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

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

## device
**Description:** Search for products that match this code

**Type:** reference

**Expression:** DeviceAssociation.device

**Path:** DeviceAssociation.device

**Standards Status:** normative

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


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

## subject
**Description:** The identity of the individual(s) or entity for whom to list associations

**Type:** reference

**Expression:** DeviceAssociation.subject

**Path:** DeviceAssociation.subject

**Standards Status:** normative

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


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

## patient
**Description:** The patient associated with the device

**Type:** reference

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

**Path:** DeviceAssociation.subject

**Standards Status:** normative

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


<a id="focus"></a>

## focus
**Description:** The focus of an association.

**Type:** reference

**Expression:** DeviceAssociation.focus

**Path:** DeviceAssociation.focus

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/DeviceAssociation-focus


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

## identifier
**Description:** The identifier of the device association

**Type:** token

**Expression:** DeviceAssociation.identifier

**Path:** DeviceAssociation.identifier

**Standards Status:** normative

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


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

## status
**Description:** The status of the device associations

**Type:** token

**Expression:** DeviceAssociation.status

**Path:** DeviceAssociation.status

**Standards Status:** normative

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


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

## date
**Description:** Search for associations at or within specific times

**Type:** date

**Expression:** DeviceAssociation.period

**Path:** DeviceAssociation.period

**Standards Status:** normative

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


<a id="relationship"></a>

## relationship
**Description:** Search for specific device association relationships

**Type:** token

**Expression:** DeviceAssociation.relationship

**Path:** DeviceAssociation.relationship

**Standards Status:** normative

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