Lookup for R2OperationParameterTypeForR5

Extensions for Using Data Elements from FHIR DSTU2 in FHIR R5 - Downloaded Version null See the Directory of published versions

Lookup for FHIR DSTU2 ValueSet Parameter Types used in Operation Definitions:`http://hl7.org/fhir/ValueSet/operation-parameter-type` for use in FHIR R5

The FHIR DSTU2 ValueSet Parameter Types used in Operation Definitions has no mapping to FHIR R5.

Source System Code Display Has XVer Target System Code Display

http://hl7.org/fhir/data-types Address Address Yes

http://hl7.org/fhir/data-types Age Age Yes

http://hl7.org/fhir/data-types Annotation Annotation Yes

http://hl7.org/fhir/data-types Attachment Attachment Yes

http://hl7.org/fhir/data-types BackboneElement BackboneElement Yes

http://hl7.org/fhir/data-types CodeableConcept CodeableConcept Yes

http://hl7.org/fhir/data-types Coding Coding Yes

http://hl7.org/fhir/data-types ContactPoint ContactPoint Yes

http://hl7.org/fhir/data-types Count Count Yes

http://hl7.org/fhir/data-types Distance Distance Yes

http://hl7.org/fhir/data-types Duration Duration Yes

http://hl7.org/fhir/data-types Element Element Yes

http://hl7.org/fhir/data-types ElementDefinition ElementDefinition Yes

http://hl7.org/fhir/data-types Extension Extension Yes

http://hl7.org/fhir/data-types HumanName HumanName Yes

http://hl7.org/fhir/data-types Identifier Identifier Yes

http://hl7.org/fhir/data-types Meta Meta Yes

http://hl7.org/fhir/data-types Money Money Yes

http://hl7.org/fhir/data-types Narrative Narrative Yes

http://hl7.org/fhir/data-types Period Period Yes

http://hl7.org/fhir/data-types Quantity Quantity Yes

http://hl7.org/fhir/data-types Range Range Yes

http://hl7.org/fhir/data-types Ratio Ratio Yes

http://hl7.org/fhir/data-types Reference Reference Yes

http://hl7.org/fhir/data-types SampledData SampledData Yes

http://hl7.org/fhir/data-types Signature Signature Yes

http://hl7.org/fhir/data-types SimpleQuantity SimpleQuantity Yes

http://hl7.org/fhir/data-types Timing Timing Yes

http://hl7.org/fhir/data-types base64Binary base64Binary Yes

http://hl7.org/fhir/data-types boolean boolean Yes

http://hl7.org/fhir/data-types code code Yes

http://hl7.org/fhir/data-types date date Yes

http://hl7.org/fhir/data-types dateTime dateTime Yes

http://hl7.org/fhir/data-types decimal decimal Yes

http://hl7.org/fhir/data-types id id Yes

http://hl7.org/fhir/data-types instant instant Yes

http://hl7.org/fhir/data-types integer integer Yes

http://hl7.org/fhir/data-types markdown markdown Yes

http://hl7.org/fhir/data-types oid oid Yes

http://hl7.org/fhir/data-types positiveInt positiveInt Yes

http://hl7.org/fhir/data-types string string Yes

http://hl7.org/fhir/data-types time time Yes

http://hl7.org/fhir/data-types unsignedInt unsignedInt Yes

http://hl7.org/fhir/data-types uri uri Yes

http://hl7.org/fhir/data-types uuid uuid Yes

http://hl7.org/fhir/data-types xhtml XHTML Yes

http://hl7.org/fhir/resource-types Account Account Yes

http://hl7.org/fhir/resource-types AllergyIntolerance AllergyIntolerance Yes

http://hl7.org/fhir/resource-types Appointment Appointment Yes

http://hl7.org/fhir/resource-types AppointmentResponse AppointmentResponse Yes

http://hl7.org/fhir/resource-types AuditEvent AuditEvent Yes

http://hl7.org/fhir/resource-types Basic Basic Yes

http://hl7.org/fhir/resource-types Binary Binary Yes

http://hl7.org/fhir/resource-types BodySite BodySite Yes

http://hl7.org/fhir/resource-types Bundle Bundle Yes

http://hl7.org/fhir/resource-types CarePlan CarePlan Yes

http://hl7.org/fhir/resource-types Claim Claim Yes

http://hl7.org/fhir/resource-types ClaimResponse ClaimResponse Yes

http://hl7.org/fhir/resource-types ClinicalImpression ClinicalImpression Yes

http://hl7.org/fhir/resource-types Communication Communication Yes

http://hl7.org/fhir/resource-types CommunicationRequest CommunicationRequest Yes

