NameFlagsCard.TypeDescription & Constraintsdoco
.. Task TUDomainResourceA task to be performed
+ Rule: Task.restriction is only allowed if the Task is seeking fulfillment and a focus is specified.
+ Rule: Last modified date must be greater than or equal to authored-on date.

Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
... identifier 0..*IdentifierTask Instance Identifier

... instantiatesCanonical Σ0..1canonical(ActivityDefinition)Formal definition of task
... instantiatesUri Σ0..1uriFormal definition of task
... basedOn Σ0..*Reference(Any)Request fulfilled by this task

... groupIdentifier Σ0..1IdentifierRequisition or grouper id
... partOf Σ0..*Reference(Task)Composite task

... status ?!Σ1..1codedraft | requested | received | accepted | +
Binding: Task Status (Required)
... statusReason Σ0..1CodeableReference()Reason for current status
Binding: Task Status Reason (Example)
... businessStatus Σ0..1CodeableConceptE.g. "Specimen collected", "IV prepped"
Binding: TaskBusinessStatus (Example)
... intent Σ1..1codeunknown | proposal | plan | order | original-order | reflex-order | filler-order | instance-order | option
Binding: Task Intent (Required)
... priority 0..1coderoutine | urgent | asap | stat
Binding: RequestPriority (Required)
... doNotPerform ?!Σ0..1booleanTrue if Task is prohibiting action
... code ΣC0..1CodeableConceptTask Type
Binding: Task Codes (Example)
... description Σ0..1stringHuman-readable explanation of task
... focus ΣC0..1Reference(Any)What task is acting on
... for Σ0..1Reference(Any)Beneficiary of the Task
... encounter Σ0..1Reference(Encounter)Healthcare event during which this task originated
... requestedPeriod Σ0..1PeriodWhen the task should be performed
... executionPeriod Σ0..1PeriodStart and end time of execution
... authoredOn C0..1dateTimeTask Creation Date
... lastModified ΣC0..1dateTimeTask Last Modified Date
... requester Σ0..1Reference(Device | Organization | Patient | Practitioner | PractitionerRole | RelatedPerson)Who is asking for task to be done
... requestedPerformer 0..*CodeableReference(Practitioner | PractitionerRole | Organization | CareTeam | HealthcareService | Patient | Device | RelatedPerson)Who should perform Task
Binding: Procedure Performer Role Codes (Preferred)

... owner Σ0..1Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Responsible individual
... performer Σ0..*BackboneElementWho or what performed the task

.... function Σ0..1CodeableConceptType of performance
Binding: TaskPerformerFunctionCode (Example)
.... actor Σ1..1Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson)Who performed the task
... location Σ0..1Reference(Location)Where task occurs
... reason 0..*CodeableReference()Why task is needed
Binding: TaskReason (Example)

... insurance 0..*Reference(Coverage | ClaimResponse)Associated insurance coverage

... note 0..*AnnotationComments made about the task

... relevantHistory 0..*Reference(Provenance)Key events in history of the Task

... restriction C0..1BackboneElementConstraints on fulfillment tasks
.... repetitions 0..1positiveIntHow many times to repeat
.... period 0..1PeriodWhen fulfillment is sought
.... recipient 0..*Reference(Patient | Practitioner | PractitionerRole | RelatedPerson | Group | Organization)For whom is fulfillment sought?

... input 0..*BackboneElementInformation used to perform task

.... type 1..1CodeableConceptLabel for the input
Binding: TaskInputParameterType (Example)
.... value[x] 1..1*Content to use in performing the task
... output 0..*BackboneElementInformation produced as part of task

.... type 1..1CodeableConceptLabel for output
Binding: TaskOutputParameterType (Example)
.... value[x] 1..1*Result of output

doco Documentation for this format