Physical Activity Implementation Guide
1.0.0-ballot - STU1 ballot-draft United States of America flag

This page is part of the U.S. Physical Activity IG (v1.0.0-ballot: STU 1.0 Ballot 1) based on FHIR R4. . For a full list of available versions, see the Directory of published versions

Resource Profile: PAServiceRequest - Detailed Descriptions

Active as of 2023-03-28

Definitions for the pa-servicerequest resource profile.

Guidance on how to interpret the contents of this table can be found here.

1. ServiceRequest
Definition

Represents orders and referrals for interventions that help to improve or maintain a patient's level of physical activity

A record of a request for service such as diagnostic investigations, treatments, or operations to be performed.

2. ServiceRequest.implicitRules
Control0..01
3. ServiceRequest.extension
SlicingThis element introduces a set of slices on ServiceRequest.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
4. ServiceRequest.extension:pertainsToGoal
SliceNamepertainsToGoal
Control0..*
TypeExtension(pertainsToGoal) (Extension Type: Reference(Goal))
Must Supporttrue
Requirements

Allows linking a referral or exercise prescription to the goal(s) it's trying to address

5. ServiceRequest.extension:pertainsToGoal.valueReference
Control1..1
TypeReference(ReferenceRest)(PAGoal)
6. ServiceRequest.extension:observationFocus
SliceNameobservationFocus
Control0..1
TypeExtension(Extension-5.0-Observation.focus) (Extension Type: Reference(Resource))
Requirements

Allows referrals seeking services for relatives rather than the patient themselves - e.g. training or counselling for parents of a minor.

7. ServiceRequest.extension:observationFocus.valueReference
Control0..1
TypeReference(PARelatedPerson)
8. ServiceRequest.modifierExtension
Control0..0*
9. ServiceRequest.status
Must Supporttrue
10. ServiceRequest.intent
BindingThe codes SHALL be taken from PA Referral IntentsThe codes SHALL be taken from RequestIntent
Must Supporttrue
Comments

...Multiple codes are allowed to support situations where a Task might point to a filler order instead of an original. However, in almost all cases, the intent should be 'original-order' or just 'order'.

This element is labeled as a modifier because the intent alters when and how the resource is actually applicable.

11. ServiceRequest.category
Control20..*
SlicingThis element introduces a set of slices on ServiceRequest.category. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • pattern @ $this
12. ServiceRequest.category:PA
SliceNamePA
Control1..1
Must Supporttrue
Pattern Value<valueCodeableConcept xmlns="http://hl7.org/fhir">
  <coding>
    <system value="http://hl7.org/fhir/us/physical-activity/CodeSystem/pa-temporary-codes"/>
    <code value="PhysicalActivity"/>
  </coding>
</valueCodeableConcept>
13. ServiceRequest.category:USCore
SliceNameUSCore
Control1..1
BindingThe codes SHALL be taken from PA ServiceRequest Category - USCore
14. ServiceRequest.priority
Must Supporttrue
15. ServiceRequest.doNotPerform
Control0..01
16. ServiceRequest.code
Control10..1
BindingThe codes SHALL be taken from PA ServiceRequest Intervention Codes; other codes may be used where these codes are not suitableFor example codes, see ProcedureCodes(SNOMEDCT)
Must Supporttrue
17. ServiceRequest.subject
TypeReference(ReferenceRest)(USCorePatientProfile|Patient|Group|Location|Device)
Must Supporttrue
18. ServiceRequest.occurrence[x]
TypeChoice of: , ,
[x] NoteSee Choice of Data Types for further information about how to use [x]
Must Supporttrue
SlicingThis element introduces a set of slices on ServiceRequest.occurrence[x]. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • type @ $this
19. ServiceRequest.occurrencePeriod
Control0..1
TypePeriod
Must Supporttrue
Must Support TypesPeriod
20. ServiceRequest.occurrencePeriod.start
Control0..?
Must Supporttrue
21. ServiceRequest.occurrencePeriod.end
Control0..?
Must Supporttrue
22. ServiceRequest.authoredOn
Must Supporttrue
23. ServiceRequest.requester
TypeReference(ReferenceRestOrLogical)(USCorePractitionerProfile|USCorePractitionerRoleProfile|Practitioner|PractitionerRole|Organization|Patient|RelatedPerson|Device)
Must Supporttrue
Must Support TypesNo must-support rules about the choice of types/profiles
24. ServiceRequest.performer
TypeReference(ReferenceRestOrLogical)(USCorePatientProfile|USCorePractitionerProfile|USCorePractitionerRoleProfile|USCoreOrganizationProfile|PARelatedPerson|Practitioner|PractitionerRole|Organization|CareTeam|HealthcareService|Patient|Device|RelatedPerson)
Must Supporttrue
Must Support TypesReference(USCorePatientProfile|USCorePractitionerProfile|USCorePractitionerRoleProfile|USCoreOrganizationProfile)
25. ServiceRequest.reasonCode
BindingThe codes SHALL be taken from US Core Condition Code; other codes may be used where these codes are not suitableFor example codes, see ProcedureReasonCodes
Must Supporttrue
26. ServiceRequest.reasonCode.text
Control0..?
Must Supporttrue
27. ServiceRequest.reasonReference
SlicingThis element introduces a set of slices on ServiceRequest.reasonReference. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • profile @ resolve()
28. ServiceRequest.reasonReference:SupportedReasonReference
SliceNameSupportedReasonReference
Control0..*
TypeReference(PAConditionLowPA)
Must Supporttrue
29. ServiceRequest.supportingInfo
TypeReference(ReferenceRest)(Resource)
SlicingThis element introduces a set of slices on ServiceRequest.supportingInfo. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • profile @ resolve()
30. ServiceRequest.supportingInfo:SupportedSupportingInfo
SliceNameSupportedSupportingInfo
Control0..*
TypeReference(ReferenceRest)(PAObservationEVS)
Must Supporttrue
31. ServiceRequest.specimen
Control0..0*

Guidance on how to interpret the contents of this table can be found here.

