Extensions
FHIR Extensions allow AdvaPACS to expose additional information that is not available in the core HL7 FHIR R5 specification. They provide a standards-compliant way to include AdvaPACS-specific data while maintaining compatibility with FHIR clients and integrations.
Where possible, AdvaPACS uses standard FHIR resources and elements. However, some functionality requires additional metadata or configuration that is outside the scope of the base specification. In these cases, the information is represented using FHIR extensions.
About Extensions
A FHIR extension consists of a unique URL that identifies the extension and a value containing the additional information. Extensions can appear on resources, nested elements, or complex datatypes, depending on the purpose of the extension.
Applications that do not recognise an extension can safely ignore it, while applications that support the extension can use the additional data to enable enhanced functionality.
Available Extensions
AdvaPACS currently supports the following FHIR extensions:
| Extension | Description |
|---|---|
| Study Notes | Exposes study notes associated with an ImagingStudy resource, allowing authorised clients to retrieve additional clinical or operational notes. |
| Patient Portal Status | Indicates the patient portal availability or publication status for a resource, enabling clients to determine whether content has been made available through the patient portal. |
| Worklist Assignment | Provides information about the current reporting worklist assignment for a study, including the assigned user or workflow context where applicable. |