable |
0..1 | bl | ||
| @root |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.4.823.1.3.8 | |
| @extension |
1..1 | st | Required Pattern: 2026-08-28 | |
| @ID |
0..1 | xs:ID | ||
| @classCode |
0..1 | cs | Binding: ActClassRecordOrganizer (3.0.0) (required) Fixed Value: DOCSECT | |
| @moodCode |
0..1 | cs | Binding: CDAActMood (required) Fixed Value: EVN | |
| id |
0..1 | II | ||
| code |
1..1 | CE | Additional Documentation Section | |
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @code |
1..1 | cs | Required Pattern: 77599-9 | |
| @codeSystem |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.6.1 | |
| @codeSystemName |
0..1 | st | Required Pattern: LOINC | |
| @codeSystemVersion |
0..1 | st | ||
| @displayName |
0..1 | st | ||
| @sdtcValueSet |
0..1 | oid | XML Namespace: urn:hl7-org:sdtc XML: valueSet (urn:hl7-org:sdtc) | |
| @sdtcValueSetVersion |
0..1 | st | XML Namespace: urn:hl7-org:sdtc XML: valueSetVersion (urn:hl7-org:sdtc) | |
| originalText |
0..1 | ED | ||
| translation |
0..* | CD | ||
| title |
1..1 | ST | Additional Documentation | |
| text |
0..1 | xhtml | Rendering of information about additional relevant documents | |
| confidentialityCode |
0..1 | CE | ||
| languageCode |
0..1 | CS | Binding: AllLanguages (required) | |
| subject |
0..1 | Subject | ||
| author |
0..* | Author | ||
| informant |
0..* | Informant | ||
| entry |
0..* | Entry | ||
| component |
0..* | InfrastructureRoot | ||
| @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 | Fixed Value: COMP | |
| @contextConductionInd |
0..1 | bl | Fixed Value: true | |
| section |
1..1 | Section | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Section.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.templateId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.classCode | Base | required | ActClassRecordOrganizer | 📍3.0.0 | THO v6.5 |
| Section.moodCode | Base | required | CDAActMood | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.code.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.languageCode | Base | required | All Languages | 📦5.0.0 | FHIR Std. |
| Section.component.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.component.typeId.​nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Section.typeId, Section.component.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Section |
1..1 | Section | XML Namespace: urn:hl7-org:v3 Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) | |
| @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 |
1..* | II | ||
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @assigningAuthorityName |
0..1 | st | ||
| @displayable |
0..1 | bl | ||
| @root |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.4.823.1.3.8 | |
| @extension |
1..1 | st | Required Pattern: 2026-08-28 | |
| @ID |
0..1 | xs:ID | ||
| @classCode |
0..1 | cs | Binding: ActClassRecordOrganizer (3.0.0) (required) Fixed Value: DOCSECT | |
| @moodCode |
0..1 | cs | Binding: CDAActMood (required) Fixed Value: EVN | |
| id |
0..1 | II | ||
| code |
1..1 | CE | Additional Documentation Section | |
| @nullFlavor |
0..1 | cs | Binding: CDANullFlavor (required) | |
| @code |
1..1 | cs | Required Pattern: 77599-9 | |
| @codeSystem |
1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.6.1 | |
| @codeSystemName |
0..1 | st | Required Pattern: LOINC | |
| @codeSystemVersion |
0..1 | st | ||
| @displayName |
0..1 | st | ||
| @sdtcValueSet |
0..1 | oid | XML Namespace: urn:hl7-org:sdtc XML: valueSet (urn:hl7-org:sdtc) | |
| @sdtcValueSetVersion |
0..1 | st | XML Namespace: urn:hl7-org:sdtc XML: valueSetVersion (urn:hl7-org:sdtc) | |
| originalText |
0..1 | ED | ||
| translation |
0..* | CD | ||
| title |
1..1 | ST | Additional Documentation | |
| text |
0..1 | xhtml | Rendering of information about additional relevant documents | |
| confidentialityCode |
0..1 | CE | ||
| languageCode |
0..1 | CS | Binding: AllLanguages (required) | |
| subject |
0..1 | Subject | ||
| author |
0..* | Author | ||
| informant |
0..* | Informant | ||
| entry |
0..* | Entry | ||
| component |
0..* | InfrastructureRoot | ||
| @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 | Fixed Value: COMP | |
| @contextConductionInd |
0..1 | bl | Fixed Value: true | |
| section |
1..1 | Section | ||
| Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Section.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.typeId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.templateId.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.classCode | Base | required | ActClassRecordOrganizer | 📍3.0.0 | THO v6.5 |
| Section.moodCode | Base | required | CDAActMood | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.code.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.languageCode | Base | required | All Languages | 📦5.0.0 | FHIR Std. |
| Section.component.nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Section.component.typeId.​nullFlavor | Base | required | CDANullFlavor | 📦2.0.1-sd | Clinical Document Architecture v2.0 |
| Id | Grade | Path(s) | Description | Expression |
| II-1 | error | Section.typeId, Section.component.typeId | An II instance must have either a root or an nullFlavor. |
root.exists() or nullFlavor.exists()
|
This structure is derived from Section
IG © 2025+ Health Level Seven. Package hl7.cda.us.adi#0.1.0 based on FHIR 5.0.0. Generated 2026-02-01
Links: Table of Contents |
QA Report
| Version History 
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