1. ServiceRequest
Definition

Represents orders and referrals for interventions that help to improve or maintain a patient's level of physical activity

A record of a request for service such as diagnostic investigations, treatments, or operations to be performed.

Control0..*
Summaryfalse
Alternate Namesdiagnostic request, referral, referral request, transfer of care request
InvariantsDefined on this element
dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (: contained.contained.empty())
dom-3: 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: 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: If a resource is contained in another resource, it SHALL NOT have a security label (: contained.meta.security.empty())
dom-6: A resource should have narrative for robust management (: text.`div`.exists())
prr-1: orderDetail SHALL only be present if code is present (: orderDetail.empty() or code.exists())
2. ServiceRequest.implicitRules
Definition

A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

Control0..01
Typeuri
Is Modifiertrue
Summarytrue
Comments

Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
3. ServiceRequest.extension
Definition

An Extension

May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control0..*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
4. ServiceRequest.extension:pertainsToGoal
SliceNamepertainsToGoal
Definition

Indicates that the resource is related to either the measurement, achievement or progress towards the referenced goal. For example, a Procedure to exercise pertainsToGoal of losing weight.

Control0..* This element is affected by the following invariants: ele-1
TypeExtension(pertainsToGoal) (Extension Type: Reference(Goal))
Must Supporttrue
Requirements

Allows linking a referral or exercise prescription to the goal(s) it's trying to address

Comments

This extension is limited to subject-specific activity-related resources (events & intents). I.e. This can't be put on Goal or Patient. This association isn't for the purpose of goal management, but for things such as noting that a particular observation result, prescription or other activity is pertinent to the achievement (or possibly non-achievement) of the referenced goal.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
5. ServiceRequest.extension:pertainsToGoal.extension
Definition

An Extension

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control0..0*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
6. ServiceRequest.extension:pertainsToGoal.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/StructureDefinition/resource-pertainsToGoal
7. ServiceRequest.extension:pertainsToGoal.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control10..1
TypeChoice of: Reference(Goal), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.extension.value[x]. The slices are unordered and Closed, and can be differentiated using the following discriminators:
  • type @ $this
8. ServiceRequest.extension:pertainsToGoal.value[x]:valueReference
SliceNamevalueReference
Definition

A reference from one resource to another.

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control10..1
TypeChoice of: Reference(ReferenceRest)(PAGoal), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
9. ServiceRequest.extension:observationFocus
SliceNameobservationFocus
Definition

An Extension

Control0..1 This element is affected by the following invariants: ele-1
TypeExtension(Extension-5.0-Observation.focus) (Extension Type: Reference(Resource))
Requirements

Allows referrals seeking services for relatives rather than the patient themselves - e.g. training or counselling for parents of a minor.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
10. ServiceRequest.extension:observationFocus.extension
Definition

An Extension

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control0..0*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
11. ServiceRequest.extension:observationFocus.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.focus
12. ServiceRequest.extension:observationFocus.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control10..1
TypeChoice of: Reference(Resource), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.extension.value[x]. The slices are unordered and Closed, and can be differentiated using the following discriminators:
  • type @ $this
13. ServiceRequest.extension:observationFocus.value[x]:valueReference
SliceNamevalueReference
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control0..1
TypeChoice of: Reference(PARelatedPerson), date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
14. ServiceRequest.modifierExtension
Definition

An Extension

May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

Control0..0*
TypeExtension
Is Modifiertrue
Summaryfalse
Requirements

Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
15. ServiceRequest.status
Definition

The status of the order.

Control1..1
BindingThe codes SHALL be taken from RequestStatus

The status of a service order.

Typecode
Is Modifiertrue
Must Supporttrue
Summarytrue
Comments

The status is generally fully in the control of the requester - they determine whether the order is draft or active and, after it has been activated, competed, cancelled or suspended. States relating to the activities of the performer are reflected on either the corresponding event (see Event Pattern for general discussion) or using the Task resource.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
16. ServiceRequest.intent
Definition

Whether the request is a proposal, plan, an original order or a reflex order.

Control1..1
BindingThe codes SHALL be taken from PA Referral IntentsThe codes SHALL be taken from RequestIntent
Typecode
Is Modifiertrue
Must Supporttrue
Summarytrue
Comments

This element is labeled as a modifier because the intent alters when and how the resource is actually applicable. Multiple codes are allowed to support situations where a Task might point to a filler order instead of an original. However, in almost all cases, the intent should be 'original-order' or just 'order'.

This element is labeled as a modifier because the intent alters when and how the resource is actually applicable.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
17. ServiceRequest.category
Definition

A code that classifies the service for searching, sorting and display purposes (e.g. "Surgical Procedure").

Control20..*
BindingFor example codes, see ServiceRequestCategoryCodes

Classification of the requested service.

TypeCodeableConcept
Summarytrue
Requirements

Used for filtering what service request are retrieved and displayed.

