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8.17 Resource DeviceAssociation - Content

Orders and Observations icon Work GroupMaturity Level: 0 DraftSecurity Category: Patient Compartments: Device, Patient, Practitioner

A record of association or dissociation of a device with a patient.

8.17.1 Scope and Usage

Device Association records the relationship between a device and a subject and/or operator. The scope covers all devices including, but not limited to: implantables (which previously was documented as the .association in the Device resource), wheelchairs, RTLS, personal health and point of care devices, diagnostic, imaging and durable medical equipment. This resource is intended to apply to any delivery environment and discipline where a device association is useful to record.

The subjects may include:

  • Patient - the following are often associated with a specific patient: implantables, prosthetics, activity trackers, mobility assistance, care monitoring, etc.
  • Group - some devices may be associated with a family group or treatment group. For example a weight scale or blood pressure cuff.
  • Practitioner - a device that is associated with the practitioner: pager, alert monitor, cell phone, laptop/tablet
  • Device - a device may be associated with another device when it is independent of the focal device. Note: this is different than the containment tree with parent element in the Device resource. For example a RFID tag used to track the location of a wheelchair.
  • RelatedPerson - a device that is associated with another person related to the patient. For example, an alerting device given to a spouse while their partner is in surgery.

8.17.2 Boundaries and Relationships

  • Device - This resource contains the association (incluuding history) between a device and a subject, eliminating the need for the Device resource to contain that history of associations which might allow unintended exposure of patient information.
  • DeviceUsage and Procedure - Both Procedure and DeviceUsage can comprehend association (not necessarily the related dissociation) of a device with a subject. They are intended to be used from the patient of process perspective.
    • For tracking the act of implanting or using the device, Procedure may be used;
    • For updating the patient's information about the usage of a device, DeviceUsage may be used;
    • For tracking the different events along the lifecycle of the same Device, DeviceAssociation is appropriate

These are not exclusive, i.e. when associating a device with a patient, the it is possible to capture the patient's clinical information with a DeviceUsage resource, include the device in a Procedure for reporting, and keep the Device's traceability information with a DeviceAssociation resource.

To track changes in settings, Observation resource can be used, where Observation.subject references the Device that the settings apply to. If, e.g., the patient that the Device is associated with needs to be identified, then the DeviceAssociation where DeviceAssociation.period includes the Observation.effective[x] would have that patient in DeviceAssociation.subject.

8.17.3 References to this Resource

No references for this Resource.

8.17.4 Resource Content

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. DeviceAssociation ΣD DomainResource A record of association or dissociation of a device with a patient

Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
... identifier Σ 0..* Identifier Instance identifier

... device Σ 1..1 Reference(Device) Reference to the devices associated with the patient or group
... category Σ 0..* CodeableConcept Describes the relationship between the device and subject

... statusReason Σ 0..* CodeableConcept The reasons given for the current association status
Binding: DeviceAssociation Status Reason Codes (Required)

... subject Σ 0..1 Reference(Patient | Group | Practitioner | RelatedPerson | Device) The individual, group of individuals or device that the device is on or associated with
... bodyStructure Σ 0..1 Reference(BodyStructure) Current anatomical location of the device in/on subject
... period Σ 0..1 Period Begin and end dates and times for the device association
... operation Σ 0..* BackboneElement The details about the device when it is in use to describe its operation

.... status Σ 1..1 CodeableConcept Device operational condition
Binding: FHIR Device Association Operation Status (Example)
.... operator Σ 0..* Reference(Patient | Practitioner | RelatedPerson) The individual performing the action enabled by the device

.... period Σ 0..1 Period Begin and end dates and times for the device's operation

doco Documentation for this format icon

See the Extensions for this resource

 

Additional definitions: Master Definition XML + JSON, XML Schema/Schematron + JSON Schema, ShEx (for Turtle) + see the extensions, the spreadsheet version & the dependency analysis

8.17.4.1 Terminology Bindings

Path ValueSet Type Documentation
DeviceAssociation.status DeviceAssociationCodes (a valid code from DeviceAssociation Status Codes) Required

DeviceAssociation Status Codes
DeviceAssociation.statusReason DeviceAssociationCodes (a valid code from DeviceAssociation Status Reason Codes) Required

DeviceAssociation Status Reason Codes
DeviceAssociation.operation.status FHIRDeviceAssociationOperationStatus Example

The status for the device association operation.

8.17.5 Search Parameters

Search parameters for this resource. See also the full list of search parameters for this resource, and check the Extensions registry for search parameters on extensions related to this resource. The common parameters also apply. See Searching for more information about searching in REST, messaging, and services.

Name Type Description Expression In Common
date TU date Search for associations at or within specific times DeviceAssociation.period
device TU reference Search for products that match this code DeviceAssociation.device
(Device)
identifier TU token The identifier of the device association DeviceAssociation.identifier
operator TU reference The identity of a operator for whom to list associations DeviceAssociation.operation.operator
(Practitioner, Patient, RelatedPerson)
patient TU reference The identity of a patient for whom to list associations DeviceAssociation.subject.where(resolve() is Patient)
(Practitioner, Group, Device, Patient, RelatedPerson)
status TU token The status of the device associations DeviceAssociation.status
subject TU reference The identity of a patient for whom to list associations DeviceAssociation.subject.where(resolve() is Patient)
(Practitioner, Group, Device, Patient, RelatedPerson)