Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Specimen		0..*	Specimen	Sample for analysis
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:ageAt	S	0..1	CodeableConcept	Age at event URL: https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
Slices for identifier	Σ	1..*	Identifier	External Identifier Slice: Unordered, Open At End by value:system
identifier:CQDG_ID	Σ	1..1	Identifier	External Identifier
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	The namespace for the identifier value Required Pattern: https://fhir.cqdg.ca/fhir/Specimen
status	?!Σ	0..1	code	available | unavailable | unsatisfactory | entered-in-error Binding: SpecimenStatus (required): Codes providing the status/availability of a specimen.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Specimen.identifier:CQDG_ID.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 From the FHIR Standard
Specimen.status	required	SpecimenStatus http://hl7.org/fhir/ValueSet/specimen-status|4.0.1 From the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Specimen	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Specimen	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Specimen	A resource should have narrative for robust management : text.`div`.exists()
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()

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Specimen		0..*	Specimen	Sample for analysis
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:ageAt		0..1	CodeableConcept	Age at event URL: https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent
Slices for identifier		1..*	Identifier	External Identifier Slice: Unordered, Open At End by value:system
identifier:CQDG_ID		1..1	Identifier	External Identifier
system		1..1	uri	The namespace for the identifier value Required Pattern: https://fhir.cqdg.ca/fhir/Specimen
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Specimen		0..*	Specimen	Sample for analysis
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:ageAt	S	0..1	CodeableConcept	Age at event URL: https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
Slices for identifier	Σ	1..*	Identifier	External Identifier Slice: Unordered, Open At End by value:system
identifier:CQDG_ID	Σ	1..1	Identifier	External Identifier
id		0..1	string	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: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	Σ	1..1	uri	The namespace for the identifier value Required Pattern: https://fhir.cqdg.ca/fhir/Specimen
value	Σ	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)
accessionIdentifier	Σ	0..1	Identifier	Identifier assigned by the lab
status	?!Σ	0..1	code	available | unavailable | unsatisfactory | entered-in-error Binding: SpecimenStatus (required): Codes providing the status/availability of a specimen.
type	Σ	0..1	CodeableConcept	Kind of material that forms the specimen Binding: hl7VS-specimenType (example): The type of the specimen.
subject	Σ	0..1	Reference(Patient | Group | Device | Substance | Location)	Where the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a sampling of a substance or a device
receivedTime	Σ	0..1	dateTime	The time when specimen was received for processing
parent		0..*	Reference(Specimen)	Specimen from which this specimen originated
request		0..*	Reference(ServiceRequest)	Why the specimen was collected
collection		0..1	BackboneElement	Collection details
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
collector	Σ	0..1	Reference(Practitioner | PractitionerRole)	Who collected the specimen
collected[x]	Σ	0..1		Collection time
collectedDateTime			dateTime
collectedPeriod			Period
duration	Σ	0..1	Duration	How long it took to collect specimen
quantity		0..1	SimpleQuantity	The quantity of specimen collected
method		0..1	CodeableConcept	Technique used to perform collection Binding: FHIRSpecimenCollectionMethod (example): The technique that is used to perform the procedure.
bodySite		0..1	CodeableConcept	Anatomical collection site Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
fastingStatus[x]	Σ	0..1		Whether or how long patient abstained from food and/or drink Binding: hl7VS-relevantClincialInformation (extensible): Codes describing the fasting status of the patient.
fastingStatusCodeableConcept			CodeableConcept
fastingStatusDuration			Duration
processing		0..*	BackboneElement	Processing and processing step details
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
description		0..1	string	Textual description of procedure
procedure		0..1	CodeableConcept	Indicates the treatment step applied to the specimen Binding: SpecimenProcessingProcedure (example): Type indicating the technique used to process the specimen.
additive		0..*	Reference(Substance)	Material used in the processing step
time[x]		0..1		Date and time of specimen processing
timeDateTime			dateTime
timePeriod			Period
container		0..*	BackboneElement	Direct container of specimen (tube/slide, etc.)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
identifier	Σ	0..*	Identifier	Id for the container
description		0..1	string	Textual description of the container
type		0..1	CodeableConcept	Kind of container directly associated with specimen Binding: SpecimenContainerType (example): Type of specimen container.
capacity		0..1	SimpleQuantity	Container volume or size
specimenQuantity		0..1	SimpleQuantity	Quantity of specimen within container
additive[x]		0..1		Additive associated with container Binding: hl7VS-additivePreservative (example): Substance added to specimen container.
additiveCodeableConcept			CodeableConcept
additiveReference			Reference(Substance)
condition	Σ	0..*	CodeableConcept	State of the specimen Binding: hl7VS-specimenCondition (extensible): Codes describing the state of the specimen.
note		0..*	Annotation	Comments
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Specimen.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages From the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
Specimen.identifier:CQDG_ID.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 From the FHIR Standard
Specimen.identifier:CQDG_ID.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type From the FHIR Standard
Specimen.status	required	SpecimenStatus http://hl7.org/fhir/ValueSet/specimen-status|4.0.1 From the FHIR Standard
Specimen.type	example	Hl7VSSpecimenType http://terminology.hl7.org/ValueSet/v2-0487
Specimen.collection.method	example	FHIRSpecimenCollectionMethod http://hl7.org/fhir/ValueSet/specimen-collection-method From the FHIR Standard
Specimen.collection.bodySite	example	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard
Specimen.collection.fastingStatus[x]	extensible	Hl7VSRelevantClincialInformation http://terminology.hl7.org/ValueSet/v2-0916
Specimen.processing.procedure	example	SpecimenProcessingProcedure http://hl7.org/fhir/ValueSet/specimen-processing-procedure From the FHIR Standard
Specimen.container.type	example	SpecimenContainerType http://hl7.org/fhir/ValueSet/specimen-container-type From the FHIR Standard
Specimen.container.additive[x]	example	Hl7VSAdditivePreservative http://terminology.hl7.org/ValueSet/v2-0371
Specimen.condition	extensible	Hl7VSSpecimenCondition http://terminology.hl7.org/ValueSet/v2-0493

