This page is part of the FHIR Specification v6.0.0-ballot1: Release 6 Ballot (1st Draft) (see Ballot Notes). The current version is 5.0.0.  For a full list of available versions, see the Directory of published versions 
| Orders and Observations  Work Group | Maturity Level: 0 | Draft | Security Category: Business | Compartments: Device, Patient, Practitioner | 
Detailed Descriptions for the elements in the DeviceAssociation resource.
| DeviceAssociation | |
| Element Id | DeviceAssociation | 
| Definition | A record of association or dissociation of a device with a patient. | 
| Short Display | A record of association or dissociation of a device with a patient | 
| Cardinality | 0..* | 
| Type | DomainResource | 
| Summary | true | 
| DeviceAssociation.identifier | |
| Element Id | DeviceAssociation.identifier | 
| Definition | Instance identifier. | 
| Short Display | Instance identifier | 
| Note | This is a business identifier, not a resource identifier (see discussion) | 
| Cardinality | 0..* | 
| Type | Identifier | 
| Summary | true | 
| DeviceAssociation.device | |
| Element Id | DeviceAssociation.device | 
| Definition | Reference to the devices associated with the patient or group. | 
| Short Display | Reference to the devices associated with the patient or group | 
| Cardinality | 1..1 | 
| Type | Reference(Device) | 
| Summary | true | 
| DeviceAssociation.category | |
| Element Id | DeviceAssociation.category | 
| Definition | Describes the relationship between the device and subject. | 
| Short Display | Describes the relationship between the device and subject | 
| Cardinality | 0..* | 
| Type | CodeableConcept | 
| Summary | true | 
| DeviceAssociation.status | |
| Element Id | DeviceAssociation.status | 
| Definition | Indicates the state of the Device association. | 
| Short Display | implanted | explanted | attached | entered-in-error | unknown | 
| Cardinality | 1..1 | 
| Terminology Binding | DeviceAssociation Status Codes (Required) | 
| Type | CodeableConcept | 
| Summary | true | 
| DeviceAssociation.statusReason | |
| Element Id | DeviceAssociation.statusReason | 
| Definition | The reasons given for the current association status. | 
| Short Display | The reasons given for the current association status | 
| Cardinality | 0..* | 
| Terminology Binding | DeviceAssociation Status Reason Codes (Required) | 
| Type | CodeableConcept | 
| Summary | true | 
| DeviceAssociation.subject | |
| Element Id | DeviceAssociation.subject | 
| Definition | The individual, group of individuals or device that the device is on or associated with. | 
| Short Display | The individual, group of individuals or device that the device is on or associated with | 
| Cardinality | 0..1 | 
| Type | Reference(Patient | Group | Practitioner | RelatedPerson | Device) | 
| Summary | true | 
| DeviceAssociation.bodyStructure | |
| Element Id | DeviceAssociation.bodyStructure | 
| Definition | Current anatomical location of the device in/on subject. | 
| Short Display | Current anatomical location of the device in/on subject | 
| Cardinality | 0..1 | 
| Type | Reference(BodyStructure) | 
| Summary | true | 
| DeviceAssociation.period | |
| Element Id | DeviceAssociation.period | 
| Definition | Begin and end dates and times for the device association. | 
| Short Display | Begin and end dates and times for the device association | 
| Cardinality | 0..1 | 
| Type | Period | 
| Summary | true | 
| DeviceAssociation.operation | |
| Element Id | DeviceAssociation.operation | 
| Definition | The details about the device when it is in use to describe its operation. | 
| Short Display | The details about the device when it is in use to describe its operation | 
| Cardinality | 0..* | 
| Summary | true | 
| DeviceAssociation.operation.status | |
| Element Id | DeviceAssociation.operation.status | 
| Definition | Device operational condition corresponding to the association. | 
| Short Display | Device operational condition | 
| Cardinality | 1..1 | 
| Terminology Binding | FHIR Device Association Operation Status (Example) | 
| Type | CodeableConcept | 
| Summary | true | 
| DeviceAssociation.operation.operator | |
| Element Id | DeviceAssociation.operation.operator | 
| Definition | The individual performing the action enabled by the device. | 
| Short Display | The individual performing the action enabled by the device | 
| Cardinality | 0..* | 
| Type | Reference(Patient | Practitioner | RelatedPerson) | 
| Summary | true | 
| DeviceAssociation.operation.period | |
| Element Id | DeviceAssociation.operation.period | 
| Definition | Begin and end dates and times for the device's operation. | 
| Short Display | Begin and end dates and times for the device's operation | 
| Cardinality | 0..1 | 
| Type | Period | 
| Summary | true |