This code system http://hl7.org/fhir/audit-event-action defines the following codes:
| Code | Display | Definition |
| C | Create | Create a new database object, such as placing an order. |
| R | Read/View/Print | Display or print data, such as a doctor census. |
| U | Update | Update data, such as revise patient information. |
| D | Delete | Delete items, such as a doctor master file record. |
| E | Execute | Perform a system or application function such as log-on, program execution or use of an object's method, or perform a query/search operation. |