labcomplete AIS-Schnittstelle
0.1.0 - ci-build Österreich

labcomplete AIS-Schnittstelle - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Resource Profile: Sitzung

Official URL: https://fhir.labcomplete.at/ais/v1/StructureDefinition/ais-session-task Version: 0.1.0
Draft as of 2026-10-29 Computable Name: AisSessionTask

Copyright/Legal: © 2026 medcom GmbH. Alle Rechte vorbehalten.

session-create: identifier ist die sessionId, focus die Anforderung über ihre requestId, input nennt Zuweiser, Drucker und Nachforderung.

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: doco
Task C 0..* Task A task to be performed
Constraints: inv-1, tsk-1
Task.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Task.contained 0..* Resource Contained, inline Resources
Task.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored
Task.identifier This element must be supported. 1..1 Identifier Task Instance Identifier
Task.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.status This element is a modifier element. This element is included in summaries. 1..1 code draft | requested | received | accepted | +
Binding: TaskStatus (required): The current status of the task.
Task.intent This element is included in summaries. 1..1 code unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option
Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order.
Required Pattern: order (extensions allowed)
Task.doNotPerform This element is a modifier element. This element is included in summaries. 0..1 boolean True if Task is prohibiting action
Task.code This element is included in summaries. C 1..1 CodeableConcept Task Type
Binding: TaskCode (example): Codes to identify what the task involves. These will typically be specific to a particular workflow.
Required Pattern: 
{
  "coding" : [
    {
      "system" : "https://fhir.labcomplete.at/ais/v1/CodeSystem/task-type",
      "code" : "session"
    }
  ]
}
Task.focus This element must be supported. This element is included in summaries. C 1..1 Reference(Resource) What task is acting on
Task.focus.reference This element is included in summaries. C 0..1 string Literal reference, Relative, internal or absolute URL
Task.focus.identifier This element is included in summaries. C 1..1 Identifier Logical reference, when literal reference is not known
Task.focus.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.focus.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.focus.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.requester This element must be supported. This element is included in summaries. 1..1 Reference(Practitioner) Who is asking for task to be done
Task.location This element must be supported. This element is included in summaries. 0..1 Reference(Location) Where task occurs
Task.input This element must be supported. 0..* BackboneElement Information used to perform task
Task.input.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.input.type 1..1 CodeableConcept Label for the input
Binding: Ein- und Ausgaben eines Tasks (required)
Task.input.value[x] 1..1 Content to use in performing the task
Task.input.value[x].valueBase64Binary base64Binary
Task.input.value[x].valueBoolean boolean
Task.input.value[x].valueCanonical canonical(Any)
Task.input.value[x].valueCode code
Task.input.value[x].valueDate date
Task.input.value[x].valueDateTime dateTime
Task.input.value[x].valueDecimal decimal
Task.input.value[x].valueId id
Task.input.value[x].valueInstant instant
Task.input.value[x].valueInteger integer
Task.input.value[x].valueInteger64 integer64
Task.input.value[x].valueMarkdown markdown
Task.input.value[x].valueOid oid
Task.input.value[x].valuePositiveInt positiveInt
Task.input.value[x].valueString string
Task.input.value[x].valueTime time
Task.input.value[x].valueUnsignedInt unsignedInt
Task.input.value[x].valueUri uri
Task.input.value[x].valueUrl url
Task.input.value[x].valueUuid uuid
Task.input.value[x].valueAddress Address
Task.input.value[x].valueAge Age
Task.input.value[x].valueAnnotation Annotation
Task.input.value[x].valueAttachment Attachment
Task.input.value[x].valueCodeableConcept CodeableConcept
Task.input.value[x].valueCodeableReference CodeableReference
Task.input.value[x].valueCoding Coding
Task.input.value[x].valueContactPoint ContactPoint
Task.input.value[x].valueCount Count
Task.input.value[x].valueDistance Distance
Task.input.value[x].valueDuration Duration
Task.input.value[x].valueHumanName HumanName
Task.input.value[x].valueIdentifier Identifier
Task.input.value[x].valueMoney Money
Task.input.value[x].valuePeriod Period
Task.input.value[x].valueQuantity Quantity
Task.input.value[x].valueRange Range
Task.input.value[x].valueRatio Ratio
Task.input.value[x].valueRatioRange RatioRange
Task.input.value[x].valueReference Reference(Any)
Task.input.value[x].valueSampledData SampledData
Task.input.value[x].valueSignature Signature
Task.input.value[x].valueTiming Timing
Task.input.value[x].valueContactDetail ContactDetail
Task.input.value[x].valueDataRequirement DataRequirement
Task.input.value[x].valueExpression Expression
Task.input.value[x].valueParameterDefinition ParameterDefinition
Task.input.value[x].valueRelatedArtifact RelatedArtifact
Task.input.value[x].valueTriggerDefinition TriggerDefinition
Task.input.value[x].valueUsageContext UsageContext
Task.input.value[x].valueAvailability Availability
Task.input.value[x].valueExtendedContactDetail ExtendedContactDetail
Task.input.value[x].valueDosage Dosage
Task.input.value[x].valueMeta Meta