http://hl7.org/fhir/resource-types Composition Composition Yes

http://hl7.org/fhir/resource-types ConceptMap ConceptMap Yes

http://hl7.org/fhir/resource-types Condition Condition Yes

http://hl7.org/fhir/resource-types Conformance Conformance Yes

http://hl7.org/fhir/resource-types Contract Contract Yes

http://hl7.org/fhir/resource-types Coverage Coverage Yes

http://hl7.org/fhir/resource-types DataElement DataElement Yes

http://hl7.org/fhir/resource-types DetectedIssue DetectedIssue Yes

http://hl7.org/fhir/resource-types Device Device Yes

http://hl7.org/fhir/resource-types DeviceComponent DeviceComponent Yes

http://hl7.org/fhir/resource-types DeviceMetric DeviceMetric Yes

http://hl7.org/fhir/resource-types DeviceUseRequest DeviceUseRequest Yes

http://hl7.org/fhir/resource-types DeviceUseStatement DeviceUseStatement Yes

http://hl7.org/fhir/resource-types DiagnosticOrder DiagnosticOrder Yes

http://hl7.org/fhir/resource-types DiagnosticReport DiagnosticReport Yes

http://hl7.org/fhir/resource-types DocumentManifest DocumentManifest Yes

http://hl7.org/fhir/resource-types DocumentReference DocumentReference Yes

http://hl7.org/fhir/resource-types DomainResource DomainResource Yes

http://hl7.org/fhir/resource-types EligibilityRequest EligibilityRequest Yes

http://hl7.org/fhir/resource-types EligibilityResponse EligibilityResponse Yes

http://hl7.org/fhir/resource-types Encounter Encounter Yes

http://hl7.org/fhir/resource-types EnrollmentRequest EnrollmentRequest Yes

http://hl7.org/fhir/resource-types EnrollmentResponse EnrollmentResponse Yes

http://hl7.org/fhir/resource-types EpisodeOfCare EpisodeOfCare Yes

http://hl7.org/fhir/resource-types ExplanationOfBenefit ExplanationOfBenefit Yes

http://hl7.org/fhir/resource-types FamilyMemberHistory FamilyMemberHistory Yes

http://hl7.org/fhir/resource-types Flag Flag Yes

http://hl7.org/fhir/resource-types Goal Goal Yes

http://hl7.org/fhir/resource-types Group Group Yes

http://hl7.org/fhir/resource-types HealthcareService HealthcareService Yes

http://hl7.org/fhir/resource-types ImagingObjectSelection ImagingObjectSelection Yes

http://hl7.org/fhir/resource-types ImagingStudy ImagingStudy Yes

http://hl7.org/fhir/resource-types Immunization Immunization Yes

http://hl7.org/fhir/resource-types ImmunizationRecommendation ImmunizationRecommendation Yes

http://hl7.org/fhir/resource-types ImplementationGuide ImplementationGuide Yes

http://hl7.org/fhir/resource-types List List Yes

http://hl7.org/fhir/resource-types Location Location Yes

http://hl7.org/fhir/resource-types Media Media Yes

http://hl7.org/fhir/resource-types Medication Medication Yes

http://hl7.org/fhir/resource-types MedicationAdministration MedicationAdministration Yes

http://hl7.org/fhir/resource-types MedicationDispense MedicationDispense Yes

http://hl7.org/fhir/resource-types MedicationOrder MedicationOrder Yes

http://hl7.org/fhir/resource-types MedicationStatement MedicationStatement Yes

http://hl7.org/fhir/resource-types MessageHeader MessageHeader Yes

http://hl7.org/fhir/resource-types NamingSystem NamingSystem Yes

http://hl7.org/fhir/resource-types NutritionOrder NutritionOrder Yes

http://hl7.org/fhir/resource-types Observation Observation Yes

http://hl7.org/fhir/resource-types OperationDefinition OperationDefinition Yes

http://hl7.org/fhir/resource-types OperationOutcome OperationOutcome Yes

http://hl7.org/fhir/resource-types Order Order Yes

http://hl7.org/fhir/resource-types OrderResponse OrderResponse Yes

http://hl7.org/fhir/resource-types Organization Organization Yes

http://hl7.org/fhir/resource-types Parameters Parameters Yes

http://hl7.org/fhir/resource-types Patient Patient Yes

http://hl7.org/fhir/resource-types PaymentNotice PaymentNotice Yes

http://hl7.org/fhir/resource-types PaymentReconciliation PaymentReconciliation Yes

