| Source Element | Usage | Target |
| DeviceComponent | UseExtension | http://hl7.org/fhir/1.0/StructureDefinition/extension-DeviceComponent |
| DeviceComponent.id | UseExtensionFromAncestor | - |
| DeviceComponent.meta | UseExtensionFromAncestor | - |
| DeviceComponent.implicitRules | UseExtensionFromAncestor | - |
| DeviceComponent.language | UseExtensionFromAncestor | - |
| DeviceComponent.text | UseExtensionFromAncestor | - |
| DeviceComponent.contained | UseExtensionFromAncestor | - |
| DeviceComponent.extension | UseExtensionFromAncestor | - |
| DeviceComponent.modifierExtension | UseExtensionFromAncestor | - |
| DeviceComponent.type | UseExtensionFromAncestor | - |
| DeviceComponent.identifier | UseExtensionFromAncestor | - |
| DeviceComponent.lastSystemChange | UseExtensionFromAncestor | - |
| DeviceComponent.source | UseExtensionFromAncestor | - |
| DeviceComponent.parent | UseExtensionFromAncestor | - |
| DeviceComponent.operationalStatus | UseExtensionFromAncestor | - |
| DeviceComponent.parameterGroup | UseExtensionFromAncestor | - |
| DeviceComponent.measurementPrinciple | UseExtensionFromAncestor | - |
| DeviceComponent.productionSpecification | UseExtensionFromAncestor | - |
| DeviceComponent.productionSpecification.id | UseExtensionFromAncestor | - |
| DeviceComponent.productionSpecification.extension | UseExtensionFromAncestor | - |
| DeviceComponent.productionSpecification.modifierExtension | UseExtensionFromAncestor | - |
| DeviceComponent.productionSpecification.specType | UseExtensionFromAncestor | - |
| DeviceComponent.productionSpecification.componentId | UseExtensionFromAncestor | - |
| DeviceComponent.productionSpecification.productionSpec | UseExtensionFromAncestor | - |
| DeviceComponent.languageCode | UseExtensionFromAncestor | - |