<DeviceAssociation xmlns="http://hl7.org/fhir"><id value="lab-device-association"/><contained><Practitioner><id value="repair-tech"/></Practitioner></contained><contained><Device><id value="lab-analyzer"/><status value="active"/><name><value value="Beckman AU5800"/><type><coding><code value="model-name"/></coding></type></name><type><coding><system value="http://snomed.info/sct"/><code value="11987000"/><display value="Clinical chemistry analyzer"/></coding></type></Device></contained><device><reference value="#lab-analyzer"/></device><relationship><coding><system value="http://hl7.org/fhir/deviceassociation-relationship"/><code value="maintained-by"/><display value="Maintained By"/></coding></relationship><status value="active"/><relationshipStatus><coding><system value="http://hl7.org/fhir/deviceassociation-relationship-status"/><code value="ended"/><display value="Ended"/></coding></relationshipStatus><subject><reference value="#repair-tech"/></subject><period><start value="2025-07-10T10:00:00Z"/><end value="2025-07-10T12:00:00Z"/></period></DeviceAssociation>