This page is part of the Personal Health Device FHIR IG (v0.3.0: STU 1 Ballot 3) based on FHIR R4. The current version which supercedes this version is 1.0.0. For a full list of available versions, see the Directory of published versions
The official URL for this profile is:
http://hl7.org/fhir/uv/phd/StructureDefinition/PhdCoincidentTimeStampObservation
Description of Profiles, Differentials, Snapshots and how the different presentations work.
This structure is derived from Observation
Summary
Mandatory: 13 elements (4 nested mandatory elements)
Fixed Value: 6 elements
Slices
This structure defines the following Slices:
This structure is derived from Observation
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Observation | 0..* | |||
meta | 1..1 | Meta | ||
profile | canonical(StructureDefinition) | Slice: Unordered, Open by value:value | ||
profile | 1..1 | canonical(StructureDefinition) | Fixed Value: http://hl7.org/fhir/uv/phd/StructureDefinition/PhdCoincidentTimeStampObservation | |
extension | 1..1 | Extension | Extension for the PHG | |
url | 1..1 | "http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice" | ||
valueReference | 1..1 | Reference() | Reference to the Personal Health Gateway (PHG) Device | |
status | 1..1 | code | Fixed Value: final | |
subject | 1..1 | Reference(Patient | Group | Device | Location) | ||
reference | 1..1 | string | ||
effectiveDateTime | 0..1 | dateTime, Period, Timing, instant | The current time of the PHG at the current time of the PHD. Absent if PHD is better synchronized | |
value[x] | 0..1 | dateTime, Quantity | The current time of the PHD as a wallclock time (dateTime), relative time (Quantity), or if a time fault a dataAbsentReason | |
dataAbsentReason | 0..1 | CodeableConcept | Populated when the PHD has a time fault | |
coding | Coding | Slice: Unordered, Open by value:system | ||
coding | 1..1 | Coding | ||
system | 1..1 | uri | Fixed Value: http://terminology.hl7.org/CodeSystem/data-absent-reason | |
code | 1..1 | code | Fixed Value: unknown | |
device | 1..1 | Reference(Device | DeviceMetric) | ||
reference | 1..1 | string | Reference to the device responsible for the measurement | |
Documentation for this format |
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Observation | I | 0..* | Measurements and simple assertions | |
id | Σ | 0..1 | id | Logical id of this artifact |
meta | Σ | 1..1 | Meta | Metadata about the resource |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
versionId | Σ | 0..1 | id | Version specific identifier |
lastUpdated | Σ | 0..1 | instant | When the resource version last changed |
source | Σ | 0..1 | uri | Identifies where the resource comes from |
profile | Σ | canonical(StructureDefinition) | Profiles this resource claims to conform to Slice: Unordered, Open by value:value | |
profile | Σ | 1..1 | canonical(StructureDefinition) | Profiles this resource claims to conform to Fixed Value: http://hl7.org/fhir/uv/phd/StructureDefinition/PhdCoincidentTimeStampObservation |
security | Σ | 0..* | Coding | Security Labels applied to this resource Binding: All Security Labels (extensible) |
tag | Σ | 0..* | Coding | Tags applied to this resource Binding: CommonTags (example) |
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) Max Binding: AllLanguages | |
text | 0..1 | Narrative | Text summary of the resource, for human interpretation | |
contained | 0..* | Resource | Contained, inline Resources | |
extension | 1..1 | Extension | Extension for the PHG | |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
url | 1..1 | "http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice" | ||
valueReference | 1..1 | Reference() | Reference to the Personal Health Gateway (PHG) Device | |
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored |
identifier | Σ | 0..* | Identifier | Business Identifier for observation |
basedOn | Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order |
partOf | Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event |
status | ?!Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) Fixed Value: final |
category | 0..* | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred) | |
code | Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: LOINCCodes (example) |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
coding | Σ | Coding | Code defined by a terminology system Slice: Unordered, Open by value:system | |
coding | Σ | 1..1 | Coding | The required MDC code for the type of time clock used by the PHD |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
system | Σ | 1..1 | uri | Identity of the terminology system Fixed Value: urn:iso:std:iso:11073:10101 |
version | Σ | 0..1 | string | Version of the system - if relevant |
code | Σ | 1..1 | code | Symbol in syntax defined by the system |
display | Σ | 0..1 | string | Representation defined by the system |
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user |
text | Σ | 0..1 | string | Plain text representation of the concept |
subject | Σ | 1..1 | Reference(Patient | Group | Device | Location) | Who and/or what the observation is about |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
reference | ΣI | 1..1 | string | Literal reference, Relative, internal or absolute URL |
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible) |
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known |
display | Σ | 0..1 | string | Text alternative for the resource |
focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record |
encounter | Σ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made |
effective[x] | Σ | 0..1 | dateTime, Period, Timing, instant | The current time of the PHG at the current time of the PHD. Absent if PHD is better synchronized |
issued | Σ | 0..1 | instant | Date/Time this version was made available |
performer | Σ | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who is responsible for the observation |
value[x] | ΣI | 0..1 | dateTime, Quantity | The current time of the PHD as a wallclock time (dateTime), relative time (Quantity), or if a time fault a dataAbsentReason |
dataAbsentReason | I | 0..1 | CodeableConcept | Populated when the PHD has a time fault Binding: DataAbsentReason (extensible) |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
coding | Σ | Coding | Code defined by a terminology system Slice: Unordered, Open by value:system | |