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Task.identifier.use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.status Base required Task Status 📍5.0.0 FHIR Std.
Task.intent Base required Task Intent 📍5.0.0 FHIR Std.
Task.code Base example Task Codes 📍5.0.0 FHIR Std.
Task.focus.identifier.​use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.input.type Base required Ein- und Ausgaben eines Tasks 📦0.1.0 This IG
Task.output.type Base example Not State Unknown

Constraints

Id Grade Path(s) Beschreibung Expression
dom-2 error Task If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Task 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().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Task 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 Task If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Task 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()
inv-1 error Task Last modified date must be greater than or equal to authored-on date. lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn
tsk-1 error Task Task.restriction is only allowed if the Task is seeking fulfillment and a focus is specified. restriction.exists() implies code.coding.where(code='fulfill' and system='http://hl7.org/fhir/CodeSystem/task-code').exists() and focus.exists()

This structure is derived from Task

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Task Task
Task.identifier This element must be supported. 1..1 Identifier Task Instance Identifier
Task.identifier.system 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.identifier.value 1..1 string The value that is unique
Task.intent 1..1 code unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option
Required Pattern: order (extensions allowed)
Task.code 1..1 CodeableConcept Task Type
Required Pattern: 
{
  "coding" : [
    {
      "system" : "https://fhir.labcomplete.at/ais/v1/CodeSystem/task-type",
      "code" : "session"
    }
  ]
}
Task.focus.identifier 1..1 Identifier Logical reference, when literal reference is not known
Task.focus.identifier.system 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.focus.identifier.value 1..1 string The value that is unique
Task.requester This element must be supported. 1..1 Reference(Practitioner) Who is asking for task to be done
Task.location This element must be supported. 0..1 Reference(Location) Where task occurs
Task.input This element must be supported. 0..* BackboneElement Information used to perform task
Task.input.type 1..1 CodeableConcept Label for the input
Binding: Ein- und Ausgaben eines Tasks (required)
Task.output 0..0 Information produced as part of task

