This page is part of the WHO Digital Documentation of COVID-19 Certificates (DDCC) (v1.0.1: releases Draft) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON
• TTL

Logical Model: DDCC Core Data Set Logical Model for Test Result ( Abstract )

Data elements for the DDCC Core Data Set for Test Result.

Usage:

• This Logical Model Profile is not used by any profiles in this Implementation Guide

Formal Views of Profile Content

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

• Differential Table
• Key Elements Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from DDCCCoreDataSet

Name	Flags	Card.	Type	Description & Constraints
DDCCCoreDataSet		0..*	DDCCCoreDataSet	This is an abstracttype. Elements defined in Ancestors:name, birthDate, identifier, certificate DDCC Core Data Set Logical Model for Test Result Instances of this logical model are not marked to be the target of a Reference
test	Σ	1..1	BackboneElement	Test Event
pathogen	Σ	1..1	Coding	Pathogen targeted Binding: WHO Agent Targeted (COVID-19) (preferred)
type	Σ	1..1	Coding	Type of test Binding: WHO Type of Covid-19 Test (preferred)
brand	Σ	0..1	Coding	Test brand
manufacturer	Σ	0..1	Coding	Test manufacturer
origin	Σ	0..1	Coding	Specimen Sample Origin Binding: WHO Speciman Sample Origin (COVID-19) (preferred)
date	Σ	1..1	dateTime	Date and time of sample collection
result		0..1	Coding	Test result Binding: WHO Test Result (COVID-19) (preferred)
centre		0..1	Coding	Test centre or facility name
country	Σ	1..1	Coding	Test centre country Binding: Iso3166-1-3 (preferred)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
DDCCCoreDataSet.test.pathogen	preferred	WHODDCCAgentTargetedCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCAgentTargetedCOVID19 from this IG
DDCCCoreDataSet.test.type	preferred	WHODDCCTypeofTestCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCTypeofTestCOVID19 from this IG
DDCCCoreDataSet.test.origin	preferred	WHODDCCSampleOriginCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCSampleOriginCOVID19 from this IG
DDCCCoreDataSet.test.result	preferred	WHODDCCTestResultCOVID19 http://smart.who.int/ddcc/ValueSet/who-ddcc-test-result-covid-19 from this IG
DDCCCoreDataSet.test.country	preferred	Iso3166-1-3 http://hl7.org/fhir/ValueSet/iso3166-1-3 from the FHIR Standard

Name	Flags	Card.	Type	Description & Constraints
DDCCCoreDataSet		0..*	DDCCCoreDataSet	This is an abstracttype. Elements defined in Ancestors:name, birthDate, identifier, certificate DDCC Core Data Set Logical Model for Test Result Instances of this logical model are not marked to be the target of a Reference
name	Σ	1..1	string	Name
birthDate	Σ	0..1	date	Date of birth
identifier	Σ	0..1	Identifier	Unique identifier
certificate	Σ	0..1	BackboneElement	Certificate Metadata ele-1: All FHIR elements must have a @value or children
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
issuer	Σ	1..1	Reference(DDCC Organization)	Certificate issuer
kid		0..1	string	Key ID used to verify the signature of the certificate
hcid	Σ	1..1	Identifier	Health certificate identifier (HCID)
ddccid	Σ	0..1	Identifier	DDCC Identifier
version	Σ	1..1	string	Certificate schema version
period	C	0..1	Period	Certificate Validity Period ele-1: All FHIR elements must have a @value or children per-1: If present, start SHALL have a lower value than end
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
start	ΣC	0..1	dateTime	Certificate valid from ele-1: All FHIR elements must have a @value or children
end	ΣC	0..1	dateTime	Certificate valid until ele-1: All FHIR elements must have a @value or children
test	Σ	1..1	BackboneElement	Test Event ele-1: All FHIR elements must have a @value or children
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
pathogen	Σ	1..1	Coding	Pathogen targeted Binding: WHO Agent Targeted (COVID-19) (preferred)
type	Σ	1..1	Coding	Type of test Binding: WHO Type of Covid-19 Test (preferred)
brand	Σ	0..1	Coding	Test brand
manufacturer	Σ	0..1	Coding	Test manufacturer
origin	Σ	0..1	Coding	Specimen Sample Origin Binding: WHO Speciman Sample Origin (COVID-19) (preferred)
date	Σ	1..1	dateTime	Date and time of sample collection
result		0..1	Coding	Test result Binding: WHO Test Result (COVID-19) (preferred)
centre		0..1	Coding	Test centre or facility name
country	Σ	1..1	Coding	Test centre country Binding: Iso3166-1-3 (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
DDCCCoreDataSet.test.pathogen	preferred	WHODDCCAgentTargetedCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCAgentTargetedCOVID19 from this IG
DDCCCoreDataSet.test.type	preferred	WHODDCCTypeofTestCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCTypeofTestCOVID19 from this IG
DDCCCoreDataSet.test.origin	preferred	WHODDCCSampleOriginCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCSampleOriginCOVID19 from this IG
DDCCCoreDataSet.test.result	preferred	WHODDCCTestResultCOVID19 http://smart.who.int/ddcc/ValueSet/who-ddcc-test-result-covid-19 from this IG
DDCCCoreDataSet.test.country	preferred	Iso3166-1-3 http://hl7.org/fhir/ValueSet/iso3166-1-3 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
per-1	error	DDCCCoreDataSet.certificate.period	If present, start SHALL have a lower value than end : start.hasValue().not() or end.hasValue().not() or (start <= end)