Comments

There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource. The level of granularity is defined by the category concepts in the value set.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.category. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • pattern @ $this
18. ServiceRequest.category:PA
SliceNamePA
Definition

A code that classifies the service for searching, sorting and display purposes (e.g. "Surgical Procedure").

Control10..1*
BindingFor example codes, see ServiceRequestCategoryCodes

Classification of the requested service.

TypeCodeableConcept
Must Supporttrue
Summarytrue
Requirements

Used for filtering what service request are retrieved and displayed.

Comments

There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource. The level of granularity is defined by the category concepts in the value set.

Pattern Value<valueCodeableConcept xmlns="http://hl7.org/fhir">
  <coding>
    <system value="http://hl7.org/fhir/us/physical-activity/CodeSystem/pa-temporary-codes"/>
    <code value="PhysicalActivity"/>
  </coding>
</valueCodeableConcept>
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
19. ServiceRequest.category:USCore
SliceNameUSCore
Definition

A code that classifies the service for searching, sorting and display purposes (e.g. "Surgical Procedure").

Control10..1*
BindingThe codes SHALL be taken from PA ServiceRequest Category - USCoreFor example codes, see ServiceRequestCategoryCodes
TypeCodeableConcept
Summarytrue
Requirements

Used for filtering what service request are retrieved and displayed.

Comments

There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource. The level of granularity is defined by the category concepts in the value set.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
20. ServiceRequest.priority
Definition

Indicates how quickly the ServiceRequest should be addressed with respect to other requests.

Control0..1
BindingThe codes SHALL be taken from RequestPriority

Identifies the level of importance to be assigned to actioning the request.

Typecode
Must Supporttrue
Summarytrue
Meaning if MissingIf missing, this task should be performed with normal priority
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
21. ServiceRequest.doNotPerform
Definition

Set this to true if the record is saying that the service/procedure should NOT be performed.

Control0..01
Typeboolean
Is Modifiertrue
Summarytrue
Requirements

Used for do not ambulate, do not elevate head of bed, do not flush NG tube, do not take blood pressure on a certain arm, etc.

Comments

In general, only the code and timeframe will be present, though occasional additional qualifiers such as body site or even performer could be included to narrow the scope of the prohibition. If the ServiceRequest.code and ServiceRequest.doNotPerform both contain negation, that will reinforce prohibition and should not have a double negative interpretation.

Meaning if MissingIf missing, the request is a positive request e.g. "do perform"
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
22. ServiceRequest.code
Definition

A code that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.

Control10..1
BindingThe codes SHALL be taken from PA ServiceRequest Intervention Codes; other codes may be used where these codes are not suitableFor example codes, see ProcedureCodes(SNOMEDCT)
TypeCodeableConcept
Must Supporttrue
Summarytrue
Alternate Namesservice requested
Comments

Many laboratory and radiology procedure codes embed the specimen/organ system in the test order name, for example, serum or serum/plasma glucose, or a chest x-ray. The specimen might not be recorded separately from the test code.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
23. ServiceRequest.subject
Definition

A reference from one resource to another.

On whom or what the service is to be performed. This is usually a human patient, but can also be requested on animals, groups of humans or animals, devices such as dialysis machines, or even locations (typically for environmental scans).

Control1..1
TypeReference(ReferenceRest)(USCorePatientProfile|Patient|Group|Location|Device)
Must Supporttrue
Summarytrue
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
24. ServiceRequest.occurrence[x]
Definition

The date/time at which the requested service should occur.

Control0..1
TypeChoice of: dateTime, Period, Timing
[x] NoteSee Choice of Data Types for further information about how to use [x]
Must Supporttrue
Summarytrue
Alternate Namesschedule
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.occurrence[x]. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • type @ $this
25. ServiceRequest.occurrence[x]:occurrencePeriod
SliceNameoccurrencePeriod
Definition

The date/time at which the requested service should occur.

Control0..1
TypeChoice of: Period, dateTime, Timing
[x] NoteSee Choice of Data Types for further information about how to use [x]
Must Supporttrue
Must Support TypesPerioddateTime
Summarytrue
Alternate Namesschedule
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
26. ServiceRequest.occurrence[x]:occurrencePeriod.start
Definition

The start of the period. The boundary is inclusive.

Control0..1 This element is affected by the following invariants: per-1
TypedateTime
Must Supporttrue
Summarytrue
Comments

If the low element is missing, the meaning is that the low boundary is not known.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
27. ServiceRequest.occurrence[x]:occurrencePeriod.end
Definition

The end of the period. If the end of the period is missing, it means no end was known or planned at the time the instance was created. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time.

Control0..1 This element is affected by the following invariants: per-1
TypedateTime
Must Supporttrue
Summarytrue
Comments

The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has an end value of 2012-02-03.

Meaning if MissingIf the end of the period is missing, it means that the period is ongoing
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
28. ServiceRequest.authoredOn
Definition

When the request transitioned to being actionable.

Control0..1
TypedateTime
Must Supporttrue
Summarytrue
Alternate NamesorderedOn
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
29. ServiceRequest.requester
Definition

A reference from one resource to another.

The individual who initiated the request and has responsibility for its activation.

Control0..1
TypeReference(ReferenceRestOrLogical)(USCorePractitionerProfile|USCorePractitionerRoleProfile|Practitioner|PractitionerRole|Organization|Patient|RelatedPerson|Device)
Must Supporttrue
Must Support TypesNo must-support rules about the choice of types/profiles
Summarytrue
Alternate Namesauthor, orderer
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

This not the dispatcher, but rather who is the authorizer. This element is not intended to handle delegation which would generally be managed through the Provenance resource.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
30. ServiceRequest.performer
Definition

A reference from one resource to another.

