<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="deviceassociation-relationship"/><meta><lastUpdated value="2026-06-11T22:32:02.825+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem deviceassociation-relationship</b></p><a name="deviceassociation-relationship"> </a><a name="hcdeviceassociation-relationship"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/deviceassociation-relationship</code> defines the following codes in an undefined hierarchy:</p><table class="codes"><tr><td><b>Lvl</b></td><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td>1</td><td style="white-space:nowrap">patient-person<a name="deviceassociation-relationship-patient-person"> </a></td><td>Patient/person</td><td>Associations involving a patient, related person, practitioner, or other person-like subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  used-by<a name="deviceassociation-relationship-used-by"> </a></td><td>Used By</td><td>The device is used by the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  assigned-to<a name="deviceassociation-relationship-assigned-to"> </a></td><td>Assigned To</td><td>The device is assigned to the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  leased-by<a name="deviceassociation-relationship-leased-by"> </a></td><td>Leased By</td><td>The device is leased by the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  worn-by<a name="deviceassociation-relationship-worn-by"> </a></td><td>Worn By</td><td>The device is worn by the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  carried-by<a name="deviceassociation-relationship-carried-by"> </a></td><td>Carried By</td><td>The device is carried by the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  monitored-by<a name="deviceassociation-relationship-monitored-by"> </a></td><td>Monitored By</td><td>The device is associated with the subject for monitoring.</td></tr><tr><td>1</td><td style="white-space:nowrap">implantation-attachment<a name="deviceassociation-relationship-implantation-attachment"> </a></td><td>Implantation/attachment</td><td>Associations involving implantation in, or attachment to, the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  implanted-in<a name="deviceassociation-relationship-implanted-in"> </a></td><td>Implanted In</td><td>The device is implanted in the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  attached-to<a name="deviceassociation-relationship-attached-to"> </a></td><td>Attached To</td><td>The device is attached to the subject.</td></tr><tr><td>1</td><td style="white-space:nowrap">location<a name="deviceassociation-relationship-location"> </a></td><td>Location</td><td>Associations involving a location where the device is installed, located, or stored.</td></tr><tr><td>2</td><td style="white-space:nowrap">  installed-at<a name="deviceassociation-relationship-installed-at"> </a></td><td>Installed At</td><td>The device is installed at the subject location.</td></tr><tr><td>2</td><td style="white-space:nowrap">  located-at<a name="deviceassociation-relationship-located-at"> </a></td><td>Located At</td><td>The device is located at the subject location.</td></tr><tr><td>2</td><td style="white-space:nowrap">  stored-at<a name="deviceassociation-relationship-stored-at"> </a></td><td>Stored At</td><td>The device is stored at the subject location.</td></tr><tr><td>1</td><td style="white-space:nowrap">device-to-device<a name="deviceassociation-relationship-device-to-device"> </a></td><td>Device-to-device</td><td>Associations between the device and another device.</td></tr><tr><td>2</td><td style="white-space:nowrap">  connected-to<a name="deviceassociation-relationship-connected-to"> </a></td><td>Connected To</td><td>The device is connected to the subject device.</td></tr><tr><td>2</td><td style="white-space:nowrap">  controls<a name="deviceassociation-relationship-controls"> </a></td><td>Controls</td><td>The device controls the subject device.</td></tr><tr><td>2</td><td style="white-space:nowrap">  programs<a name="deviceassociation-relationship-programs"> </a></td><td>Programs</td><td>The device programs the subject device.</td></tr><tr><td>2</td><td style="white-space:nowrap">  calibrates<a name="deviceassociation-relationship-calibrates"> </a></td><td>Calibrates</td><td>The device calibrates the subject device.</td></tr><tr><td>2</td><td style="white-space:nowrap">  maintains<a name="deviceassociation-relationship-maintains"> </a></td><td>Maintains</td><td>The device maintains the subject device.</td></tr><tr><td>2</td><td style="white-space:nowrap">  powers<a name="deviceassociation-relationship-powers"> </a></td><td>Powers</td><td>The device powers the subject device.</td></tr><tr><td>2</td><td style="white-space:nowrap">  communicates-with<a name="deviceassociation-relationship-communicates-with"> </a></td><td>Communicates With</td><td>The device communicates with the subject device.</td></tr><tr><td>1</td><td style="white-space:nowrap">organizational<a name="deviceassociation-relationship-organizational"> </a></td><td>Organizational</td><td>Associations involving organizational responsibility or custody.