http://hl7.org/fhir/resource-types Person Person Yes

http://hl7.org/fhir/resource-types Practitioner Practitioner Yes

http://hl7.org/fhir/resource-types Procedure Procedure Yes

http://hl7.org/fhir/resource-types ProcedureRequest ProcedureRequest Yes

http://hl7.org/fhir/resource-types ProcessRequest ProcessRequest Yes

http://hl7.org/fhir/resource-types ProcessResponse ProcessResponse Yes

http://hl7.org/fhir/resource-types Provenance Provenance Yes

http://hl7.org/fhir/resource-types Questionnaire Questionnaire Yes

http://hl7.org/fhir/resource-types QuestionnaireResponse QuestionnaireResponse Yes

http://hl7.org/fhir/resource-types ReferralRequest ReferralRequest Yes

http://hl7.org/fhir/resource-types RelatedPerson RelatedPerson Yes

http://hl7.org/fhir/resource-types Resource Resource Yes

http://hl7.org/fhir/resource-types RiskAssessment RiskAssessment Yes

http://hl7.org/fhir/resource-types Schedule Schedule Yes

http://hl7.org/fhir/resource-types SearchParameter SearchParameter Yes

http://hl7.org/fhir/resource-types Slot Slot Yes

http://hl7.org/fhir/resource-types Specimen Specimen Yes

http://hl7.org/fhir/resource-types StructureDefinition StructureDefinition Yes

http://hl7.org/fhir/resource-types Subscription Subscription Yes

http://hl7.org/fhir/resource-types Substance Substance Yes

http://hl7.org/fhir/resource-types SupplyDelivery SupplyDelivery Yes

http://hl7.org/fhir/resource-types SupplyRequest SupplyRequest Yes

http://hl7.org/fhir/resource-types TestScript TestScript Yes

http://hl7.org/fhir/resource-types ValueSet ValueSet Yes

http://hl7.org/fhir/resource-types VisionPrescription VisionPrescription Yes

http://hl7.org/fhir/search-param-type composite Composite Yes

http://hl7.org/fhir/search-param-type date Date/DateTime Yes

http://hl7.org/fhir/search-param-type number Number Yes

http://hl7.org/fhir/search-param-type quantity Quantity Yes

http://hl7.org/fhir/search-param-type reference Reference Yes

http://hl7.org/fhir/search-param-type string String Yes

http://hl7.org/fhir/search-param-type token Token Yes

http://hl7.org/fhir/search-param-type uri URI Yes

Source System	Code	Display	Has XVer
`http://hl7.org/fhir/data-types`	`Address`	Address	Yes
`http://hl7.org/fhir/data-types`	`Age`	Age	Yes
`http://hl7.org/fhir/data-types`	`Annotation`	Annotation	Yes
`http://hl7.org/fhir/data-types`	`Attachment`	Attachment	Yes
`http://hl7.org/fhir/data-types`	`BackboneElement`	BackboneElement	Yes
`http://hl7.org/fhir/data-types`	`CodeableConcept`	CodeableConcept	Yes
`http://hl7.org/fhir/data-types`	`Coding`	Coding	Yes
`http://hl7.org/fhir/data-types`	`ContactPoint`	ContactPoint	Yes
`http://hl7.org/fhir/data-types`	`Count`	Count	Yes
`http://hl7.org/fhir/data-types`	`Distance`	Distance	Yes
`http://hl7.org/fhir/data-types`	`Duration`	Duration	Yes
`http://hl7.org/fhir/data-types`	`Element`	Element	Yes
`http://hl7.org/fhir/data-types`	`ElementDefinition`	ElementDefinition	Yes
`http://hl7.org/fhir/data-types`	`Extension`	Extension	Yes
`http://hl7.org/fhir/data-types`	`HumanName`	HumanName	Yes