The desired performer for doing the requested service. For example, the surgeon, dermatopathologist, endoscopist, etc.

Control0..*
TypeReference(ReferenceRestOrLogical)(USCorePatientProfile|USCorePractitionerProfile|USCorePractitionerRoleProfile|USCoreOrganizationProfile|PARelatedPerson|Practitioner|PractitionerRole|Organization|CareTeam|HealthcareService|Patient|Device|RelatedPerson)
Must Supporttrue
Must Support TypesReference(USCorePatientProfile|USCorePractitionerProfile|USCorePractitionerRoleProfile|USCoreOrganizationProfile)
Summarytrue
Alternate Namesrequest recipient
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

If multiple performers are present, it is interpreted as a list of alternative performers without any preference regardless of order. If order of preference is needed use the request-performerOrder extension. Use CareTeam to represent a group of performers (for example, Practitioner A and Practitioner B).

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
31. ServiceRequest.reasonCode
Definition

An explanation or justification for why this service is being requested in coded or textual form. This is often for billing purposes. May relate to the resources referred to in supportingInfo.

Control0..*
BindingThe codes SHALL be taken from US Core Condition Code; other codes may be used where these codes are not suitableFor example codes, see ProcedureReasonCodes
TypeCodeableConcept
Must Supporttrue
Summarytrue
Comments

This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all. Use CodeableConcept.text element if the data is free (uncoded) text as shown in the CT Scan example.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
32. ServiceRequest.reasonCode.text
Definition

A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

Control0..1
Typestring
Must Supporttrue
Summarytrue
Requirements

The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

Comments

Very often the text is the same as a displayName of one of the codings.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
33. ServiceRequest.reasonReference
Definition

Indicates another resource that provides a justification for why this service is being requested. May relate to the resources referred to in supportingInfo.

Control0..*
TypeReference(Condition|Observation|DiagnosticReport|DocumentReference)
Summarytrue
Comments

This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all. To be as specific as possible, a reference to Observation or Condition should be used if available. Otherwise when referencing DiagnosticReport it should contain a finding in DiagnosticReport.conclusion and/or DiagnosticReport.conclusionCode. When using a reference to DocumentReference, the target document should contain clear findings language providing the relevant reason for this service request. Use the CodeableConcept text element in ServiceRequest.reasonCode if the data is free (uncoded) text as shown in the CT Scan example.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.reasonReference. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • profile @ resolve()
34. ServiceRequest.reasonReference:SupportedReasonReference
SliceNameSupportedReasonReference
Definition

Indicates another resource that provides a justification for why this service is being requested. May relate to the resources referred to in supportingInfo.

Control0..*
TypeReference(PAConditionLowPA|Condition|Observation|DiagnosticReport|DocumentReference)
Must Supporttrue
Summarytrue
Comments

This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all. To be as specific as possible, a reference to Observation or Condition should be used if available. Otherwise when referencing DiagnosticReport it should contain a finding in DiagnosticReport.conclusion and/or DiagnosticReport.conclusionCode. When using a reference to DocumentReference, the target document should contain clear findings language providing the relevant reason for this service request. Use the CodeableConcept text element in ServiceRequest.reasonCode if the data is free (uncoded) text as shown in the CT Scan example.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
35. ServiceRequest.supportingInfo
Definition

A reference from one resource to another.

Additional clinical information about the patient or specimen that may influence the services or their interpretations. This information includes diagnosis, clinical findings and other observations. In laboratory ordering these are typically referred to as "ask at order entry questions (AOEs)". This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example, reporting the amount of inspired oxygen for blood gas measurements.

Control0..*
TypeReference(ReferenceRest)(Resource)
Summaryfalse
Alternate NamesAsk at order entry question, AOE
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

To represent information about how the services are to be delivered use the instructions element.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.supportingInfo. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • profile @ resolve()
36. ServiceRequest.supportingInfo:SupportedSupportingInfo
SliceNameSupportedSupportingInfo
Definition

A reference from one resource to another.

Additional clinical information about the patient or specimen that may influence the services or their interpretations. This information includes diagnosis, clinical findings and other observations. In laboratory ordering these are typically referred to as "ask at order entry questions (AOEs)". This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example, reporting the amount of inspired oxygen for blood gas measurements.

Control0..*
TypeReference(ReferenceRest)(PAObservationEVS|Resource)
Must Supporttrue
Summaryfalse
Alternate NamesAsk at order entry question, AOE
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

To represent information about how the services are to be delivered use the instructions element.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
37. ServiceRequest.specimen
Definition

One or more specimens that the laboratory procedure will use.

Control0..0*
TypeReference(Specimen)
Summarytrue
Comments

Many diagnostic procedures need a specimen, but the request itself is not actually about the specimen. This element is for when the diagnostic is requested on already existing specimens and the request points to the specimen it applies to. Conversely, if the request is entered first with an unknown specimen, then the Specimen resource points to the ServiceRequest.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))

Guidance on how to interpret the contents of this table can be found here.

1. ServiceRequest
Definition

Represents orders and referrals for interventions that help to improve or maintain a patient's level of physical activity

Control0..*
Summaryfalse
Alternate Namesdiagnostic request, referral, referral request, transfer of care request
2. ServiceRequest.id
Definition

The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.

Control0..1
Typeid
Summarytrue
Comments

The only time that a resource does not have an id is when it is being submitted to the server using a create operation.