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Specimen	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Specimen	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Specimen	A resource should have narrative for robust management : text.`div`.exists()
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()

Summary

Mandatory: 3 elements

Extensions

This structure refers to these extensions:

• https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of Specimen.identifier (Open at End)

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Specimen		0..*	Specimen	Sample for analysis
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:ageAt	S	0..1	CodeableConcept	Age at event URL: https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
Slices for identifier	Σ	1..*	Identifier	External Identifier Slice: Unordered, Open At End by value:system
identifier:CQDG_ID	Σ	1..1	Identifier	External Identifier
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
system	Σ	1..1	uri	The namespace for the identifier value Required Pattern: https://fhir.cqdg.ca/fhir/Specimen
status	?!Σ	0..1	code	available | unavailable | unsatisfactory | entered-in-error Binding: SpecimenStatus (required): Codes providing the status/availability of a specimen.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Specimen.identifier:CQDG_ID.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 From the FHIR Standard
Specimen.status	required	SpecimenStatus http://hl7.org/fhir/ValueSet/specimen-status|4.0.1 From the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Specimen	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Specimen	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Specimen	A resource should have narrative for robust management : text.`div`.exists()
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()

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Specimen		0..*	Specimen	Sample for analysis
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:ageAt		0..1	CodeableConcept	Age at event URL: https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent
Slices for identifier		1..*	Identifier	External Identifier Slice: Unordered, Open At End by value:system
identifier:CQDG_ID		1..1	Identifier	External Identifier
system		1..1	uri	The namespace for the identifier value Required Pattern: https://fhir.cqdg.ca/fhir/Specimen
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Specimen		0..*	Specimen	Sample for analysis
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
Slices for extension		0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:ageAt	S	0..1	CodeableConcept	Age at event URL: https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
Slices for identifier	Σ	1..*	Identifier	External Identifier Slice: Unordered, Open At End by value:system
identifier:CQDG_ID	Σ	1..1	Identifier	External Identifier
id		0..1	string	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: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	Σ	1..1	uri	The namespace for the identifier value Required Pattern: https://fhir.cqdg.ca/fhir/Specimen
value	Σ	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)
accessionIdentifier	Σ	0..1	Identifier	Identifier assigned by the lab
status	?!Σ	0..1	code	available | unavailable | unsatisfactory | entered-in-error Binding: SpecimenStatus (required): Codes providing the status/availability of a specimen.
type	Σ	0..1	CodeableConcept	Kind of material that forms the specimen Binding: hl7VS-specimenType (example): The type of the specimen.
subject	Σ	0..1	Reference(Patient | Group | Device | Substance | Location)	Where the specimen came from. This may be from patient(s), from a location (e.g., the source of an environmental sample), or a sampling of a substance or a device
receivedTime	Σ	0..1	dateTime	The time when specimen was received for processing
parent		0..*	Reference(Specimen)	Specimen from which this specimen originated
request		0..*	Reference(ServiceRequest)	Why the specimen was collected
collection		0..1	BackboneElement	Collection details
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
collector	Σ	0..1	Reference(Practitioner | PractitionerRole)	Who collected the specimen
collected[x]	Σ	0..1		Collection time
collectedDateTime			dateTime