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Task.input.type Base required Ein- und Ausgaben eines Tasks 📦0.1.0 This IG
NameFlagsCard.TypeDescription & Constraints    Filter: doco
Task C 0..* Task A task to be performed
Constraints: inv-1, tsk-1
Task.id This element is included in summaries. 0..1 id Logical id of this artifact
Task.meta This element is included in summaries. 0..1 Meta Metadata about the resource
Task.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Task.language 0..1 code Language of the resource content
Binding: AllLanguages (required): IETF language tag for a human language
Additional BindingsPurpose
CommonLanguages Starter
Task.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
Task.contained 0..* Resource Contained, inline Resources
Task.extension 0..* Extension Additional content defined by implementations
Task.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored
Task.identifier This element must be supported. 1..1 Identifier Task Instance Identifier
Task.identifier.id 0..1 id Unique id for inter-element referencing
Task.identifier.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Task.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.identifier.type This element is included in summaries. 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.
Task.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.identifier.period This element is included in summaries. 0..1 Period Time period when id is/was valid for use
Task.identifier.assigner This element is included in summaries. 0..1 Reference(Organization) Organization that issued id (may be just text)
Task.instantiatesCanonical This element is included in summaries. 0..1 canonical(ActivityDefinition) Formal definition of task
Task.instantiatesUri This element is included in summaries. 0..1 uri Formal definition of task
Task.basedOn This element is included in summaries. 0..* Reference(Resource) Request fulfilled by this task
Task.groupIdentifier This element is included in summaries. 0..1 Identifier Requisition or grouper id
Task.partOf This element is included in summaries. 0..* Reference(Task) Composite task
Task.status This element is a modifier element. This element is included in summaries. 1..1 code draft | requested | received | accepted | +
Binding: TaskStatus (required): The current status of the task.
Task.statusReason This element is included in summaries. 0..1 CodeableReference() Reason for current status
Binding: TaskStatusReason (example): Codes to identify the reason for current status. These will typically be specific to a particular workflow.
Task.businessStatus This element is included in summaries. 0..1 CodeableConcept E.g. "Specimen collected", "IV prepped"
Binding Description: (example): The domain-specific business-contextual sub-state of the task. For example: "Blood drawn", "IV inserted", "Awaiting physician signature", etc.
Task.intent This element is included in summaries. 1..1 code unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option
Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order.
Required Pattern: order (extensions allowed)
Task.priority 0..1 code routine | urgent | asap | stat
Binding: RequestPriority (required): The priority of a task (may affect service level applied to the task).
Task.doNotPerform This element is a modifier element. This element is included in summaries. 0..1 boolean True if Task is prohibiting action
Task.code This element is included in summaries. C 1..1 CodeableConcept Task Type
Binding: TaskCode (example): Codes to identify what the task involves. These will typically be specific to a particular workflow.
Required Pattern: 
{
  "coding" : [
    {
      "system" : "https://fhir.labcomplete.at/ais/v1/CodeSystem/task-type",
      "code" : "session"
    }
  ]
}
Task.description This element is included in summaries. 0..1 string Human-readable explanation of task
Task.focus This element must be supported. This element is included in summaries. C 1..1 Reference(Resource) What task is acting on
Task.focus.id 0..1 id Unique id for inter-element referencing
Task.focus.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Task.focus.reference This element is included in summaries. C 0..1 string Literal reference, Relative, internal or absolute URL
Task.focus.type This element is included in summaries. 0..1 uri Type the reference refers to (e.g. "Patient") - must be a resource in resources
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Task.focus.identifier This element is included in summaries. C 1..1 Identifier Logical reference, when literal reference is not known
Task.focus.identifier.id 0..1 id Unique id for inter-element referencing
Task.focus.identifier.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Task.focus.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.focus.identifier.type This element is included in summaries. 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.
Task.focus.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.focus.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.focus.identifier.period This element is included in summaries. 0..1 Period Time period when id is/was valid for use
Task.focus.identifier.assigner This element is included in summaries. 0..1 Reference(Organization) Organization that issued id (may be just text)
Task.focus.display This element is included in summaries. C 0..1 string Text alternative for the resource
Task.for This element is included in summaries. 0..1 Reference(Resource) Beneficiary of the Task
Task.encounter This element is included in summaries. 0..1 Reference(Encounter) Healthcare event during which this task originated
Task.requestedPeriod This element is included in summaries. 0..1 Period When the task should be performed
Task.executionPeriod This element is included in summaries. 0..1 Period Start and end time of execution
Task.authoredOn C 0..1 dateTime Task Creation Date
Task.lastModified This element is included in summaries. C 0..1 dateTime Task Last Modified Date
Task.requester This element must be supported. This element is included in summaries. 1..1 Reference(Practitioner) Who is asking for task to be done
Task.requestedPerformer 0..* CodeableReference(Practitioner | PractitionerRole | Organization | CareTeam | HealthcareService | Patient | Device | RelatedPerson) Who should perform Task
Binding: ProcedurePerformerRoleCodes (preferred): The type(s) of task performers allowed.
Task.owner This element is included in summaries. 0..1 Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Responsible individual
Task.performer This element is included in summaries. 0..* BackboneElement Who or what performed the task
Task.performer.id 0..1 string Unique id for inter-element referencing
Task.performer.extension 0..* Extension Additional content defined by implementations
Task.performer.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.performer.function This element is included in summaries. 0..1 CodeableConcept Type of performance
Binding Description: (example): Codes to identify types of task performers.
Task.performer.actor This element is included in summaries. 1..1 Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who performed the task
Task.location This element must be supported. This element is included in summaries. 0..1 Reference(Location) Where task occurs
Task.reason 0..* CodeableReference() Why task is needed
Binding Description: (example): Indicates why the task is needed. E.g. Suspended because patient admitted to hospital.
Task.insurance 0..* Reference(Coverage | ClaimResponse) Associated insurance coverage
Task.note 0..* Annotation Comments made about the task
Task.relevantHistory 0..* Reference(Provenance) Key events in history of the Task
Task.restriction C 0..1 BackboneElement Constraints on fulfillment tasks
Task.restriction.id 0..1 string Unique id for inter-element referencing
Task.restriction.extension 0..* Extension Additional content defined by implementations
Task.restriction.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.restriction.repetitions 0..1 positiveInt How many times to repeat
Task.restriction.period 0..1 Period When fulfillment is sought
Task.restriction.recipient 0..* Reference(Patient | Practitioner | PractitionerRole | RelatedPerson | Group | Organization) For whom is fulfillment sought?
Task.input This element must be supported. 0..* BackboneElement Information used to perform task
Task.input.id 0..1 string Unique id for inter-element referencing
Task.input.extension 0..* Extension Additional content defined by implementations
Task.input.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.input.type 1..1 CodeableConcept Label for the input
Binding: Ein- und Ausgaben eines Tasks (required)
Task.input.value[x] 1..1 Content to use in performing the task
Task.input.value[x].valueBase64Binary base64Binary
Task.input.value[x].valueBoolean boolean
Task.input.value[x].valueCanonical canonical(Any)
Task.input.value[x].valueCode code
Task.input.value[x].valueDate date
Task.input.value[x].valueDateTime dateTime
Task.input.value[x].valueDecimal decimal
Task.input.value[x].valueId id
Task.input.value[x].valueInstant instant
Task.input.value[x].valueInteger integer
Task.input.value[x].valueInteger64 integer64
Task.input.value[x].valueMarkdown markdown
Task.input.value[x].valueOid oid
Task.input.value[x].valuePositiveInt positiveInt
Task.input.value[x].valueString string
Task.input.value[x].valueTime time
Task.input.value[x].valueUnsignedInt unsignedInt
Task.input.value[x].valueUri uri
Task.input.value[x].valueUrl url
Task.input.value[x].valueUuid uuid
Task.input.value[x].valueAddress Address
Task.input.value[x].valueAge Age
Task.input.value[x].valueAnnotation Annotation
Task.input.value[x].valueAttachment Attachment
Task.input.value[x].valueCodeableConcept CodeableConcept
Task.input.value[x].valueCodeableReference CodeableReference
Task.input.value[x].valueCoding Coding
Task.input.value[x].valueContactPoint ContactPoint
Task.input.value[x].valueCount Count
Task.input.value[x].valueDistance Distance
Task.input.value[x].valueDuration Duration
Task.input.value[x].valueHumanName HumanName
Task.input.value[x].valueIdentifier Identifier
Task.input.value[x].valueMoney Money
Task.input.value[x].valuePeriod Period
Task.input.value[x].valueQuantity Quantity
Task.input.value[x].valueRange Range
Task.input.value[x].valueRatio Ratio
Task.input.value[x].valueRatioRange RatioRange
Task.input.value[x].valueReference Reference(Any)
Task.input.value[x].valueSampledData SampledData
Task.input.value[x].valueSignature Signature
Task.input.value[x].valueTiming Timing
Task.input.value[x].valueContactDetail ContactDetail
Task.input.value[x].valueDataRequirement DataRequirement
Task.input.value[x].valueExpression Expression
Task.input.value[x].valueParameterDefinition ParameterDefinition
Task.input.value[x].valueRelatedArtifact RelatedArtifact
Task.input.value[x].valueTriggerDefinition TriggerDefinition
Task.input.value[x].valueUsageContext UsageContext
Task.input.value[x].valueAvailability Availability
Task.input.value[x].valueExtendedContactDetail ExtendedContactDetail
Task.input.value[x].valueDosage Dosage
Task.input.value[x].valueMeta Meta