`http://hl7.org/fhir/data-types`	`Identifier`	Identifier	Yes
`http://hl7.org/fhir/data-types`	`Meta`	Meta	Yes
`http://hl7.org/fhir/data-types`	`Money`	Money	Yes
`http://hl7.org/fhir/data-types`	`Narrative`	Narrative	Yes
`http://hl7.org/fhir/data-types`	`Period`	Period	Yes
`http://hl7.org/fhir/data-types`	`Quantity`	Quantity	Yes
`http://hl7.org/fhir/data-types`	`Range`	Range	Yes
`http://hl7.org/fhir/data-types`	`Ratio`	Ratio	Yes
`http://hl7.org/fhir/data-types`	`Reference`	Reference	Yes
`http://hl7.org/fhir/data-types`	`SampledData`	SampledData	Yes
`http://hl7.org/fhir/data-types`	`Signature`	Signature	Yes
`http://hl7.org/fhir/data-types`	`SimpleQuantity`	SimpleQuantity	Yes
`http://hl7.org/fhir/data-types`	`Timing`	Timing	Yes
`http://hl7.org/fhir/data-types`	`base64Binary`	base64Binary	Yes
`http://hl7.org/fhir/data-types`	`boolean`	boolean	Yes
`http://hl7.org/fhir/data-types`	`code`	code	Yes
`http://hl7.org/fhir/data-types`	`date`	date	Yes
`http://hl7.org/fhir/data-types`	`dateTime`	dateTime	Yes
`http://hl7.org/fhir/data-types`	`decimal`	decimal	Yes
`http://hl7.org/fhir/data-types`	`id`	id	Yes
`http://hl7.org/fhir/data-types`	`instant`	instant	Yes
`http://hl7.org/fhir/data-types`	`integer`	integer	Yes
`http://hl7.org/fhir/data-types`	`markdown`	markdown	Yes
`http://hl7.org/fhir/data-types`	`oid`	oid	Yes
`http://hl7.org/fhir/data-types`	`positiveInt`	positiveInt	Yes
`http://hl7.org/fhir/data-types`	`string`	string	Yes
`http://hl7.org/fhir/data-types`	`time`	time	Yes
`http://hl7.org/fhir/data-types`	`unsignedInt`	unsignedInt	Yes
`http://hl7.org/fhir/data-types`	`uri`	uri	Yes
`http://hl7.org/fhir/data-types`	`uuid`	uuid	Yes
`http://hl7.org/fhir/data-types`	`xhtml`	XHTML	Yes
`http://hl7.org/fhir/resource-types`	`Account`	Account	Yes
`http://hl7.org/fhir/resource-types`	`AllergyIntolerance`	AllergyIntolerance	Yes
`http://hl7.org/fhir/resource-types`	`Appointment`	Appointment	Yes
`http://hl7.org/fhir/resource-types`	`AppointmentResponse`	AppointmentResponse	Yes
`http://hl7.org/fhir/resource-types`	`AuditEvent`	AuditEvent	Yes
`http://hl7.org/fhir/resource-types`	`Basic`	Basic	Yes
`http://hl7.org/fhir/resource-types`	`Binary`	Binary	Yes
`http://hl7.org/fhir/resource-types`	`BodySite`	BodySite	Yes
`http://hl7.org/fhir/resource-types`	`Bundle`	Bundle	Yes
`http://hl7.org/fhir/resource-types`	`CarePlan`	CarePlan	Yes
`http://hl7.org/fhir/resource-types`	`Claim`	Claim	Yes
`http://hl7.org/fhir/resource-types`	`ClaimResponse`	ClaimResponse	Yes
`http://hl7.org/fhir/resource-types`	`ClinicalImpression`	ClinicalImpression	Yes
`http://hl7.org/fhir/resource-types`	`Communication`	Communication	Yes
`http://hl7.org/fhir/resource-types`	`CommunicationRequest`	CommunicationRequest	Yes
`http://hl7.org/fhir/resource-types`	`Composition`	Composition	Yes
`http://hl7.org/fhir/resource-types`	`ConceptMap`	ConceptMap	Yes
`http://hl7.org/fhir/resource-types`	`Condition`	Condition	Yes
`http://hl7.org/fhir/resource-types`	`Conformance`	Conformance	Yes
`http://hl7.org/fhir/resource-types`	`Contract`	Contract	Yes
`http://hl7.org/fhir/resource-types`	`Coverage`	Coverage	Yes