</td></tr><tr><td>2</td><td style="white-space:nowrap">  managed-by<a name="deviceassociation-relationship-managed-by"> </a></td><td>Managed By</td><td>The device is managed by the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  in-custody-of<a name="deviceassociation-relationship-in-custody-of"> </a></td><td>In Custody Of</td><td>The device is in the custody of the subject.</td></tr><tr><td>2</td><td style="white-space:nowrap">  maintained-by<a name="deviceassociation-relationship-maintained-by"> </a></td><td>Maintained By</td><td>The device is maintained by the subject.</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="oo"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"><valueCode value="normative"/></extension><url value="http://hl7.org/fhir/deviceassociation-relationship"/><version value="6.0.0-ballot4"/><name value="DeviceAssociationRelationshipCodes"/><title value="DeviceAssociation Relationship Codes"/><status value="active"/><experimental value="true"/><publisher value="HL7 International"/><description value="Example codes that describe the relationship between the device and the subject."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><content value="complete"/><concept><code value="patient-person"/><display value="Patient/person"/><definition value="Associations involving a patient, related person, practitioner, or other person-like subject."/><concept><code value="used-by"/><display value="Used By"/><definition value="The device is used by the subject."/></concept><concept><code value="assigned-to"/><display value="Assigned To"/><definition value="The device is assigned to the subject."/></concept><concept><code value="leased-by"/><display value="Leased By"/><definition value="The device is leased by the subject."/></concept><concept><code value="worn-by"/><display value="Worn By"/><definition value="The device is worn by the subject."/></concept><concept><code value="carried-by"/><display value="Carried By"/><definition value="The device is carried by the subject."/></concept><concept><code value="monitored-by"/><display value="Monitored By"/><definition value="The device is associated with the subject for monitoring."/></concept></concept><concept><code value="implantation-attachment"/><display value="Implantation/attachment"/><definition value="Associations involving implantation in, or attachment to, the subject."/><concept><code value="implanted-in"/><display value="Implanted In"/><definition value="The device is implanted in the subject."/></concept><concept><code value="attached-to"/><display value="Attached To"/><definition value="The device is attached to the subject."/></concept></concept><concept><code value="location"/><display value="Location"/><definition value="Associations involving a location where the device is installed, located, or stored."/><concept><code value="installed-at"/><display value="Installed At"/><definition value="The device is installed at the subject location."/></concept><concept><code value="located-at"/><display value="Located At"/><definition value="The device is located at the subject location."/></concept><concept><code value="stored-at"/><display value="Stored At"/><definition value="The device is stored at the subject location."/></concept></concept><concept><code value="device-to-device"/><display value="Device-to-device"/><definition value="Associations between the device and another device."/><concept><code value="connected-to"/><display value="Connected To"/><definition value="The device is connected to the subject device."/></concept><concept><code value="controls"/><display value="Controls"/><definition value="The device controls the subject device."/></concept><concept><code value="programs"/><display value="Programs"/><definition value="The device programs the subject device."/></concept><concept><code value="calibrates"/><display value="Calibrates"/><definition value="The device calibrates the subject device."/></concept><concept><code value="maintains"/><display value="Maintains"/><definition value="The device maintains the subject device."/></concept><concept><code value="powers"/><display value="Powers"/><definition value="The device powers the subject device."/></concept><concept><code value="communicates-with"/><display value="Communicates With"/><definition value="The device communicates with the subject device."/></concept></concept><concept><code value="organizational"/><display value="Organizational"/><definition value="Associations involving organizational responsibility or custody."/><concept><code value="managed-by"/><display value="Managed By"/><definition value="The device is managed by the subject."/></concept><concept><code value="in-custody-of"/><display value="In Custody Of"/><definition value="The device is in the custody of the subject."/></concept><concept><code value="maintained-by"/><display value="Maintained By"/><definition value="The device is maintained by the subject."/></concept></concept></CodeSystem>