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Task.language Base required All Languages 📍5.0.0 FHIR Std.
Task.identifier.use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.identifier.type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
Task.status Base required Task Status 📍5.0.0 FHIR Std.
Task.statusReason Base example Task Status Reason 📍5.0.0 FHIR Std.
Task.businessStatus Base example Not State Unknown
Task.intent Base required Task Intent 📍5.0.0 FHIR Std.
Task.priority Base required RequestPriority 📍5.0.0 FHIR Std.
Task.code Base example Task Codes 📍5.0.0 FHIR Std.
Task.focus.type Base extensible Resource Types 📍5.0.0 FHIR Std.
Task.focus.identifier.​use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.focus.identifier.​type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
Task.requestedPerformer Base preferred Procedure Performer Role Codes 📍5.0.0 FHIR Std.
Task.performer.function Base example Not State Unknown
Task.reason Base example Not State Unknown
Task.input.type Base required Ein- und Ausgaben eines Tasks 📦0.1.0 This IG
Task.output.type Base example Not State Unknown

Constraints

Id Grade Path(s) Beschreibung Expression
dom-2 error Task If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Task 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().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Task 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 Task If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Task 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()
inv-1 error Task Last modified date must be greater than or equal to authored-on date. lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn
tsk-1 error Task Task.restriction is only allowed if the Task is seeking fulfillment and a focus is specified. restriction.exists() implies code.coding.where(code='fulfill' and system='http://hl7.org/fhir/CodeSystem/task-code').exists() and focus.exists()