3. ServiceRequest.meta
Definition

The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

Control0..1
TypeMeta
Summarytrue
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
4. ServiceRequest.implicitRules
Definition

A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

Control0..0
Typeuri
Is Modifiertrue
Summarytrue
Comments

Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
5. ServiceRequest.language
Definition

The base language in which the resource is written.

Control0..1
BindingThe codes SHOULD be taken from CommonLanguages A human language
Additional BindingsPurpose
AllLanguagesMax Binding
Typecode
Summaryfalse
Comments

Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
6. ServiceRequest.text
Definition

A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.

Control0..1
TypeNarrative
Summaryfalse
Alternate Namesnarrative, html, xhtml, display
Comments

Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
7. ServiceRequest.contained
Definition

These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.

Control0..*
TypeResource
Summaryfalse
Alternate Namesinline resources, anonymous resources, contained resources
Comments

This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.

8. ServiceRequest.extension
Definition

An Extension

Control0..*
TypeExtension
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
9. ServiceRequest.extension:pertainsToGoal
SliceNamepertainsToGoal
Definition

Indicates that the resource is related to either the measurement, achievement or progress towards the referenced goal. For example, a Procedure to exercise pertainsToGoal of losing weight.

Control0..* This element is affected by the following invariants: ele-1
TypeExtension(pertainsToGoal) (Extension Type: Reference(Goal))
Must Supporttrue
Requirements

Allows linking a referral or exercise prescription to the goal(s) it's trying to address

Comments

This extension is limited to subject-specific activity-related resources (events & intents). I.e. This can't be put on Goal or Patient. This association isn't for the purpose of goal management, but for things such as noting that a particular observation result, prescription or other activity is pertinent to the achievement (or possibly non-achievement) of the referenced goal.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
10. ServiceRequest.extension:pertainsToGoal.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
11. ServiceRequest.extension:pertainsToGoal.extension
Definition

An Extension

Control0..0
TypeExtension
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
12. ServiceRequest.extension:pertainsToGoal.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/StructureDefinition/resource-pertainsToGoal
13. ServiceRequest.extension:pertainsToGoal.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control1..1
TypeReference(Goal)
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.extension.value[x]. The slices are unordered and Closed, and can be differentiated using the following discriminators:
  • type @ $this
14. ServiceRequest.extension:pertainsToGoal.value[x]:valueReference
SliceNamevalueReference
Definition

A reference from one resource to another.

Control1..1
TypeReference(ReferenceRest)(PAGoal)
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
15. ServiceRequest.extension:observationFocus
SliceNameobservationFocus
Definition

An Extension

Control0..1 This element is affected by the following invariants: ele-1
TypeExtension(Extension-5.0-Observation.focus) (Extension Type: Reference(Resource))
Requirements

Allows referrals seeking services for relatives rather than the patient themselves - e.g. training or counselling for parents of a minor.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
16. ServiceRequest.extension:observationFocus.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
17. ServiceRequest.extension:observationFocus.extension
Definition

An Extension

Control0..0
TypeExtension
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.extension.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
18. ServiceRequest.extension:observationFocus.url
Definition

Source of the definition for the extension code - a logical name or a URL.

Control1..1
Typeuri
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
Comments

The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.

Fixed Valuehttp://hl7.org/fhir/5.0/StructureDefinition/extension-Observation.focus
19. ServiceRequest.extension:observationFocus.value[x]
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control1..1
TypeReference(Resource)
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.extension.value[x]. The slices are unordered and Closed, and can be differentiated using the following discriminators:
  • type @ $this
20. ServiceRequest.extension:observationFocus.value[x]:valueReference
SliceNamevalueReference
Definition

Value of extension - must be one of a constrained set of the data types (see Extensibility for a list).

Control0..1
TypeReference(PARelatedPerson)
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
21. ServiceRequest.modifierExtension
Definition

An Extension

Control0..0
TypeExtension
Is Modifiertrue
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
22. ServiceRequest.identifier
Definition

Identifiers assigned to this order instance by the orderer and/or the receiver and/or order fulfiller.

NoteThis is a business identifier, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
Summarytrue
Comments

The identifier.type element is used to distinguish between the identifiers assigned by the orderer (known as the 'Placer' in HL7 v2) and the producer of the observations in response to the order (known as the 'Filler' in HL7 v2). For further discussion and examples see the resource notes section below.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
23. ServiceRequest.instantiatesCanonical
Definition

The URL pointing to a FHIR-defined protocol, guideline, orderset or other definition that is adhered to in whole or in part by this ServiceRequest.

Control0..*
Typecanonical(ActivityDefinition|PlanDefinition)
Summarytrue
Comments

Note: This is a business identifier, not a resource identifier (see discussion). It is best practice for the identifier to only appear on a single resource instance, however business practices may occasionally dictate that multiple resource instances with the same identifier can exist - possibly even with different resource types. For example, multiple Patient and a Person resource instance might share the same social insurance number.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
24. ServiceRequest.instantiatesUri
Definition

The URL pointing to an externally maintained protocol, guideline, orderset or other definition that is adhered to in whole or in part by this ServiceRequest.

Control0..*
Typeuri
Summarytrue
Comments

This might be an HTML page, PDF, etc. or could just be a non-resolvable URI identifier.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
25. ServiceRequest.basedOn
Definition

Plan/proposal/order fulfilled by this request.

Control0..*
TypeReference(CarePlan|ServiceRequest|MedicationRequest)
Summarytrue
Alternate Namesfulfills
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
26. ServiceRequest.replaces
Definition

The request takes the place of the referenced completed or terminated request(s).

