This code system http://touchstone.aegis.net/touchstone/fhir/testing/CodeSystem/codesystem-testscript-operation-codes defines the following codes:
| Code | Display | Definition |
| export | Bulk Data Export | Perform a Bulk Data export operation |
| get | GET | Perform an HTTP GET method |
| history-instance | History Instance | Retrieve the change history for a particular resource instance |
| history-type | History Type | Retrieve the change history for a particular resource type |
| history-system | History System | Retrieve the change history for all resource types |
| oauth2-authorize | OAuth2 Authorize | OAuth2 auth endpoint |
| oauth2-get-token | OAuth2 Get Token | OAuth2 token endpoint |
| oauth2-refresh-token | OAuth2 Refresh Token | OAuth2 refresh endpoint |
| oauth2-register | OAuth2 Client Registration | OAuth2 register endpoint |
| oauth2-revoke-token | OAuth2 Revoke Token | OAuth2 revoke endpoint |
| post | POST | Perform an HTTP POST method. |
| smart-launch | SMART on FHIR Launch | SMART on FHIR Launch |
| cds-services | CDS Hooks CDS Services | CDS Hooks CDS Services |
| appointment-book | CDS Hook appointment-book | CDS Hook appointment-book |
| encounter-discharge | CDS Hook encounter-discharge | CDS Hook encounter-discharge |
| encounter-start | CDS Hook encounter-start | CDS Hook encounter-start |
| medication-prescribe | CDS Hook medication-prescribe | CDS Hook medication-prescribe |
| order-dispatch | CDS Hook order-dispatch | CDS Hook order-dispatch |
| order-review | CDS Hook order-review | CDS Hook order-review |
| order-select | CDS Hook order-select | CDS Hook order-select |
| order-sign | CDS Hook order-sign | CDS Hook order-sign |
| patient-view | CDS Hook patient-view | CDS Hook patient-view |
