GDHCN Trust Network - Personal Health Wallet
0.1.0 - ci-build International flag

GDHCN Trust Network - Personal Health Wallet, published by WHO. 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/WorldHealthOrganization/smart-trust-phw/ and changes regularly. See the Directory of published versions

Logical Model: DVC

Official URL: http://smart.who.int/trust-phw/StructureDefinition/DVC Version: 0.1.0
Draft as of 2026-04-16 Computable Name: DVC

Data elements for Digital Vaccination Certificate.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. DVC C 0..* Base DVC
Instances of this logical model can be the target of a Reference
Constraints: nid-must-have-value
... name 1..1 string Name of the recipient of vaccine or prophylaxis
... dob 1..1 date Date of Birth
... sex 1..1 code Sex
Binding: http://hl7.org/fhir/administrative-gender (extensible)
... nid C 0..* Identifier National Identification Document, if applicable
Constraints: ident-1
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... type Σ 0..1 CodeableConcept Description of identifier
Binding: IdentifierTypeCodes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
.... system Σ 0..1 uri The namespace for the identifier value
Binding: hl7VS-identifierType (extensible)
Example General: http://www.acme.com/identifiers/patient
.... value ΣC 0..1 string The value that is unique
Example General: 123456
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... guardian 0..1 string Name of the parent or guardian. Required, if applicable
... disease 1..* Coding Name of disease or condition
Binding: http://id.who.int/icd/release/11/mms (extensible)
... integrityCheck 0..* BackboneElement Integrity check value
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... cryptographicSignature 1..1 string Cryptographic signature of the issuer
.... kid 1..1 string Key identifier for signature verification
... vaccineDetails 1..* DVCVaccineDetails Vaccine Details
... version 1..1 string Version
Fixed Value: 0.1.0

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
DVC.sex Base extensible http://hl7.org/fhir/administrative-gender Not State Unknown
DVC.nationality Base extensible Iso 3166 Part 1: 3 Letter Codes 📦5.0.0 FHIR Std.
DVC.nid.use Base required IdentifierUse 📍5.0.0 FHIR Std.
DVC.nid.type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
DVC.nid.system Base extensible hl7VS-identifierType 📦3.0.0 THO v7.1
DVC.disease Base extensible http://id.who.int/icd/release/11/mms Not State Unknown

Constraints

Id Grade Path(s) Description Expression
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()
ident-1 warning DVC.nid Identifier with no value has limited utility. If communicating that an identifier value has been suppressed or missing, the value element SHOULD be present with an extension indicating the missing semantic - e.g. data-absent-reason value.exists()
nid-must-have-value error DVC If National ID is present, it must have a value and a system nid.empty() or (nid.value.exists() and nid.system.exists())

This structure is derived from Base

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. DVC C 0..* Base DVC
Instances of this logical model can be the target of a Reference
Constraints: nid-must-have-value
... name 1..1 string Name of the recipient of vaccine or prophylaxis
... dob 1..1 date Date of Birth
... sex 1..1 code Sex
Binding: http://hl7.org/fhir/administrative-gender (extensible)
... nid 0..* Identifier National Identification Document, if applicable
.... system 0..1 uri The namespace for the identifier value
Binding: hl7VS-identifierType (extensible)
... guardian 0..1 string Name of the parent or guardian. Required, if applicable
... disease 1..* Coding Name of disease or condition
Binding: http://id.who.int/icd/release/11/mms (extensible)
... integrityCheck 0..* BackboneElement Integrity check value
.... cryptographicSignature 1..1 string Cryptographic signature of the issuer
.... kid 1..1 string Key identifier for signature verification
... vaccineDetails 1..* DVCVaccineDetails Vaccine Details
... version 1..1 string Version
Fixed Value: 0.1.0

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
DVC.sex Base extensible http://hl7.org/fhir/administrative-gender Not State Unknown
DVC.nationality Base extensible Iso 3166 Part 1: 3 Letter Codes 📦5.0.0 FHIR Std.
DVC.nid.system Base extensible hl7VS-identifierType 📦3.0.0 THO v7.1
DVC.disease Base extensible http://id.who.int/icd/release/11/mms Not State Unknown