Control0..*
TypeReference(ServiceRequest)
Summarytrue
Alternate Namessupersedes, prior, renewed order
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
27. ServiceRequest.requisition
Definition

A shared identifier common to all service requests that were authorized more or less simultaneously by a single author, representing the composite or group identifier.

Control0..1
TypeIdentifier
Summarytrue
Requirements

Some business processes need to know if multiple items were ordered as part of the same "requisition" for billing or other purposes.

Alternate NamesgrouperId, groupIdentifier
Comments

Requests are linked either by a "basedOn" relationship (i.e. one request is fulfilling another) or by having a common requisition. Requests that are part of the same requisition are generally treated independently from the perspective of changing their state or maintaining them after initial creation.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
28. ServiceRequest.status
Definition

The status of the order.

Control1..1
BindingThe codes SHALL be taken from RequestStatus The status of a service order
Typecode
Is Modifiertrue
Must Supporttrue
Summarytrue
Comments

The status is generally fully in the control of the requester - they determine whether the order is draft or active and, after it has been activated, competed, cancelled or suspended. States relating to the activities of the performer are reflected on either the corresponding event (see Event Pattern for general discussion) or using the Task resource.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
29. ServiceRequest.intent
Definition

Whether the request is a proposal, plan, an original order or a reflex order.

Control1..1
BindingThe codes SHALL be taken from PA Referral Intents
Typecode
Is Modifiertrue
Must Supporttrue
Summarytrue
Comments

This element is labeled as a modifier because the intent alters when and how the resource is actually applicable. Multiple codes are allowed to support situations where a Task might point to a filler order instead of an original. However, in almost all cases, the intent should be 'original-order' or just 'order'.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
30. ServiceRequest.category
Definition

A code that classifies the service for searching, sorting and display purposes (e.g. "Surgical Procedure").

Control2..*
BindingFor example codes, see ServiceRequestCategoryCodes Classification of the requested service
TypeCodeableConcept
Summarytrue
Requirements

Used for filtering what service request are retrieved and displayed.

Comments

There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource. The level of granularity is defined by the category concepts in the value set.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.category. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • pattern @ $this
31. ServiceRequest.category:PA
SliceNamePA
Definition

A code that classifies the service for searching, sorting and display purposes (e.g. "Surgical Procedure").

Control1..1
BindingFor example codes, see ServiceRequestCategoryCodes Classification of the requested service
TypeCodeableConcept
Must Supporttrue
Summarytrue
Requirements

Used for filtering what service request are retrieved and displayed.

Comments

There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource. The level of granularity is defined by the category concepts in the value set.

Pattern Value<valueCodeableConcept xmlns="http://hl7.org/fhir">
  <coding>
    <system value="http://hl7.org/fhir/us/physical-activity/CodeSystem/pa-temporary-codes"/>
    <code value="PhysicalActivity"/>
  </coding>
</valueCodeableConcept>
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
32. ServiceRequest.category:USCore
SliceNameUSCore
Definition

A code that classifies the service for searching, sorting and display purposes (e.g. "Surgical Procedure").

Control1..1
BindingThe codes SHALL be taken from PA ServiceRequest Category - USCore
TypeCodeableConcept
Summarytrue
Requirements

Used for filtering what service request are retrieved and displayed.

Comments

There may be multiple axis of categorization depending on the context or use case for retrieving or displaying the resource. The level of granularity is defined by the category concepts in the value set.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
33. ServiceRequest.priority
Definition

Indicates how quickly the ServiceRequest should be addressed with respect to other requests.

Control0..1
BindingThe codes SHALL be taken from RequestPriority Identifies the level of importance to be assigned to actioning the request
Typecode
Must Supporttrue
Summarytrue
Meaning if MissingIf missing, this task should be performed with normal priority
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
34. ServiceRequest.doNotPerform
Definition

Set this to true if the record is saying that the service/procedure should NOT be performed.

Control0..0
Typeboolean
Is Modifiertrue
Summarytrue
Requirements

Used for do not ambulate, do not elevate head of bed, do not flush NG tube, do not take blood pressure on a certain arm, etc.

Comments

In general, only the code and timeframe will be present, though occasional additional qualifiers such as body site or even performer could be included to narrow the scope of the prohibition. If the ServiceRequest.code and ServiceRequest.doNotPerform both contain negation, that will reinforce prohibition and should not have a double negative interpretation.

Meaning if MissingIf missing, the request is a positive request e.g. "do perform"
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
35. ServiceRequest.code
Definition

A code that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested.

Control1..1
BindingThe codes SHALL be taken from PA ServiceRequest Intervention Codes; other codes may be used where these codes are not suitable
TypeCodeableConcept
Must Supporttrue
Summarytrue
Alternate Namesservice requested
Comments

Many laboratory and radiology procedure codes embed the specimen/organ system in the test order name, for example, serum or serum/plasma glucose, or a chest x-ray. The specimen might not be recorded separately from the test code.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
36. ServiceRequest.orderDetail
Definition

Additional details and instructions about the how the services are to be delivered. For example, and order for a urinary catheter may have an order detail for an external or indwelling catheter, or an order for a bandage may require additional instructions specifying how the bandage should be applied.

