Finding Imaging Reports and Images - Central Registry (NRL)

Radiology (Sandbox)
0.0.1-current - ci-build International flag

Requirement Specification

This is for collaboration and discussion purposes and is subject to change.

This is not an Implementation Guide

Radiology (Sandbox) - Local Development build (v0.0.1-current) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

ExampleScenario: Finding Imaging Reports and Images - Central Registry (NRL)

Official URL: https://fhir.nhs.uk/England/RAD/ExampleScenario/FindingImagingReportsStudiesAndImagesCentralRegistry				Version: 0.0.1-current
Draft as of 2024-10-24				Computable Name: FindingImagingReportsStudiesAndImagesCentralRegistry

Actors

Generated Narrative: ExampleScenario FindingImagingReportsStudiesAndImagesCentralRegistry

Name	Type	Description
Document Consumer	System	The Document Consumer Actor queries for documents meeting certain criteria, and may retrieve selected documents.
Document Registry	System	The Document Registry Actor maintains metadata about each registered document in a document entry. This includes a link to the Document in the Repository where it is stored. The Document Registry responds to queries from Document Consumer actors about documents meeting specific criteria.
Document Repository	System	The Document Repository is responsible for both the persistent storage of these documents (e.g. Imaging Report)
Imaging Repository	System	The Imaging Repository is responsible for both the persistent storage of DICOM Images and Imaging Studies, these may also contain Imaging Reports. This is also known as a PACS.

Diagram

Processes

Generated Narrative: ExampleScenario FindingImagingReportsStudiesAndImagesCentralRegistry

Process: Query patient image and/or report

Step	Name	Description	Initiator	Receiver	Request	Response
1	Search for Documents - search-type (Details: FHIR Restful Interactions code search-type)		Document Consumer	Document Registry	Query for Document Entries	Return Document Entry results

Process: Option - Retrieve selected imaging report

This is an optional step. The Document Consumer may choose to retrieve the Imaging Report. At present this is a Royal College of Radiologists HL7 ORU converted to a FHIR DiagnosticReport profile as Imaging Report, this also contains mappings between HL7 ORU and FHIR DiagnosticReport.

Other options are being discussed by HL7 Europe such as a EU Medical imaging studies and reports which is likely to be a derivative of HL7 IPS, like the HL7 Europe Laboratory Report.

Step	Name	Description	Initiator	Receiver	Request	Response
1	Retrieve Imaging Report by searching on a _id - search-type (Details: FHIR Restful Interactions code search-type)		Document Consumer	Document Repository	Query for DiagnosticReport	Return DiagnosticReport results

Process: Option - Retrieve selected imaging study

This is an optional step. The Document Consumer may choose to retrieve the Imaging Study. At present this is a DICOM KOS which contains DICOM modalities to used for retrieval of the Image Instances.

Other options include using FHIR ImagingStudy which is a FHIR version of the DICOM KOS.

Process: Retrieve selected image (optional)

Step	Name	Description	Initiator	Receiver	Request	Response
1	Retrieve Imaging Study - read (Details: FHIR Restful Interactions code read)		Document Consumer	Imaging Repository	Read ImagingStudy	Return Imaging Study
2	See subprocess below

Step	Name	Description	Initiator	Receiver	Request	Response
2.1	Retrieve Image - read (Details: FHIR Restful Interactions code read)		Document Consumer	Imaging Repository	Read Image Instance	Return Image

Instances

Generated Narrative: ExampleScenario FindingImagingReportsStudiesAndImagesCentralRegistry

Name	Type	Content	Description
Query for Document Entries	Binary		See Finding and Retrieving Document Entries (NRL) for API base contract. E.g. `GET https://example.nhs.uk/FHIR/R4/DocumentReference?subject:identifier=https://fhir.nhs.uk/Id/nhs-number\|9912003888`
Return Document Entry results	Bundle
Search Results NRL	Bundle	here
Query for DiagnosticReport	Binary		See Find and Retrieve Imaging Reports for API base contract. E.g. `GET https://example.nhs.uk/FHIR/R4/DiagnosticReport?_id=ABCD`
Return DiagnosticReport results	Bundle
Search Diagnostic Report by _id	Bundle	here
Read ImagingStudy	Binary		See Retrieve Imaging Study for API overview
Return Imaging Study	Binary		DICOM KOS
Read Image Instance	Binary		See Retrieve Image Instances for API overview
Return Image	Binary		DICOM Image Instance

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