This structure is derived from Task

Summary

Mandatory: 7 elements
Must-Support: 5 elements
Prohibited: 1 element

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Task C 0..* Task A task to be performed
Constraints: inv-1, tsk-1
Task.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Task.contained 0..* Resource Contained, inline Resources
Task.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored
Task.identifier This element must be supported. 1..1 Identifier Task Instance Identifier
Task.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.status This element is a modifier element. This element is included in summaries. 1..1 code draft | requested | received | accepted | +
Binding: TaskStatus (required): The current status of the task.
Task.intent This element is included in summaries. 1..1 code unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option
Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order.
Required Pattern: order (extensions allowed)
Task.doNotPerform This element is a modifier element. This element is included in summaries. 0..1 boolean True if Task is prohibiting action
Task.code This element is included in summaries. C 1..1 CodeableConcept Task Type
Binding: TaskCode (example): Codes to identify what the task involves. These will typically be specific to a particular workflow.
Required Pattern: 
{
  "coding" : [
    {
      "system" : "https://fhir.labcomplete.at/ais/v1/CodeSystem/task-type",
      "code" : "session"
    }
  ]
}
Task.focus This element must be supported. This element is included in summaries. C 1..1 Reference(Resource) What task is acting on
Task.focus.reference This element is included in summaries. C 0..1 string Literal reference, Relative, internal or absolute URL
Task.focus.identifier This element is included in summaries. C 1..1 Identifier Logical reference, when literal reference is not known
Task.focus.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.focus.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.focus.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.requester This element must be supported. This element is included in summaries. 1..1 Reference(Practitioner) Who is asking for task to be done
Task.location This element must be supported. This element is included in summaries. 0..1 Reference(Location) Where task occurs
Task.input This element must be supported. 0..* BackboneElement Information used to perform task
Task.input.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.input.type 1..1 CodeableConcept Label for the input
Binding: Ein- und Ausgaben eines Tasks (required)
Task.input.value[x] 1..1 Content to use in performing the task
Task.input.value[x].valueBase64Binary base64Binary
Task.input.value[x].valueBoolean boolean
Task.input.value[x].valueCanonical canonical(Any)
Task.input.value[x].valueCode code
Task.input.value[x].valueDate date
Task.input.value[x].valueDateTime dateTime
Task.input.value[x].valueDecimal decimal
Task.input.value[x].valueId id
Task.input.value[x].valueInstant instant
Task.input.value[x].valueInteger integer
Task.input.value[x].valueInteger64 integer64
Task.input.value[x].valueMarkdown markdown
Task.input.value[x].valueOid oid
Task.input.value[x].valuePositiveInt positiveInt
Task.input.value[x].valueString string
Task.input.value[x].valueTime time
Task.input.value[x].valueUnsignedInt unsignedInt
Task.input.value[x].valueUri uri
Task.input.value[x].valueUrl url
Task.input.value[x].valueUuid uuid
Task.input.value[x].valueAddress Address
Task.input.value[x].valueAge Age
Task.input.value[x].valueAnnotation Annotation
Task.input.value[x].valueAttachment Attachment
Task.input.value[x].valueCodeableConcept CodeableConcept
Task.input.value[x].valueCodeableReference CodeableReference
Task.input.value[x].valueCoding Coding
Task.input.value[x].valueContactPoint ContactPoint
Task.input.value[x].valueCount Count
Task.input.value[x].valueDistance Distance
Task.input.value[x].valueDuration Duration
Task.input.value[x].valueHumanName HumanName
Task.input.value[x].valueIdentifier Identifier
Task.input.value[x].valueMoney Money
Task.input.value[x].valuePeriod Period
Task.input.value[x].valueQuantity Quantity
Task.input.value[x].valueRange Range
Task.input.value[x].valueRatio Ratio
Task.input.value[x].valueRatioRange RatioRange
Task.input.value[x].valueReference Reference(Any)
Task.input.value[x].valueSampledData SampledData
Task.input.value[x].valueSignature Signature
Task.input.value[x].valueTiming Timing
Task.input.value[x].valueContactDetail ContactDetail
Task.input.value[x].valueDataRequirement DataRequirement
Task.input.value[x].valueExpression Expression
Task.input.value[x].valueParameterDefinition ParameterDefinition
Task.input.value[x].valueRelatedArtifact RelatedArtifact
Task.input.value[x].valueTriggerDefinition TriggerDefinition
Task.input.value[x].valueUsageContext UsageContext
Task.input.value[x].valueAvailability Availability
Task.input.value[x].valueExtendedContactDetail ExtendedContactDetail
Task.input.value[x].valueDosage Dosage
Task.input.value[x].valueMeta Meta

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Task.identifier.use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.status Base required Task Status 📍5.0.0 FHIR Std.
Task.intent Base required Task Intent 📍5.0.0 FHIR Std.
Task.code Base example Task Codes 📍5.0.0 FHIR Std.
Task.focus.identifier.​use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.input.type Base required Ein- und Ausgaben eines Tasks 📦0.1.0 This IG
Task.output.type Base example Not State Unknown