Constraints

Id Grade Path(s) Description Expression
nid-must-have-value error DVC If National ID is present, it must have a value and a system nid.empty() or (nid.value.exists() and nid.system.exists())
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. DVC C 0..* Base DVC
Instances of this logical model can be the target of a Reference
Constraints: nid-must-have-value
... name 1..1 string Name of the recipient of vaccine or prophylaxis
... dob 1..1 date Date of Birth
... sex 1..1 code Sex
Binding: http://hl7.org/fhir/administrative-gender (extensible)
... nid C 0..* Identifier National Identification Document, if applicable
Constraints: ident-1
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... type Σ 0..1 CodeableConcept Description of identifier
Binding: IdentifierTypeCodes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
.... system Σ 0..1 uri The namespace for the identifier value
Binding: hl7VS-identifierType (extensible)
Example General: http://www.acme.com/identifiers/patient
.... value ΣC 0..1 string The value that is unique
Example General: 123456
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... guardian 0..1 string Name of the parent or guardian. Required, if applicable
... disease 1..* Coding Name of disease or condition
Binding: http://id.who.int/icd/release/11/mms (extensible)
... integrityCheck 0..* BackboneElement Integrity check value
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... cryptographicSignature 1..1 string Cryptographic signature of the issuer
.... kid 1..1 string Key identifier for signature verification
... vaccineDetails 1..* DVCVaccineDetails Vaccine Details
... version 1..1 string Version
Fixed Value: 0.1.0

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
DVC.sex Base extensible http://hl7.org/fhir/administrative-gender Not State Unknown
DVC.nationality Base extensible Iso 3166 Part 1: 3 Letter Codes 📦5.0.0 FHIR Std.
DVC.nid.use Base required IdentifierUse 📍5.0.0 FHIR Std.
DVC.nid.type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
DVC.nid.system Base extensible hl7VS-identifierType 📦3.0.0 THO v7.1
DVC.disease Base extensible http://id.who.int/icd/release/11/mms Not State Unknown

Constraints

Id Grade Path(s) Description Expression
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()
ident-1 warning DVC.nid Identifier with no value has limited utility. If communicating that an identifier value has been suppressed or missing, the value element SHOULD be present with an extension indicating the missing semantic - e.g. data-absent-reason value.exists()
nid-must-have-value error DVC If National ID is present, it must have a value and a system nid.empty() or (nid.value.exists() and nid.system.exists())

This structure is derived from Base

Summary

Mandatory: 0 element(9 nested mandatory elements)
Fixed: 1 element

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. DVC C 0..* Base DVC
Instances of this logical model can be the target of a Reference
Constraints: nid-must-have-value
... name 1..1 string Name of the recipient of vaccine or prophylaxis
... dob 1..1 date Date of Birth
... sex 1..1 code Sex
Binding: http://hl7.org/fhir/administrative-gender (extensible)
... nid C 0..* Identifier National Identification Document, if applicable
Constraints: ident-1
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... type Σ 0..1 CodeableConcept Description of identifier
Binding: IdentifierTypeCodes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
.... system Σ 0..1 uri The namespace for the identifier value
Binding: hl7VS-identifierType (extensible)
Example General: http://www.acme.com/identifiers/patient
.... value ΣC 0..1 string The value that is unique
Example General: 123456
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... guardian 0..1 string Name of the parent or guardian. Required, if applicable
... disease 1..* Coding Name of disease or condition
Binding: http://id.who.int/icd/release/11/mms (extensible)
... integrityCheck 0..* BackboneElement Integrity check value
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... cryptographicSignature 1..1 string Cryptographic signature of the issuer
.... kid 1..1 string Key identifier for signature verification
... vaccineDetails 1..* DVCVaccineDetails Vaccine Details
... version 1..1 string Version
Fixed Value: 0.1.0

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
DVC.sex Base extensible http://hl7.org/fhir/administrative-gender Not State Unknown
DVC.nationality Base extensible Iso 3166 Part 1: 3 Letter Codes 📦5.0.0 FHIR Std.
DVC.nid.use Base required IdentifierUse 📍5.0.0 FHIR Std.
DVC.nid.type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
DVC.nid.system Base extensible hl7VS-identifierType 📦3.0.0 THO v7.1
DVC.disease Base extensible http://id.who.int/icd/release/11/mms Not State Unknown

Constraints

Id Grade Path(s) Description Expression
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()
ident-1 warning DVC.nid Identifier with no value has limited utility. If communicating that an identifier value has been suppressed or missing, the value element SHOULD be present with an extension indicating the missing semantic - e.g. data-absent-reason value.exists()
nid-must-have-value error DVC If National ID is present, it must have a value and a system nid.empty() or (nid.value.exists() and nid.system.exists())