coding | Σ | 1..1 | Coding | Code defined by a terminology system |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
system | Σ | 1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/data-absent-reason |
version | Σ | 0..1 | string | Version of the system - if relevant |
code | Σ | 1..1 | code | Symbol in syntax defined by the system Fixed Value: unknown |
display | Σ | 0..1 | string | Representation defined by the system |
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user |
text | Σ | 0..1 | string | Plain text representation of the concept |
interpretation | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible) | |
note | 0..* | Annotation | Comments about the observation | |
bodySite | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example) | |
method | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (example) | |
specimen | 0..1 | Reference(Specimen) | Specimen used for this observation | |
device | 1..1 | Reference(Device | DeviceMetric) | (Measurement) Device | |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
reference | ΣI | 1..1 | string | Reference to the device responsible for the measurement |
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible) |
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known |
display | Σ | 0..1 | string | Text alternative for the resource |
referenceRange | I | 0..* | BackboneElement | Provides guide for interpretation obs-3: Must have at least a low or a high or text |
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 |
low | I | 0..1 | SimpleQuantity | Low Range, if relevant |
high | I | 0..1 | SimpleQuantity | High Range, if relevant |
type | 0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred) | |
appliesTo | 0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example) | |
age | 0..1 | Range | Applicable age range, if relevant | |
text | 0..1 | string | Text based reference range in an observation | |
hasMember | Σ | 0..* | Reference(Observation | QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group |
derivedFrom | Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) | Related measurements the observation is made from |
component | ΣI | 0..* | BackboneElement | Component results |
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 |
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example) |
value[x] | Σ | 0..1 | Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Actual component result |
dataAbsentReason | I | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible) |
interpretation | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible) | |
referenceRange | 0..* | Unknown reference to #Observation.referenceRange Provides guide for interpretation of component result | ||
Documentation for this format |
This structure is derived from Observation
Summary
Mandatory: 13 elements (4 nested mandatory elements)
Fixed Value: 6 elements
Slices
This structure defines the following Slices:
Differential View
This structure is derived from Observation
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Observation | 0..* | |||
meta | 1..1 | Meta | ||
profile | canonical(StructureDefinition) | Slice: Unordered, Open by value:value | ||
profile | 1..1 | canonical(StructureDefinition) | Fixed Value: http://hl7.org/fhir/uv/phd/StructureDefinition/PhdCoincidentTimeStampObservation | |
extension | 1..1 | Extension | Extension for the PHG | |
url | 1..1 | "http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice" | ||
valueReference | 1..1 | Reference() | Reference to the Personal Health Gateway (PHG) Device | |
status | 1..1 | code | Fixed Value: final | |
subject | 1..1 | Reference(Patient | Group | Device | Location) | ||
reference | 1..1 | string | ||
effectiveDateTime | 0..1 | dateTime, Period, Timing, instant | The current time of the PHG at the current time of the PHD. Absent if PHD is better synchronized | |
value[x] | 0..1 | dateTime, Quantity | The current time of the PHD as a wallclock time (dateTime), relative time (Quantity), or if a time fault a dataAbsentReason | |
dataAbsentReason | 0..1 | CodeableConcept | Populated when the PHD has a time fault | |
coding | Coding | Slice: Unordered, Open by value:system | ||
coding | 1..1 | Coding | ||
system | 1..1 | uri | Fixed Value: http://terminology.hl7.org/CodeSystem/data-absent-reason | |
code | 1..1 | code | Fixed Value: unknown | |
device | 1..1 | Reference(Device | DeviceMetric) | ||
reference | 1..1 | string | Reference to the device responsible for the measurement | |
Documentation for this format |
Snapshot View
Name | Flags | Card. | Type | Description & Constraints |
---|---|---|---|---|
Observation | I | 0..* | Measurements and simple assertions | |
id | Σ | 0..1 | id | Logical id of this artifact |
meta | Σ | 1..1 | Meta | Metadata about the resource |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
versionId | Σ | 0..1 | id | Version specific identifier |
lastUpdated | Σ | 0..1 | instant | When the resource version last changed |
source | Σ | 0..1 | uri | Identifies where the resource comes from |
profile | Σ | canonical(StructureDefinition) | Profiles this resource claims to conform to Slice: Unordered, Open by value:value | |
profile | Σ | 1..1 | canonical(StructureDefinition) | Profiles this resource claims to conform to Fixed Value: http://hl7.org/fhir/uv/phd/StructureDefinition/PhdCoincidentTimeStampObservation |
security | Σ | 0..* | Coding | Security Labels applied to this resource Binding: All Security Labels (extensible) |
tag | Σ | 0..* | Coding | Tags applied to this resource Binding: CommonTags (example) |
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) Max Binding: AllLanguages | |
text | 0..1 | Narrative | Text summary of the resource, for human interpretation | |
contained | 0..* | Resource | Contained, inline Resources | |
extension | 1..1 | Extension | Extension for the PHG | |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
url | 1..1 | "http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice" | ||
valueReference | 1..1 | Reference() | Reference to the Personal Health Gateway (PHG) Device | |
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored |
identifier | Σ | 0..* | Identifier | Business Identifier for observation |
basedOn | Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order |
partOf | Σ | 0..* | Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy) | Part of referenced event |