collectedPeriod			Period
duration	Σ	0..1	Duration	How long it took to collect specimen
quantity		0..1	SimpleQuantity	The quantity of specimen collected
method		0..1	CodeableConcept	Technique used to perform collection Binding: FHIRSpecimenCollectionMethod (example): The technique that is used to perform the procedure.
bodySite		0..1	CodeableConcept	Anatomical collection site Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
fastingStatus[x]	Σ	0..1		Whether or how long patient abstained from food and/or drink Binding: hl7VS-relevantClincialInformation (extensible): Codes describing the fasting status of the patient.
fastingStatusCodeableConcept			CodeableConcept
fastingStatusDuration			Duration
processing		0..*	BackboneElement	Processing and processing step details
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
description		0..1	string	Textual description of procedure
procedure		0..1	CodeableConcept	Indicates the treatment step applied to the specimen Binding: SpecimenProcessingProcedure (example): Type indicating the technique used to process the specimen.
additive		0..*	Reference(Substance)	Material used in the processing step
time[x]		0..1		Date and time of specimen processing
timeDateTime			dateTime
timePeriod			Period
container		0..*	BackboneElement	Direct container of specimen (tube/slide, etc.)
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
identifier	Σ	0..*	Identifier	Id for the container
description		0..1	string	Textual description of the container
type		0..1	CodeableConcept	Kind of container directly associated with specimen Binding: SpecimenContainerType (example): Type of specimen container.
capacity		0..1	SimpleQuantity	Container volume or size
specimenQuantity		0..1	SimpleQuantity	Quantity of specimen within container
additive[x]		0..1		Additive associated with container Binding: hl7VS-additivePreservative (example): Substance added to specimen container.
additiveCodeableConcept			CodeableConcept
additiveReference			Reference(Substance)
condition	Σ	0..*	CodeableConcept	State of the specimen Binding: hl7VS-specimenCondition (extensible): Codes describing the state of the specimen.
note		0..*	Annotation	Comments
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Specimen.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages From the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
Specimen.identifier:CQDG_ID.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 From the FHIR Standard
Specimen.identifier:CQDG_ID.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type From the FHIR Standard
Specimen.status	required	SpecimenStatus http://hl7.org/fhir/ValueSet/specimen-status|4.0.1 From the FHIR Standard
Specimen.type	example	Hl7VSSpecimenType http://terminology.hl7.org/ValueSet/v2-0487
Specimen.collection.method	example	FHIRSpecimenCollectionMethod http://hl7.org/fhir/ValueSet/specimen-collection-method From the FHIR Standard
Specimen.collection.bodySite	example	SNOMEDCTBodyStructures http://hl7.org/fhir/ValueSet/body-site From the FHIR Standard
Specimen.collection.fastingStatus[x]	extensible	Hl7VSRelevantClincialInformation http://terminology.hl7.org/ValueSet/v2-0916
Specimen.processing.procedure	example	SpecimenProcessingProcedure http://hl7.org/fhir/ValueSet/specimen-processing-procedure From the FHIR Standard
Specimen.container.type	example	SpecimenContainerType http://hl7.org/fhir/ValueSet/specimen-container-type From the FHIR Standard
Specimen.container.additive[x]	example	Hl7VSAdditivePreservative http://terminology.hl7.org/ValueSet/v2-0371
Specimen.condition	extensible	Hl7VSSpecimenCondition http://terminology.hl7.org/ValueSet/v2-0493

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Specimen	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Specimen	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Specimen	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Specimen	A resource should have narrative for robust management : text.`div`.exists()
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()

Summary

Mandatory: 3 elements

Extensions

This structure refers to these extensions:

• https://fhir.cqdg.ca/StructureDefinition/AgeAtEvent

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of Specimen.identifier (Open at End)