`http://hl7.org/fhir/resource-types`	`DataElement`	DataElement	Yes
`http://hl7.org/fhir/resource-types`	`DetectedIssue`	DetectedIssue	Yes
`http://hl7.org/fhir/resource-types`	`Device`	Device	Yes
`http://hl7.org/fhir/resource-types`	`DeviceComponent`	DeviceComponent	Yes
`http://hl7.org/fhir/resource-types`	`DeviceMetric`	DeviceMetric	Yes
`http://hl7.org/fhir/resource-types`	`DeviceUseRequest`	DeviceUseRequest	Yes
`http://hl7.org/fhir/resource-types`	`DeviceUseStatement`	DeviceUseStatement	Yes
`http://hl7.org/fhir/resource-types`	`DiagnosticOrder`	DiagnosticOrder	Yes
`http://hl7.org/fhir/resource-types`	`DiagnosticReport`	DiagnosticReport	Yes
`http://hl7.org/fhir/resource-types`	`DocumentManifest`	DocumentManifest	Yes
`http://hl7.org/fhir/resource-types`	`DocumentReference`	DocumentReference	Yes
`http://hl7.org/fhir/resource-types`	`DomainResource`	DomainResource	Yes
`http://hl7.org/fhir/resource-types`	`EligibilityRequest`	EligibilityRequest	Yes
`http://hl7.org/fhir/resource-types`	`EligibilityResponse`	EligibilityResponse	Yes
`http://hl7.org/fhir/resource-types`	`Encounter`	Encounter	Yes
`http://hl7.org/fhir/resource-types`	`EnrollmentRequest`	EnrollmentRequest	Yes
`http://hl7.org/fhir/resource-types`	`EnrollmentResponse`	EnrollmentResponse	Yes
`http://hl7.org/fhir/resource-types`	`EpisodeOfCare`	EpisodeOfCare	Yes
`http://hl7.org/fhir/resource-types`	`ExplanationOfBenefit`	ExplanationOfBenefit	Yes
`http://hl7.org/fhir/resource-types`	`FamilyMemberHistory`	FamilyMemberHistory	Yes
`http://hl7.org/fhir/resource-types`	`Flag`	Flag	Yes
`http://hl7.org/fhir/resource-types`	`Goal`	Goal	Yes
`http://hl7.org/fhir/resource-types`	`Group`	Group	Yes
`http://hl7.org/fhir/resource-types`	`HealthcareService`	HealthcareService	Yes
`http://hl7.org/fhir/resource-types`	`ImagingObjectSelection`	ImagingObjectSelection	Yes
`http://hl7.org/fhir/resource-types`	`ImagingStudy`	ImagingStudy	Yes
`http://hl7.org/fhir/resource-types`	`Immunization`	Immunization	Yes
`http://hl7.org/fhir/resource-types`	`ImmunizationRecommendation`	ImmunizationRecommendation	Yes
`http://hl7.org/fhir/resource-types`	`ImplementationGuide`	ImplementationGuide	Yes
`http://hl7.org/fhir/resource-types`	`List`	List	Yes
`http://hl7.org/fhir/resource-types`	`Location`	Location	Yes
`http://hl7.org/fhir/resource-types`	`Media`	Media	Yes
`http://hl7.org/fhir/resource-types`	`Medication`	Medication	Yes
`http://hl7.org/fhir/resource-types`	`MedicationAdministration`	MedicationAdministration	Yes
`http://hl7.org/fhir/resource-types`	`MedicationDispense`	MedicationDispense	Yes
`http://hl7.org/fhir/resource-types`	`MedicationOrder`	MedicationOrder	Yes
`http://hl7.org/fhir/resource-types`	`MedicationStatement`	MedicationStatement	Yes
`http://hl7.org/fhir/resource-types`	`MessageHeader`	MessageHeader	Yes
`http://hl7.org/fhir/resource-types`	`NamingSystem`	NamingSystem	Yes
`http://hl7.org/fhir/resource-types`	`NutritionOrder`	NutritionOrder	Yes
`http://hl7.org/fhir/resource-types`	`Observation`	Observation	Yes
`http://hl7.org/fhir/resource-types`	`OperationDefinition`	OperationDefinition	Yes
