http://hl7.org/fhir/StructureDefinition/Request|4.0.1

Logical Model: A pattern to be followed by resources that represent a specific proposal, plan and/or order for some sort of action or service.

element_id	types
Request
Request.identifier	Identifier
Request.instantiatesCanonical	canonical
Request.instantiatesUri	uri
Request.basedOn	Reference
Request.replaces	Reference
Request.groupIdentifier	Identifier
Request.status	code
Request.statusReason	CodeableConcept
Request.intent	code
Request.priority	code
Request.doNotPerform	boolean
Request.code	CodeableConcept
Request.subject	Reference
Request.encounter	Reference
Request.occurrence[x]	dateTime,Period,Timing
Request.authoredOn	dateTime
Request.requester	Reference
Request.reported[x]	boolean,Reference
Request.performerType	CodeableConcept
Request.performer	Reference
Request.reasonCode	CodeableConcept
Request.reasonReference	Reference
Request.insurance	Reference
Request.supportingInfo	Reference
Request.note	Annotation
Request.relevantHistory	Reference