Name	Flags	Card.	Type	Description & Constraints
DDCCCoreDataSet		0..*	DDCCCoreDataSet	This is an abstracttype. Elements defined in Ancestors:name, birthDate, identifier, certificate DDCC Core Data Set Logical Model for Test Result Instances of this logical model are not marked to be the target of a Reference
name	Σ	1..1	string	Name
birthDate	Σ	0..1	date	Date of birth
identifier	Σ	0..1	Identifier	Unique identifier
certificate	Σ	0..1	BackboneElement	Certificate Metadata
@id		0..1	string	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
issuer	Σ	1..1	Reference(DDCC Organization)	Certificate issuer
kid		0..1	string	Key ID used to verify the signature of the certificate
hcid	Σ	1..1	Identifier	Health certificate identifier (HCID)
ddccid	Σ	0..1	Identifier	DDCC Identifier
version	Σ	1..1	string	Certificate schema version
period	C	0..1	Period	Certificate Validity Period per-1: If present, start SHALL have a lower value than end
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
start	ΣC	0..1	dateTime	Certificate valid from
end	ΣC	0..1	dateTime	Certificate valid until
test	Σ	1..1	BackboneElement	Test Event
@id		0..1	string	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
pathogen	Σ	1..1	Coding	Pathogen targeted Binding: WHO Agent Targeted (COVID-19) (preferred)
type	Σ	1..1	Coding	Type of test Binding: WHO Type of Covid-19 Test (preferred)
brand	Σ	0..1	Coding	Test brand
manufacturer	Σ	0..1	Coding	Test manufacturer
origin	Σ	0..1	Coding	Specimen Sample Origin Binding: WHO Speciman Sample Origin (COVID-19) (preferred)
date	Σ	1..1	dateTime	Date and time of sample collection
result		0..1	Coding	Test result Binding: WHO Test Result (COVID-19) (preferred)
centre		0..1	Coding	Test centre or facility name
country	Σ	1..1	Coding	Test centre country Binding: Iso3166-1-3 (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
DDCCCoreDataSet.test.pathogen	preferred	WHODDCCAgentTargetedCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCAgentTargetedCOVID19 from this IG
DDCCCoreDataSet.test.type	preferred	WHODDCCTypeofTestCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCTypeofTestCOVID19 from this IG
DDCCCoreDataSet.test.origin	preferred	WHODDCCSampleOriginCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCSampleOriginCOVID19 from this IG
DDCCCoreDataSet.test.result	preferred	WHODDCCTestResultCOVID19 http://smart.who.int/ddcc/ValueSet/who-ddcc-test-result-covid-19 from this IG
DDCCCoreDataSet.test.country	preferred	Iso3166-1-3 http://hl7.org/fhir/ValueSet/iso3166-1-3 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
per-1	error	DDCCCoreDataSet.certificate.period	If present, start SHALL have a lower value than end : start.hasValue().not() or end.hasValue().not() or (start <= end)