Control0..* This element is affected by the following invariants: prr-1
BindingFor example codes, see ServiceRequestOrderDetailsCodes Codified order entry details which are based on order context
TypeCodeableConcept
Summarytrue
Alternate Namesdetailed instructions
Comments

For information from the medical record intended to support the delivery of the requested services, use the supportingInformation element.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
37. ServiceRequest.quantity[x]
Definition

An amount of service being requested which can be a quantity ( for example $1,500 home modification), a ratio ( for example, 20 half day visits per month), or a range (2.0 to 1.8 Gy per fraction).

Control0..1
TypeChoice of: Quantity, Ratio, Range
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summarytrue
Requirements

When ordering a service the number of service items may need to be specified separately from the the service item.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
38. ServiceRequest.subject
Definition

A reference from one resource to another.

Control1..1
TypeReference(ReferenceRest)(USCorePatientProfile)
Must Supporttrue
Summarytrue
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
39. ServiceRequest.encounter
Definition

An encounter that provides additional information about the healthcare context in which this request is made.

Control0..1
TypeReference(Encounter)
Summarytrue
Alternate Namescontext
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
40. ServiceRequest.occurrence[x]
Definition

The date/time at which the requested service should occur.

Control0..1
TypeChoice of: dateTime, Period, Timing
[x] NoteSee Choice of Data Types for further information about how to use [x]
Must Supporttrue
Summarytrue
Alternate Namesschedule
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.occurrence[x]. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • type @ $this
41. ServiceRequest.occurrence[x]:occurrencePeriod
SliceNameoccurrencePeriod
Definition

The date/time at which the requested service should occur.

Control0..1
TypePeriod
[x] NoteSee Choice of Data Types for further information about how to use [x]
Must Supporttrue
Must Support TypesPeriod
Summarytrue
Alternate Namesschedule
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
42. ServiceRequest.occurrence[x]:occurrencePeriod.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
43. ServiceRequest.occurrence[x]:occurrencePeriod.extension
Definition

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control0..*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.occurrence[x].extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
44. ServiceRequest.occurrence[x]:occurrencePeriod.start
Definition

The start of the period. The boundary is inclusive.

Control0..1 This element is affected by the following invariants: per-1
TypedateTime
Must Supporttrue
Summarytrue
Comments

If the low element is missing, the meaning is that the low boundary is not known.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
45. ServiceRequest.occurrence[x]:occurrencePeriod.end
Definition

The end of the period. If the end of the period is missing, it means no end was known or planned at the time the instance was created. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time.

Control0..1 This element is affected by the following invariants: per-1
TypedateTime
Must Supporttrue
Summarytrue
Comments

The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has an end value of 2012-02-03.

Meaning if MissingIf the end of the period is missing, it means that the period is ongoing
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
46. ServiceRequest.asNeeded[x]
Definition

If a CodeableConcept is present, it indicates the pre-condition for performing the service. For example "pain", "on flare-up", etc.

Control0..1
BindingFor example codes, see SNOMEDCTMedicationAsNeededReasonCodes A coded concept identifying the pre-condition that should hold prior to performing a procedure. For example "pain", "on flare-up", etc
TypeChoice of: boolean, CodeableConcept
[x] NoteSee Choice of Data Types for further information about how to use [x]
Summarytrue
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
47. ServiceRequest.authoredOn
Definition

When the request transitioned to being actionable.

Control0..1
TypedateTime
Must Supporttrue
Summarytrue
Alternate NamesorderedOn
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
48. ServiceRequest.requester
Definition

A reference from one resource to another.

Control0..1
TypeReference(ReferenceRestOrLogical)(USCorePractitionerProfile|USCorePractitionerRoleProfile)
Must Supporttrue
Must Support TypesNo must-support rules about the choice of types/profiles
Summarytrue
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
49. ServiceRequest.performerType
Definition

Desired type of performer for doing the requested service.

Control0..1
BindingFor example codes, see ParticipantRoles Indicates specific responsibility of an individual within the care team, such as "Primary physician", "Team coordinator", "Caregiver", etc
TypeCodeableConcept
Summarytrue
Alternate Namesspecialty
Comments

This is a role, not a participation type. In other words, does not describe the task but describes the capacity. For example, “compounding pharmacy”, “psychiatrist” or “internal referral”.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
50. ServiceRequest.performer
Definition

A reference from one resource to another.

Control0..*
TypeReference(ReferenceRestOrLogical)(USCorePatientProfile|USCorePractitionerProfile|USCorePractitionerRoleProfile|USCoreOrganizationProfile|PARelatedPerson)
Must Supporttrue
Must Support TypesReference(USCorePatientProfile|USCorePractitionerProfile|USCorePractitionerRoleProfile|USCoreOrganizationProfile)
Summarytrue
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
51. ServiceRequest.locationCode
Definition

The preferred location(s) where the procedure should actually happen in coded or free text form. E.g. at home or nursing day care center.

Control0..*
BindingFor example codes, see ServiceDeliveryLocationRoleType A location type where services are delivered
TypeCodeableConcept
Summarytrue
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
52. ServiceRequest.locationReference
Definition

A reference to the the preferred location(s) where the procedure should actually happen. E.g. at home or nursing day care center.

Control0..*
TypeReference(Location)
Summarytrue
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
53. ServiceRequest.reasonCode
Definition

An explanation or justification for why this service is being requested in coded or textual form. This is often for billing purposes. May relate to the resources referred to in supportingInfo.