Constraints

Id Grade Path(s) Beschreibung Expression
dom-2 error Task If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Task 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().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Task 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 Task If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Task 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()
inv-1 error Task Last modified date must be greater than or equal to authored-on date. lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn
tsk-1 error Task Task.restriction is only allowed if the Task is seeking fulfillment and a focus is specified. restriction.exists() implies code.coding.where(code='fulfill' and system='http://hl7.org/fhir/CodeSystem/task-code').exists() and focus.exists()

Differential View

This structure is derived from Task

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Task Task
Task.identifier This element must be supported. 1..1 Identifier Task Instance Identifier
Task.identifier.system 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.identifier.value 1..1 string The value that is unique
Task.intent 1..1 code unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option
Required Pattern: order (extensions allowed)
Task.code 1..1 CodeableConcept Task Type
Required Pattern: 
{
  "coding" : [
    {
      "system" : "https://fhir.labcomplete.at/ais/v1/CodeSystem/task-type",
      "code" : "session"
    }
  ]
}
Task.focus This element must be supported. 1..1 Reference(Resource) What task is acting on
Task.focus.identifier 1..1 Identifier Logical reference, when literal reference is not known
Task.focus.identifier.system 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.focus.identifier.value 1..1 string The value that is unique
Task.requester This element must be supported. 1..1 Reference(Practitioner) Who is asking for task to be done
Task.location This element must be supported. 0..1 Reference(Location) Where task occurs
Task.input This element must be supported. 0..* BackboneElement Information used to perform task
Task.input.type 1..1 CodeableConcept Label for the input
Binding: Ein- und Ausgaben eines Tasks (required)
Task.output 0..0 Information produced as part of task

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Task.input.type Base required Ein- und Ausgaben eines Tasks 📦0.1.0 This IG