`http://hl7.org/fhir/resource-types`	`OperationOutcome`	OperationOutcome	Yes
`http://hl7.org/fhir/resource-types`	`Order`	Order	Yes
`http://hl7.org/fhir/resource-types`	`OrderResponse`	OrderResponse	Yes
`http://hl7.org/fhir/resource-types`	`Organization`	Organization	Yes
`http://hl7.org/fhir/resource-types`	`Parameters`	Parameters	Yes
`http://hl7.org/fhir/resource-types`	`Patient`	Patient	Yes
`http://hl7.org/fhir/resource-types`	`PaymentNotice`	PaymentNotice	Yes
`http://hl7.org/fhir/resource-types`	`PaymentReconciliation`	PaymentReconciliation	Yes
`http://hl7.org/fhir/resource-types`	`Person`	Person	Yes
`http://hl7.org/fhir/resource-types`	`Practitioner`	Practitioner	Yes
`http://hl7.org/fhir/resource-types`	`Procedure`	Procedure	Yes
`http://hl7.org/fhir/resource-types`	`ProcedureRequest`	ProcedureRequest	Yes
`http://hl7.org/fhir/resource-types`	`ProcessRequest`	ProcessRequest	Yes
`http://hl7.org/fhir/resource-types`	`ProcessResponse`	ProcessResponse	Yes
`http://hl7.org/fhir/resource-types`	`Provenance`	Provenance	Yes
`http://hl7.org/fhir/resource-types`	`Questionnaire`	Questionnaire	Yes
`http://hl7.org/fhir/resource-types`	`QuestionnaireResponse`	QuestionnaireResponse	Yes
`http://hl7.org/fhir/resource-types`	`ReferralRequest`	ReferralRequest	Yes
`http://hl7.org/fhir/resource-types`	`RelatedPerson`	RelatedPerson	Yes
`http://hl7.org/fhir/resource-types`	`Resource`	Resource	Yes
`http://hl7.org/fhir/resource-types`	`RiskAssessment`	RiskAssessment	Yes
`http://hl7.org/fhir/resource-types`	`Schedule`	Schedule	Yes
`http://hl7.org/fhir/resource-types`	`SearchParameter`	SearchParameter	Yes
`http://hl7.org/fhir/resource-types`	`Slot`	Slot	Yes
`http://hl7.org/fhir/resource-types`	`Specimen`	Specimen	Yes
`http://hl7.org/fhir/resource-types`	`StructureDefinition`	StructureDefinition	Yes
`http://hl7.org/fhir/resource-types`	`Subscription`	Subscription	Yes
`http://hl7.org/fhir/resource-types`	`Substance`	Substance	Yes
`http://hl7.org/fhir/resource-types`	`SupplyDelivery`	SupplyDelivery	Yes
`http://hl7.org/fhir/resource-types`	`SupplyRequest`	SupplyRequest	Yes
`http://hl7.org/fhir/resource-types`	`TestScript`	TestScript	Yes
`http://hl7.org/fhir/resource-types`	`ValueSet`	ValueSet	Yes
`http://hl7.org/fhir/resource-types`	`VisionPrescription`	VisionPrescription	Yes
`http://hl7.org/fhir/search-param-type`	`composite`	Composite	Yes
`http://hl7.org/fhir/search-param-type`	`date`	Date/DateTime	Yes
`http://hl7.org/fhir/search-param-type`	`number`	Number	Yes
`http://hl7.org/fhir/search-param-type`	`quantity`	Quantity	Yes
`http://hl7.org/fhir/search-param-type`	`reference`	Reference	Yes
`http://hl7.org/fhir/search-param-type`	`string`	String	Yes
`http://hl7.org/fhir/search-param-type`	`token`	Token	Yes
`http://hl7.org/fhir/search-param-type`	`uri`	URI	Yes

Lookup for R2OperationParameterTypeForR5

Lookup for FHIR DSTU2 ValueSet Parameter Types used in Operation Definitions:http://hl7.org/fhir/ValueSet/operation-parameter-type for use in FHIR R5

Lookup for FHIR DSTU2 ValueSet Parameter Types used in Operation Definitions:`http://hl7.org/fhir/ValueSet/operation-parameter-type` for use in FHIR R5