This structure is derived from DDCCCoreDataSet

Summary

Mandatory: 0 element(5 nested mandatory elements)

Differential View

This structure is derived from DDCCCoreDataSet

Name	Flags	Card.	Type	Description & Constraints
DDCCCoreDataSet		0..*	DDCCCoreDataSet	This is an abstracttype. Elements defined in Ancestors:name, birthDate, identifier, certificate DDCC Core Data Set Logical Model for Test Result Instances of this logical model are not marked to be the target of a Reference
test	Σ	1..1	BackboneElement	Test Event
pathogen	Σ	1..1	Coding	Pathogen targeted Binding: WHO Agent Targeted (COVID-19) (preferred)
type	Σ	1..1	Coding	Type of test Binding: WHO Type of Covid-19 Test (preferred)
brand	Σ	0..1	Coding	Test brand
manufacturer	Σ	0..1	Coding	Test manufacturer
origin	Σ	0..1	Coding	Specimen Sample Origin Binding: WHO Speciman Sample Origin (COVID-19) (preferred)
date	Σ	1..1	dateTime	Date and time of sample collection
result		0..1	Coding	Test result Binding: WHO Test Result (COVID-19) (preferred)
centre		0..1	Coding	Test centre or facility name
country	Σ	1..1	Coding	Test centre country Binding: Iso3166-1-3 (preferred)
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
DDCCCoreDataSet.test.pathogen	preferred	WHODDCCAgentTargetedCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCAgentTargetedCOVID19 from this IG
DDCCCoreDataSet.test.type	preferred	WHODDCCTypeofTestCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCTypeofTestCOVID19 from this IG
DDCCCoreDataSet.test.origin	preferred	WHODDCCSampleOriginCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCSampleOriginCOVID19 from this IG
DDCCCoreDataSet.test.result	preferred	WHODDCCTestResultCOVID19 http://smart.who.int/ddcc/ValueSet/who-ddcc-test-result-covid-19 from this IG
DDCCCoreDataSet.test.country	preferred	Iso3166-1-3 http://hl7.org/fhir/ValueSet/iso3166-1-3 from the FHIR Standard

Key Elements View

Name	Flags	Card.	Type	Description & Constraints
DDCCCoreDataSet		0..*	DDCCCoreDataSet	This is an abstracttype. Elements defined in Ancestors:name, birthDate, identifier, certificate DDCC Core Data Set Logical Model for Test Result Instances of this logical model are not marked to be the target of a Reference
name	Σ	1..1	string	Name
birthDate	Σ	0..1	date	Date of birth
identifier	Σ	0..1	Identifier	Unique identifier
certificate	Σ	0..1	BackboneElement	Certificate Metadata ele-1: All FHIR elements must have a @value or children
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
issuer	Σ	1..1	Reference(DDCC Organization)	Certificate issuer
kid		0..1	string	Key ID used to verify the signature of the certificate
hcid	Σ	1..1	Identifier	Health certificate identifier (HCID)
ddccid	Σ	0..1	Identifier	DDCC Identifier
version	Σ	1..1	string	Certificate schema version
period	C	0..1	Period	Certificate Validity Period ele-1: All FHIR elements must have a @value or children per-1: If present, start SHALL have a lower value than end
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
start	ΣC	0..1	dateTime	Certificate valid from ele-1: All FHIR elements must have a @value or children
end	ΣC	0..1	dateTime	Certificate valid until ele-1: All FHIR elements must have a @value or children
test	Σ	1..1	BackboneElement	Test Event ele-1: All FHIR elements must have a @value or children
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both
pathogen	Σ	1..1	Coding	Pathogen targeted Binding: WHO Agent Targeted (COVID-19) (preferred)
type	Σ	1..1	Coding	Type of test Binding: WHO Type of Covid-19 Test (preferred)
brand	Σ	0..1	Coding	Test brand
manufacturer	Σ	0..1	Coding	Test manufacturer
origin	Σ	0..1	Coding	Specimen Sample Origin Binding: WHO Speciman Sample Origin (COVID-19) (preferred)
date	Σ	1..1	dateTime	Date and time of sample collection
result		0..1	Coding	Test result Binding: WHO Test Result (COVID-19) (preferred)
centre		0..1	Coding	Test centre or facility name
country	Σ	1..1	Coding	Test centre country Binding: Iso3166-1-3 (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
DDCCCoreDataSet.test.pathogen	preferred	WHODDCCAgentTargetedCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCAgentTargetedCOVID19 from this IG
DDCCCoreDataSet.test.type	preferred	WHODDCCTypeofTestCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCTypeofTestCOVID19 from this IG
DDCCCoreDataSet.test.origin	preferred	WHODDCCSampleOriginCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCSampleOriginCOVID19 from this IG
DDCCCoreDataSet.test.result	preferred	WHODDCCTestResultCOVID19 http://smart.who.int/ddcc/ValueSet/who-ddcc-test-result-covid-19 from this IG
DDCCCoreDataSet.test.country	preferred	Iso3166-1-3 http://hl7.org/fhir/ValueSet/iso3166-1-3 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
per-1	error	DDCCCoreDataSet.certificate.period	If present, start SHALL have a lower value than end : start.hasValue().not() or end.hasValue().not() or (start <= end)

