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

Logical Model: Witness And Notary Section

Official URL: http://hl7.org/cda/us/adi/StructureDefinition/WitnessAndNotarySection Version: 0.1.0
Draft as of 2026-03-14 Computable Name: Witness_And_Notary_Section

This section contains the person's signature information with Witness and Notary information.

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 Section

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section Section XML Namespace: urn:hl7-org:v3
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... templateId 1..* II
.... @root 1..1 oid, uuid, ruid Required Pattern: 2.16.840.1.113883.4.823.1.3.9
.... @extension 1..1 st Required Pattern: 2026-08-28
... code 1..1 CE Witness And Notary Section
.... @code 1..1 cs Required Pattern: 81339-4
.... @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 Witness and Notary

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. 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
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Required Pattern: 2.16.840.1.113883.4.823.1.3.9
.... @extension 1..1 st Required Pattern: 2026-08-28
... @ID 0..1 xs:ID Can serve as a target of a linkHtml reference
... @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 Unique instance identifier of a particular document section
... code 1..1 CE Witness And Notary Section
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @code 1..1 cs Required Pattern: 81339-4
.... @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 Witness and Notary
... text 0..1 xhtml Rendering of Person's signature with Witness and Notary information and signatures
... confidentialityCode 0..1 CE Controls the disclosure of information in this section
... languageCode 0..1 CS Human language of character data
Binding: AllLanguages (required)
... subject 0..1 Subject Primary target of the entries recorded in a section
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot Used to nest a Section within a Section
.... @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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.templateId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.classCode Base required ActClassRecordOrganizer 📍3.0.0 THO v7.0
Section.moodCode Base required CDAActMood 📦2.0.2-sd Clinical Document Architecture v2.0
Section.code.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0

Constraints

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()
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. 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
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Required Pattern: 2.16.840.1.113883.4.823.1.3.9
.... @extension 1..1 st Required Pattern: 2026-08-28
... @ID 0..1 xs:ID Can serve as a target of a linkHtml reference
... @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 Unique instance identifier of a particular document section
... code 1..1 CE Witness And Notary Section
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @code 1..1 cs Required Pattern: 81339-4
.... @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 Witness and Notary
... text 0..1 xhtml Rendering of Person's signature with Witness and Notary information and signatures
... confidentialityCode 0..1 CE Controls the disclosure of information in this section
... languageCode 0..1 CS Human language of character data
Binding: AllLanguages (required)
... subject 0..1 Subject Primary target of the entries recorded in a section
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot Used to nest a Section within a Section
.... @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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.templateId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.classCode Base required ActClassRecordOrganizer 📍3.0.0 THO v7.0
Section.moodCode Base required CDAActMood 📦2.0.2-sd Clinical Document Architecture v2.0
Section.code.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0

Constraints

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

Summary

Mandatory: 7 elements

Differential View

This structure is derived from Section

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Section Section XML Namespace: urn:hl7-org:v3
Instance of this type are validated by templateId
Logical Container: ClinicalDocument (CDA Class)
... templateId 1..* II
.... @root 1..1 oid, uuid, ruid Required Pattern: 2.16.840.1.113883.4.823.1.3.9
.... @extension 1..1 st Required Pattern: 2026-08-28
... code 1..1 CE Witness And Notary Section
.... @code 1..1 cs Required Pattern: 81339-4
.... @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 Witness and Notary

doco Documentation for this format

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. 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
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Required Pattern: 2.16.840.1.113883.4.823.1.3.9
.... @extension 1..1 st Required Pattern: 2026-08-28
... @ID 0..1 xs:ID Can serve as a target of a linkHtml reference
... @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 Unique instance identifier of a particular document section
... code 1..1 CE Witness And Notary Section
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @code 1..1 cs Required Pattern: 81339-4
.... @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 Witness and Notary
... text 0..1 xhtml Rendering of Person's signature with Witness and Notary information and signatures
... confidentialityCode 0..1 CE Controls the disclosure of information in this section
... languageCode 0..1 CS Human language of character data
Binding: AllLanguages (required)
... subject 0..1 Subject Primary target of the entries recorded in a section
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot Used to nest a Section within a Section
.... @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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.templateId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.classCode Base required ActClassRecordOrganizer 📍3.0.0 THO v7.0
Section.moodCode Base required CDAActMood 📦2.0.2-sd Clinical Document Architecture v2.0
Section.code.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0

Constraints

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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. 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
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @assigningAuthorityName 0..1 st
.... @displayable 0..1 bl
.... @root 1..1 oid, uuid, ruid Required Pattern: 2.16.840.1.113883.4.823.1.3.9
.... @extension 1..1 st Required Pattern: 2026-08-28
... @ID 0..1 xs:ID Can serve as a target of a linkHtml reference
... @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 Unique instance identifier of a particular document section
... code 1..1 CE Witness And Notary Section
.... @nullFlavor 0..1 cs Binding: CDANullFlavor (required)
.... @code 1..1 cs Required Pattern: 81339-4
.... @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 Witness and Notary
... text 0..1 xhtml Rendering of Person's signature with Witness and Notary information and signatures
... confidentialityCode 0..1 CE Controls the disclosure of information in this section
... languageCode 0..1 CS Human language of character data
Binding: AllLanguages (required)
... subject 0..1 Subject Primary target of the entries recorded in a section
... author 0..* Author
... informant 0..* Informant
... entry 0..* Entry
... component 0..* InfrastructureRoot Used to nest a Section within a Section
.... @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

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Section.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.typeId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.templateId.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.classCode Base required ActClassRecordOrganizer 📍3.0.0 THO v7.0
Section.moodCode Base required CDAActMood 📦2.0.2-sd Clinical Document Architecture v2.0
Section.code.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.languageCode Base required All Languages 📦5.0.0 FHIR Std.
Section.component.nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0
Section.component.typeId.​nullFlavor Base required CDANullFlavor 📦2.0.2-sd Clinical Document Architecture v2.0

Constraints

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

Summary

Mandatory: 7 elements

 

Other representations of profile: CSV, Excel