status | ?!Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required) Fixed Value: final |
category | 0..* | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred) | |
code | Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: LOINCCodes (example) |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
coding | Σ | Coding | Code defined by a terminology system Slice: Unordered, Open by value:system | |
coding | Σ | 1..1 | Coding | The required MDC code for the type of time clock used by the PHD |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
system | Σ | 1..1 | uri | Identity of the terminology system Fixed Value: urn:iso:std:iso:11073:10101 |
version | Σ | 0..1 | string | Version of the system - if relevant |
code | Σ | 1..1 | code | Symbol in syntax defined by the system |
display | Σ | 0..1 | string | Representation defined by the system |
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user |
text | Σ | 0..1 | string | Plain text representation of the concept |
subject | Σ | 1..1 | Reference(Patient | Group | Device | Location) | Who and/or what the observation is about |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
reference | ΣI | 1..1 | string | Literal reference, Relative, internal or absolute URL |
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible) |
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known |
display | Σ | 0..1 | string | Text alternative for the resource |
focus | Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record |
encounter | Σ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made |
effective[x] | Σ | 0..1 | dateTime, Period, Timing, instant | The current time of the PHG at the current time of the PHD. Absent if PHD is better synchronized |
issued | Σ | 0..1 | instant | Date/Time this version was made available |
performer | Σ | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who is responsible for the observation |
value[x] | ΣI | 0..1 | dateTime, Quantity | The current time of the PHD as a wallclock time (dateTime), relative time (Quantity), or if a time fault a dataAbsentReason |
dataAbsentReason | I | 0..1 | CodeableConcept | Populated when the PHD has a time fault Binding: DataAbsentReason (extensible) |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
coding | Σ | Coding | Code defined by a terminology system Slice: Unordered, Open by value:system | |
coding | Σ | 1..1 | Coding | Code defined by a terminology system |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
system | Σ | 1..1 | uri | Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/data-absent-reason |
version | Σ | 0..1 | string | Version of the system - if relevant |
code | Σ | 1..1 | code | Symbol in syntax defined by the system Fixed Value: unknown |
display | Σ | 0..1 | string | Representation defined by the system |
userSelected | Σ | 0..1 | boolean | If this coding was chosen directly by the user |
text | Σ | 0..1 | string | Plain text representation of the concept |
interpretation | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible) | |
note | 0..* | Annotation | Comments about the observation | |
bodySite | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example) | |
method | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (example) | |
specimen | 0..1 | Reference(Specimen) | Specimen used for this observation | |
device | 1..1 | Reference(Device | DeviceMetric) | (Measurement) Device | |
id | 0..1 | string | Unique id for inter-element referencing | |
extension | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
reference | ΣI | 1..1 | string | Reference to the device responsible for the measurement |
type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible) |
identifier | Σ | 0..1 | Identifier | Logical reference, when literal reference is not known |
display | Σ | 0..1 | string | Text alternative for the resource |
referenceRange | I | 0..* | BackboneElement | Provides guide for interpretation obs-3: Must have at least a low or a high or text |
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 |
low | I | 0..1 | SimpleQuantity | Low Range, if relevant |
high | I | 0..1 | SimpleQuantity | High Range, if relevant |
type | 0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred) | |
appliesTo | 0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example) | |
age | 0..1 | Range | Applicable age range, if relevant | |
text | 0..1 | string | Text based reference range in an observation | |
hasMember | Σ | 0..* | Reference(Observation | QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group |
derivedFrom | Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) | Related measurements the observation is made from |
component | ΣI | 0..* | BackboneElement | Component results |
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 |
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example) |
value[x] | Σ | 0..1 | Quantity, CodeableConcept, string, boolean, integer, Range, Ratio, SampledData, time, dateTime, Period | Actual component result |
dataAbsentReason | I | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible) |
interpretation | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible) | |
referenceRange | 0..* | Unknown reference to #Observation.referenceRange Provides guide for interpretation of component result | ||
Documentation for this format |
Other representations of profile: Schematron
Id | Path | Details | Requirements |
dom-2 | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty() | |
dom-4 | Observation | 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-3 | Observation | 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-6 | Observation | A resource should have narrative for robust management : text.div.exists() | |
dom-5 | Observation | If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty() | |
obs-7 | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where( (coding.code = %resource.code.coding.code) and (coding.system = %resource.code.coding.system)).empty() | |
obs-6 | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty() | |
ele-1 | Observation.referenceRange | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
obs-3 | Observation.referenceRange | Must have at least a low or a high or text : low.exists() or high.exists() or text.exists() | |
ele-1 | Observation.component | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) |