Differential View

This structure is derived from Base

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. DVC C 0..* Base DVC
Instances of this logical model can be the target of a Reference
Constraints: nid-must-have-value
... name 1..1 string Name of the recipient of vaccine or prophylaxis
... dob 1..1 date Date of Birth
... sex 1..1 code Sex
Binding: http://hl7.org/fhir/administrative-gender (extensible)
... nid 0..* Identifier National Identification Document, if applicable
.... system 0..1 uri The namespace for the identifier value
Binding: hl7VS-identifierType (extensible)
... guardian 0..1 string Name of the parent or guardian. Required, if applicable
... disease 1..* Coding Name of disease or condition
Binding: http://id.who.int/icd/release/11/mms (extensible)
... integrityCheck 0..* BackboneElement Integrity check value
.... cryptographicSignature 1..1 string Cryptographic signature of the issuer
.... kid 1..1 string Key identifier for signature verification
... vaccineDetails 1..* DVCVaccineDetails Vaccine Details
... version 1..1 string Version
Fixed Value: 0.1.0

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
DVC.sex Base extensible http://hl7.org/fhir/administrative-gender Not State Unknown
DVC.nationality Base extensible Iso 3166 Part 1: 3 Letter Codes 📦5.0.0 FHIR Std.
DVC.nid.system Base extensible hl7VS-identifierType 📦3.0.0 THO v7.1
DVC.disease Base extensible http://id.who.int/icd/release/11/mms Not State Unknown

Constraints

Id Grade Path(s) Description Expression
nid-must-have-value error DVC If National ID is present, it must have a value and a system nid.empty() or (nid.value.exists() and nid.system.exists())

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. DVC C 0..* Base DVC
Instances of this logical model can be the target of a Reference
Constraints: nid-must-have-value
... name 1..1 string Name of the recipient of vaccine or prophylaxis
... dob 1..1 date Date of Birth
... sex 1..1 code Sex
Binding: http://hl7.org/fhir/administrative-gender (extensible)
... nid C 0..* Identifier National Identification Document, if applicable
Constraints: ident-1
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... use ?!Σ 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
.... type Σ 0..1 CodeableConcept Description of identifier
Binding: IdentifierTypeCodes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
.... system Σ 0..1 uri The namespace for the identifier value
Binding: hl7VS-identifierType (extensible)
Example General: http://www.acme.com/identifiers/patient
.... value ΣC 0..1 string The value that is unique
Example General: 123456
.... period Σ 0..1 Period Time period when id is/was valid for use
.... assigner Σ 0..1 Reference(Organization) Organization that issued id (may be just text)
... guardian 0..1 string Name of the parent or guardian. Required, if applicable
... disease 1..* Coding Name of disease or condition
Binding: http://id.who.int/icd/release/11/mms (extensible)
... integrityCheck 0..* BackboneElement Integrity check value
.... @id 0..1 id Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... modifierExtension ?!Σ 0..* Extension Extensions that cannot be ignored even if unrecognized
.... cryptographicSignature 1..1 string Cryptographic signature of the issuer
.... kid 1..1 string Key identifier for signature verification
... vaccineDetails 1..* DVCVaccineDetails Vaccine Details
... version 1..1 string Version
Fixed Value: 0.1.0

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
DVC.sex Base extensible http://hl7.org/fhir/administrative-gender Not State Unknown
DVC.nationality Base extensible Iso 3166 Part 1: 3 Letter Codes 📦5.0.0 FHIR Std.
DVC.nid.use Base required IdentifierUse 📍5.0.0 FHIR Std.
DVC.nid.type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
DVC.nid.system Base extensible hl7VS-identifierType 📦3.0.0 THO v7.1
DVC.disease Base extensible http://id.who.int/icd/release/11/mms Not State Unknown

Constraints

Id Grade Path(s) Description Expression
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()
ident-1 warning DVC.nid Identifier with no value has limited utility. If communicating that an identifier value has been suppressed or missing, the value element SHOULD be present with an extension indicating the missing semantic - e.g. data-absent-reason value.exists()
nid-must-have-value error DVC If National ID is present, it must have a value and a system nid.empty() or (nid.value.exists() and nid.system.exists())

This structure is derived from Base

Summary

Mandatory: 0 element(9 nested mandatory elements)
Fixed: 1 element

 

Other representations of profile: CSV, Excel