---
type: "search-params"
title: "DeviceRequest Search Parameters"
resource: "DeviceRequest"
---
# DeviceRequest Search Parameters

<a id="authored-on"></a>

## authored-on
**Description:** When the request transitioned to being actionable

**Type:** date

**Expression:** DeviceRequest.authoredOn

**Path:** DeviceRequest.authoredOn

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-authored-on


<a id="based-on"></a>

## based-on
**Description:** Plan/proposal/order fulfilled by this request

**Type:** reference

**Expression:** DeviceRequest.basedOn

**Path:** DeviceRequest.basedOn

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-based-on


<a id="product"></a>

## product
**Description:** Code for what is being requested/ordered

**Type:** token

**Expression:** DeviceRequest.product.ofType(CodeableConcept)

**Path:** DeviceRequest.productCodeableConcept

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-product


<a id="device"></a>

## device
**Description:** Reference to resource that is being requested/ordered

**Type:** reference

**Expression:** DeviceRequest.product.ofType(Reference)

**Path:** DeviceRequest.productReference

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-device


<a id="encounter"></a>

## encounter
**Description:** Encounter during which request was created

**Type:** reference

**Expression:** DeviceRequest.encounter

**Path:** DeviceRequest.encounter

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-encounter


<a id="event-date"></a>

## event-date
**Description:** When service should occur

**Type:** date

**Expression:** (DeviceRequest.occurrence.ofType(dateTime)) | (DeviceRequest.occurrence.ofType(Period))

**Path:** DeviceRequest.occurrenceDateTime,DeviceRequest.occurrencePeriod

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-event-date


<a id="group-identifier"></a>

## group-identifier
**Description:** Composite request this is part of

**Type:** token

**Expression:** DeviceRequest.groupIdentifier

**Path:** DeviceRequest.groupIdentifier

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-group-identifier


<a id="identifier"></a>

## identifier
**Description:** Business identifier for request/order

**Type:** token

**Expression:** DeviceRequest.identifier

**Path:** DeviceRequest.identifier

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-identifier


<a id="insurance"></a>

## insurance
**Description:** Associated insurance coverage

**Type:** reference

**Expression:** DeviceRequest.insurance

**Path:** DeviceRequest.insurance

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-insurance


<a id="intent"></a>

## intent
**Description:** proposal | plan | original-order |reflex-order

**Type:** token

**Expression:** DeviceRequest.intent

**Path:** DeviceRequest.intent

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-intent


<a id="patient"></a>

## patient
**Description:** Individual the service is ordered for

**Type:** reference

**Expression:** DeviceRequest.subject.where(resolve() is Patient)

**Path:** DeviceRequest.subject

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-patient


<a id="performer"></a>

## performer
**Description:** Desired performer for service

**Type:** reference

**Expression:** DeviceRequest.performer.reference

**Path:** DeviceRequest.performer.reference

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-performer


<a id="performer-code"></a>

## performer-code
**Description:** Desired performer for service

**Type:** token

**Expression:** DeviceRequest.performer.concept

**Path:** DeviceRequest.performer.concept

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-performer


<a id="prior-request"></a>

## prior-request
**Description:** Request takes the place of referenced completed or terminated requests

**Type:** reference

**Expression:** DeviceRequest.replaces

**Path:** DeviceRequest.replaces

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-prior-request


<a id="requester"></a>

## requester
**Description:** Who/what is requesting service

**Type:** reference

**Expression:** DeviceRequest.requester

**Path:** DeviceRequest.requester

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-requester


<a id="status"></a>

## status
**Description:** entered-in-error | draft | active |suspended | completed

**Type:** token

**Expression:** DeviceRequest.status

**Path:** DeviceRequest.status

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-status


<a id="subject"></a>

## subject
**Description:** Individual the service is ordered for

**Type:** reference

**Expression:** DeviceRequest.subject

**Path:** DeviceRequest.subject

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-subject


<a id="location-code"></a>

## location-code
**Description:** The preferred location specified in the DeviceRequest (coded)

**Type:** token

**Expression:** DeviceRequest.location.concept

**Path:** DeviceRequest.location.concept

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceRequest-location-code