| Source Element | Usage | Target |
| VirtualServiceDetail | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-VirtualServiceDetail |
| VirtualServiceDetail.id | UseExtensionFromAncestor | - |
| VirtualServiceDetail.extension | UseExtensionFromAncestor | - |
| VirtualServiceDetail.channelType | UseExtensionFromAncestor | - |
| VirtualServiceDetail.address[x] | UseExtensionFromAncestor | - |
| VirtualServiceDetail.additionalInfo | UseExtensionFromAncestor | - |
| VirtualServiceDetail.maxParticipants | UseExtensionFromAncestor | - |
| VirtualServiceDetail.sessionKey | UseExtensionFromAncestor | - |