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

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

## identifier
**Description:** The identifier of the component

**Type:** token

**Expression:** DeviceDefinition.identifier | DeviceDefinition.udiDeviceIdentifier

**Path:** DeviceDefinition.identifier

**Standards Status:** normative

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


<a id="type"></a>

## type
**Description:** The device type

**Type:** token

**Expression:** DeviceDefinition.classification.type

**Path:** DeviceDefinition.classification.type

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-type


<a id="conforms-to-category"></a>

## conforms-to-category
**Description:** The category of the conformance

**Type:** token

**Expression:** DeviceDefinition.conformsTo.category

**Path:** DeviceDefinition.conformsTo.category

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-conformsTo-category


<a id="specification"></a>

## specification
**Description:** The specification that the device conforms to

**Type:** token

**Expression:** DeviceDefinition.conformsTo.specification

**Path:** DeviceDefinition.conformsTo.specification

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-type


<a id="specification-version"></a>

## specification-version
**Description:** A composite of both specification and version

**Type:** composite

**Expression:** DeviceDefinition.conformsTo

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-specification-version


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

## device-name
**Description:** A server defined search that may match any of the string fields in DeviceDefinition.name or DeviceDefinition.classification.type - the latter to search for 'generic' devices.

**Type:** string

**Expression:** DeviceDefinition.deviceName.name | DeviceDefinition.classification.type.coding.display | DeviceDefinition.classification.type.text

**Path:** DeviceDefinition.name

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Device-devicedefinition-name


<a id="manufacturer"></a>

## manufacturer
**Description:** The manufacturer of the device

**Type:** reference

**Expression:** DeviceDefinition.manufacturer

**Path:** DeviceDefinition.manufacturer

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-manufacturer


<a id="publisher"></a>

## publisher
**Description:** The contact for the publisher of the device definition

**Type:** string

**Expression:** DeviceDefinition.contact.name | DeviceDefinition.publisher

**Path:** DeviceDefinition.contact.name

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-publisher


<a id="model-number"></a>

## model-number
**Description:** The model of the device

**Type:** token

**Expression:** DeviceDefinition.modelNumber

**Path:** DeviceDefinition.modelNumber

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-model


<a id="version"></a>

## version
**Description:** The specific version of the device

**Type:** token

**Expression:** DeviceDefinition.deviceVersion.value

**Path:** DeviceDefinition.deviceVersion.value

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-version


<a id="version-type"></a>

## version-type
**Description:** Value and type of version

**Type:** composite

**Expression:** DeviceDefinition.deviceVersion

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-type-version


<a id="has-part-canonical"></a>

## has-part-canonical
**Description:** The component part device definition

**Type:** reference

**Expression:** DeviceDefinition.hasPart.definition.ofType(canonical)

**Path:** DeviceDefinition.hasPart.definition[x]

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-has-part-canonical


<a id="has-part-code"></a>

## has-part-code
**Description:** The component part device type

**Type:** token

**Expression:** DeviceDefinition.hasPart.definition.ofType(CodeableConcept)

**Path:** DeviceDefinition.hasPart.definition[x]

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-has-part-code


<a id="part-number"></a>

## part-number
**Description:** The part number or catalog number of the device.

**Type:** string

**Expression:** DeviceDefinition.partNumber

**Path:** DeviceDefinition.partNumber

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/Device-devicedefinition-part-number


<a id="url"></a>

## url
**Description:** The uri that identifies the code system

**Type:** uri

**Expression:** DeviceDefinition.url

**Path:** {{name}}.url

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceDefinition-url


<a id="experimental"></a>

## experimental
**Description:** Whether the DeviceDefinition is experimental

**Type:** token

**Expression:** DeviceDefinition.experimental

**Path:** DeviceDefinition.experimental

**Standards Status:** normative