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Task C 0..* Task A task to be performed
Constraints: inv-1, tsk-1
Task.id This element is included in summaries. 0..1 id Logical id of this artifact
Task.meta This element is included in summaries. 0..1 Meta Metadata about the resource
Task.implicitRules This element is a modifier element. This element is included in summaries. 0..1 uri A set of rules under which this content was created
Task.language 0..1 code Language of the resource content
Binding: AllLanguages (required): IETF language tag for a human language
Additional BindingsPurpose
CommonLanguages Starter
Task.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
Task.contained 0..* Resource Contained, inline Resources
Task.extension 0..* Extension Additional content defined by implementations
Task.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored
Task.identifier This element must be supported. 1..1 Identifier Task Instance Identifier
Task.identifier.id 0..1 id Unique id for inter-element referencing
Task.identifier.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Task.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.identifier.type This element is included in summaries. 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.
Task.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.identifier.period This element is included in summaries. 0..1 Period Time period when id is/was valid for use
Task.identifier.assigner This element is included in summaries. 0..1 Reference(Organization) Organization that issued id (may be just text)
Task.instantiatesCanonical This element is included in summaries. 0..1 canonical(ActivityDefinition) Formal definition of task
Task.instantiatesUri This element is included in summaries. 0..1 uri Formal definition of task
Task.basedOn This element is included in summaries. 0..* Reference(Resource) Request fulfilled by this task
Task.groupIdentifier This element is included in summaries. 0..1 Identifier Requisition or grouper id
Task.partOf This element is included in summaries. 0..* Reference(Task) Composite task
Task.status This element is a modifier element. This element is included in summaries. 1..1 code draft | requested | received | accepted | +
Binding: TaskStatus (required): The current status of the task.
Task.statusReason This element is included in summaries. 0..1 CodeableReference() Reason for current status
Binding: TaskStatusReason (example): Codes to identify the reason for current status. These will typically be specific to a particular workflow.
Task.businessStatus This element is included in summaries. 0..1 CodeableConcept E.g. "Specimen collected", "IV prepped"
Binding Description: (example): The domain-specific business-contextual sub-state of the task. For example: "Blood drawn", "IV inserted", "Awaiting physician signature", etc.
Task.intent This element is included in summaries. 1..1 code unknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option
Binding: TaskIntent (required): Distinguishes whether the task is a proposal, plan or full order.
Required Pattern: order (extensions allowed)
Task.priority 0..1 code routine | urgent | asap | stat
Binding: RequestPriority (required): The priority of a task (may affect service level applied to the task).
Task.doNotPerform This element is a modifier element. This element is included in summaries. 0..1 boolean True if Task is prohibiting action
Task.code This element is included in summaries. C 1..1 CodeableConcept Task Type
Binding: TaskCode (example): Codes to identify what the task involves. These will typically be specific to a particular workflow.
Required Pattern: 
{
  "coding" : [
    {
      "system" : "https://fhir.labcomplete.at/ais/v1/CodeSystem/task-type",
      "code" : "session"
    }
  ]
}
Task.description This element is included in summaries. 0..1 string Human-readable explanation of task
Task.focus This element must be supported. This element is included in summaries. C 1..1 Reference(Resource) What task is acting on
Task.focus.id 0..1 id Unique id for inter-element referencing
Task.focus.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Task.focus.reference This element is included in summaries. C 0..1 string Literal reference, Relative, internal or absolute URL
Task.focus.type This element is included in summaries. 0..1 uri Type the reference refers to (e.g. "Patient") - must be a resource in resources
Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
Task.focus.identifier This element is included in summaries. C 1..1 Identifier Logical reference, when literal reference is not known
Task.focus.identifier.id 0..1 id Unique id for inter-element referencing
Task.focus.identifier.extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
Task.focus.identifier.use This element is a modifier element. This element is included in summaries. 0..1 code usual | official | temp | secondary | old (If known)
Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
Task.focus.identifier.type This element is included in summaries. 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.
Task.focus.identifier.system This element is included in summaries. 0..1 uri The namespace for the identifier value
Required Pattern: urn:ietf:rfc:3986 (extensions allowed)
Task.focus.identifier.value This element is included in summaries. C 1..1 string The value that is unique
Beispiel General: 123456
Task.focus.identifier.period This element is included in summaries. 0..1 Period Time period when id is/was valid for use
Task.focus.identifier.assigner This element is included in summaries. 0..1 Reference(Organization) Organization that issued id (may be just text)
Task.focus.display This element is included in summaries. C 0..1 string Text alternative for the resource
Task.for This element is included in summaries. 0..1 Reference(Resource) Beneficiary of the Task
Task.encounter This element is included in summaries. 0..1 Reference(Encounter) Healthcare event during which this task originated
Task.requestedPeriod This element is included in summaries. 0..1 Period When the task should be performed
Task.executionPeriod This element is included in summaries. 0..1 Period Start and end time of execution
Task.authoredOn C 0..1 dateTime Task Creation Date
Task.lastModified This element is included in summaries. C 0..1 dateTime Task Last Modified Date
Task.requester This element must be supported. This element is included in summaries. 1..1 Reference(Practitioner) Who is asking for task to be done
Task.requestedPerformer 0..* CodeableReference(Practitioner | PractitionerRole | Organization | CareTeam | HealthcareService | Patient | Device | RelatedPerson) Who should perform Task
Binding: ProcedurePerformerRoleCodes (preferred): The type(s) of task performers allowed.
Task.owner This element is included in summaries. 0..1 Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Responsible individual
Task.performer This element is included in summaries. 0..* BackboneElement Who or what performed the task
Task.performer.id 0..1 string Unique id for inter-element referencing
Task.performer.extension 0..* Extension Additional content defined by implementations
Task.performer.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.performer.function This element is included in summaries. 0..1 CodeableConcept Type of performance
Binding Description: (example): Codes to identify types of task performers.
Task.performer.actor This element is included in summaries. 1..1 Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) Who performed the task
Task.location This element must be supported. This element is included in summaries. 0..1 Reference(Location) Where task occurs
Task.reason 0..* CodeableReference() Why task is needed
Binding Description: (example): Indicates why the task is needed. E.g. Suspended because patient admitted to hospital.
Task.insurance 0..* Reference(Coverage | ClaimResponse) Associated insurance coverage
Task.note 0..* Annotation Comments made about the task
Task.relevantHistory 0..* Reference(Provenance) Key events in history of the Task
Task.restriction C 0..1 BackboneElement Constraints on fulfillment tasks
Task.restriction.id 0..1 string Unique id for inter-element referencing
Task.restriction.extension 0..* Extension Additional content defined by implementations
Task.restriction.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.restriction.repetitions 0..1 positiveInt How many times to repeat
Task.restriction.period 0..1 Period When fulfillment is sought
Task.restriction.recipient 0..* Reference(Patient | Practitioner | PractitionerRole | RelatedPerson | Group | Organization) For whom is fulfillment sought?
Task.input This element must be supported. 0..* BackboneElement Information used to perform task
Task.input.id 0..1 string Unique id for inter-element referencing
Task.input.extension 0..* Extension Additional content defined by implementations
Task.input.modifierExtension This element is a modifier element. This element is included in summaries. 0..* Extension Extensions that cannot be ignored even if unrecognized
Task.input.type 1..1 CodeableConcept Label for the input
Binding: Ein- und Ausgaben eines Tasks (required)
Task.input.value[x] 1..1 Content to use in performing the task
Task.input.value[x].valueBase64Binary base64Binary
Task.input.value[x].valueBoolean boolean
Task.input.value[x].valueCanonical canonical(Any)
Task.input.value[x].valueCode code
Task.input.value[x].valueDate date
Task.input.value[x].valueDateTime dateTime
Task.input.value[x].valueDecimal decimal
Task.input.value[x].valueId id
Task.input.value[x].valueInstant instant
Task.input.value[x].valueInteger integer
Task.input.value[x].valueInteger64 integer64
Task.input.value[x].valueMarkdown markdown
Task.input.value[x].valueOid oid
Task.input.value[x].valuePositiveInt positiveInt
Task.input.value[x].valueString string
Task.input.value[x].valueTime time
Task.input.value[x].valueUnsignedInt unsignedInt
Task.input.value[x].valueUri uri
Task.input.value[x].valueUrl url
Task.input.value[x].valueUuid uuid
Task.input.value[x].valueAddress Address
Task.input.value[x].valueAge Age
Task.input.value[x].valueAnnotation Annotation
Task.input.value[x].valueAttachment Attachment
Task.input.value[x].valueCodeableConcept CodeableConcept
Task.input.value[x].valueCodeableReference CodeableReference
Task.input.value[x].valueCoding Coding
Task.input.value[x].valueContactPoint ContactPoint
Task.input.value[x].valueCount Count
Task.input.value[x].valueDistance Distance
Task.input.value[x].valueDuration Duration
Task.input.value[x].valueHumanName HumanName
Task.input.value[x].valueIdentifier Identifier
Task.input.value[x].valueMoney Money
Task.input.value[x].valuePeriod Period
Task.input.value[x].valueQuantity Quantity
Task.input.value[x].valueRange Range
Task.input.value[x].valueRatio Ratio
Task.input.value[x].valueRatioRange RatioRange
Task.input.value[x].valueReference Reference(Any)
Task.input.value[x].valueSampledData SampledData
Task.input.value[x].valueSignature Signature
Task.input.value[x].valueTiming Timing
Task.input.value[x].valueContactDetail ContactDetail
Task.input.value[x].valueDataRequirement DataRequirement
Task.input.value[x].valueExpression Expression
Task.input.value[x].valueParameterDefinition ParameterDefinition
Task.input.value[x].valueRelatedArtifact RelatedArtifact
Task.input.value[x].valueTriggerDefinition TriggerDefinition
Task.input.value[x].valueUsageContext UsageContext
Task.input.value[x].valueAvailability Availability
Task.input.value[x].valueExtendedContactDetail ExtendedContactDetail
Task.input.value[x].valueDosage Dosage
Task.input.value[x].valueMeta Meta