Control0..*
BindingThe codes SHALL be taken from US Core Condition Code; other codes may be used where these codes are not suitable
TypeCodeableConcept
Must Supporttrue
Summarytrue
Comments

This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all. Use CodeableConcept.text element if the data is free (uncoded) text as shown in the CT Scan example.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
54. ServiceRequest.reasonCode.id
Definition

Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

Control0..1
Typestring
XML RepresentationIn the XML format, this property is represented as an attribute.
Summaryfalse
55. ServiceRequest.reasonCode.extension
Definition

May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

Control0..*
TypeExtension
Summaryfalse
Alternate Namesextensions, user content
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (: extension.exists() != value.exists())
SlicingThis element introduces a set of slices on ServiceRequest.reasonCode.extension. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • value @ url
56. ServiceRequest.reasonCode.coding
Definition

A reference to a code defined by a terminology system.

Control0..*
TypeCoding
Summarytrue
Requirements

Allows for alternative encodings within a code system, and translations to other code systems.

Comments

Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information. Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
57. ServiceRequest.reasonCode.text
Definition

A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user.

Control0..1
Typestring
Must Supporttrue
Summarytrue
Requirements

The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source.

Comments

Very often the text is the same as a displayName of one of the codings.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
58. ServiceRequest.reasonReference
Definition

Indicates another resource that provides a justification for why this service is being requested. May relate to the resources referred to in supportingInfo.

Control0..*
TypeReference(Condition|Observation|DiagnosticReport|DocumentReference)
Summarytrue
Comments

This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all. To be as specific as possible, a reference to Observation or Condition should be used if available. Otherwise when referencing DiagnosticReport it should contain a finding in DiagnosticReport.conclusion and/or DiagnosticReport.conclusionCode. When using a reference to DocumentReference, the target document should contain clear findings language providing the relevant reason for this service request. Use the CodeableConcept text element in ServiceRequest.reasonCode if the data is free (uncoded) text as shown in the CT Scan example.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.reasonReference. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • profile @ resolve()
59. ServiceRequest.reasonReference:SupportedReasonReference
SliceNameSupportedReasonReference
Definition

Indicates another resource that provides a justification for why this service is being requested. May relate to the resources referred to in supportingInfo.

Control0..*
TypeReference(PAConditionLowPA)
Must Supporttrue
Summarytrue
Comments

This element represents why the referral is being made and may be used to decide how the service will be performed, or even if it will be performed at all. To be as specific as possible, a reference to Observation or Condition should be used if available. Otherwise when referencing DiagnosticReport it should contain a finding in DiagnosticReport.conclusion and/or DiagnosticReport.conclusionCode. When using a reference to DocumentReference, the target document should contain clear findings language providing the relevant reason for this service request. Use the CodeableConcept text element in ServiceRequest.reasonCode if the data is free (uncoded) text as shown in the CT Scan example.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
60. ServiceRequest.insurance
Definition

Insurance plans, coverage extensions, pre-authorizations and/or pre-determinations that may be needed for delivering the requested service.

Control0..*
TypeReference(Coverage|ClaimResponse)
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
61. ServiceRequest.supportingInfo
Definition

A reference from one resource to another.

Control0..*
TypeReference(ReferenceRest)(Resource)
Summaryfalse
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
SlicingThis element introduces a set of slices on ServiceRequest.supportingInfo. The slices are unordered and Open, and can be differentiated using the following discriminators:
  • profile @ resolve()
62. ServiceRequest.supportingInfo:SupportedSupportingInfo
SliceNameSupportedSupportingInfo
Definition

A reference from one resource to another.

Control0..*
TypeReference(ReferenceRest)(PAObservationEVS)
Must Supporttrue
Summaryfalse
Comments

References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository. A variety of resources might provide support for asserting this condition, however at minimum, systems must support the Physical Activity Vital Sign observations.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
63. ServiceRequest.specimen
Definition

One or more specimens that the laboratory procedure will use.

Control0..0
TypeReference(Specimen)
Summarytrue
Comments

Many diagnostic procedures need a specimen, but the request itself is not actually about the specimen. This element is for when the diagnostic is requested on already existing specimens and the request points to the specimen it applies to. Conversely, if the request is entered first with an unknown specimen, then the Specimen resource points to the ServiceRequest.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
64. ServiceRequest.bodySite
Definition

Anatomic location where the procedure should be performed. This is the target site.

Control0..*
BindingFor example codes, see SNOMEDCTBodyStructures Codes describing anatomical locations. May include laterality
TypeCodeableConcept
Summarytrue
Requirements

Knowing where the procedure is performed is important for tracking if multiple sites are possible.

Alternate Nameslocation
Comments

Only used if not implicit in the code found in ServiceRequest.code. If the use case requires BodySite to be handled as a separate resource instead of an inline coded element (e.g. to identify and track separately) then use the standard extension procedure-targetBodyStructure.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
65. ServiceRequest.note
Definition

Any other notes and comments made about the service request. For example, internal billing notes.

Control0..*
TypeAnnotation
Summaryfalse
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
66. ServiceRequest.patientInstruction
Definition

Instructions in terms that are understood by the patient or consumer.

Control0..1
Typestring
Summarytrue
InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))
67. ServiceRequest.relevantHistory
Definition

Key events in the history of the request.

Control0..*
TypeReference(Provenance)
Summaryfalse
Comments

This might not include provenances for all versions of the request – only those deemed “relevant” or important. This SHALL NOT include the Provenance associated with this current version of the resource. (If that provenance is deemed to be a “relevant” change, it will need to be added as part of a later update. Until then, it can be queried directly as the Provenance that points to this version using _revinclude All Provenances should have some historical version of this Request as their subject.

InvariantsDefined on this element
ele-1: All FHIR elements must have a @value or children (: hasValue() or (children().count() > id.count()))