Snapshot View

Name	Flags	Card.	Type	Description & Constraints
DDCCCoreDataSet		0..*	DDCCCoreDataSet	This is an abstracttype. Elements defined in Ancestors:name, birthDate, identifier, certificate DDCC Core Data Set Logical Model for Test Result Instances of this logical model are not marked to be the target of a Reference
name	Σ	1..1	string	Name
birthDate	Σ	0..1	date	Date of birth
identifier	Σ	0..1	Identifier	Unique identifier
certificate	Σ	0..1	BackboneElement	Certificate Metadata
@id		0..1	string	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
issuer	Σ	1..1	Reference(DDCC Organization)	Certificate issuer
kid		0..1	string	Key ID used to verify the signature of the certificate
hcid	Σ	1..1	Identifier	Health certificate identifier (HCID)
ddccid	Σ	0..1	Identifier	DDCC Identifier
version	Σ	1..1	string	Certificate schema version
period	C	0..1	Period	Certificate Validity Period per-1: If present, start SHALL have a lower value than end
@id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
start	ΣC	0..1	dateTime	Certificate valid from
end	ΣC	0..1	dateTime	Certificate valid until
test	Σ	1..1	BackboneElement	Test Event
@id		0..1	string	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
pathogen	Σ	1..1	Coding	Pathogen targeted Binding: WHO Agent Targeted (COVID-19) (preferred)
type	Σ	1..1	Coding	Type of test Binding: WHO Type of Covid-19 Test (preferred)
brand	Σ	0..1	Coding	Test brand
manufacturer	Σ	0..1	Coding	Test manufacturer
origin	Σ	0..1	Coding	Specimen Sample Origin Binding: WHO Speciman Sample Origin (COVID-19) (preferred)
date	Σ	1..1	dateTime	Date and time of sample collection
result		0..1	Coding	Test result Binding: WHO Test Result (COVID-19) (preferred)
centre		0..1	Coding	Test centre or facility name
country	Σ	1..1	Coding	Test centre country Binding: Iso3166-1-3 (preferred)
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
DDCCCoreDataSet.test.pathogen	preferred	WHODDCCAgentTargetedCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCAgentTargetedCOVID19 from this IG
DDCCCoreDataSet.test.type	preferred	WHODDCCTypeofTestCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCTypeofTestCOVID19 from this IG
DDCCCoreDataSet.test.origin	preferred	WHODDCCSampleOriginCOVID19 http://smart.who.int/ddcc/ValueSet/WHODDCCSampleOriginCOVID19 from this IG
DDCCCoreDataSet.test.result	preferred	WHODDCCTestResultCOVID19 http://smart.who.int/ddcc/ValueSet/who-ddcc-test-result-covid-19 from this IG
DDCCCoreDataSet.test.country	preferred	Iso3166-1-3 http://hl7.org/fhir/ValueSet/iso3166-1-3 from the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
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()
per-1	error	DDCCCoreDataSet.certificate.period	If present, start SHALL have a lower value than end : start.hasValue().not() or end.hasValue().not() or (start <= end)

This structure is derived from DDCCCoreDataSet

Summary

Mandatory: 0 element(5 nested mandatory elements)

Other representations of profile: CSV, Excel