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Task.language Base required All Languages 📍5.0.0 FHIR Std.
Task.identifier.use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.identifier.type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
Task.status Base required Task Status 📍5.0.0 FHIR Std.
Task.statusReason Base example Task Status Reason 📍5.0.0 FHIR Std.
Task.businessStatus Base example Not State Unknown
Task.intent Base required Task Intent 📍5.0.0 FHIR Std.
Task.priority Base required RequestPriority 📍5.0.0 FHIR Std.
Task.code Base example Task Codes 📍5.0.0 FHIR Std.
Task.focus.type Base extensible Resource Types 📍5.0.0 FHIR Std.
Task.focus.identifier.​use Base required IdentifierUse 📍5.0.0 FHIR Std.
Task.focus.identifier.​type Base extensible Identifier Type Codes 📍5.0.0 FHIR Std.
Task.requestedPerformer Base preferred Procedure Performer Role Codes 📍5.0.0 FHIR Std.
Task.performer.function Base example Not State Unknown
Task.reason Base example Not State Unknown
Task.input.type Base required Ein- und Ausgaben eines Tasks 📦0.1.0 This IG
Task.output.type Base example Not State Unknown

Constraints

Id Grade Path(s) Beschreibung Expression
dom-2 error Task If the resource is contained in another resource, it SHALL NOT contain nested Resources contained.contained.empty()
dom-3 error Task 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().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4 error Task 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 Task If a resource is contained in another resource, it SHALL NOT have a security label contained.meta.security.empty()
dom-6 best practice Task 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()
inv-1 error Task Last modified date must be greater than or equal to authored-on date. lastModified.exists().not() or authoredOn.exists().not() or lastModified >= authoredOn
tsk-1 error Task Task.restriction is only allowed if the Task is seeking fulfillment and a focus is specified. restriction.exists() implies code.coding.where(code='fulfill' and system='http://hl7.org/fhir/CodeSystem/task-code').exists() and focus.exists()

This structure is derived from Task

Summary

Mandatory: 7 elements
Must-Support: 5 elements
Prohibited: 1 element

 

Other representations of profile: CSV, Excel, Schematron