Operations supported by REST at the type or instance level.
This value set includes codes from the following code systems:
| Code | Display | |
| read | read | Read the current state of the resource. |
| vread | vread | Read the state of a specific version of the resource. |
| update | update | Update an existing resource by its id (or create it if it is new). |
| delete | delete | Delete a resource. |
| history-instance | history-instance | Retrieve the update history for a particular resource. |
| validate | validate | Check that the content would be acceptable as an update. |
| history-type | history-type | Retrieve the update history for a all resources of a particular type. |
| create | create | Create a new resource with a server assigned id. |
| search-type | search-type | Search all resources of the specified type based on some filter criteria. |