NHS North West Genomics
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Official URL: https://fhir.nwgenomics.nhs.uk/ImplementationGuide/fhir.nwgenomics.nhs.uk Version: 2.0.0
Draft as of 2026-05-30 Computable Name: NWGMSA

Overview

Diagnostic testing is essential to modern clinical care, offering objective information that supports decision-making at every stage of a patient’s journey—from initial evaluation to long-term monitoring and assessment of outcomes.

Genomic diagnostic testing contributes to this process by examining a patient’s DNA or RNA to detect genetic variations that influence disease susceptibility, diagnosis, treatment choices, and prognosis. By delivering highly specific and personalised insights, genomic testing improves the accuracy and effectiveness of clinical management.

NW Genomics Technical Overview

NHS North West Genomics is a new regional NHS service that consolidates clinical genomic testing across the North West of England. Although the service is delivered regionally, it also processes genomic test requests from across the UK. The service is hosted by Manchester University NHS Foundation Trust.

As part of the service transition, existing systems for electronic test ordering and reporting will be enhanced through the introduction of a Regional Orchestration Engine (ROE) and a Genomic Data Platform. These components enable seamless data exchange between local clinical systems and regional genomic laboratory services.

NW Genomics GACS Interoperability Platform

How to Read this IG

graph TD 

User[<b>User Requirements</b> <br/><br/> Clinical Workflow<br/>Patient Pathway]
IHE[<b>Analysis & Design - Vol 1</b> <br/><br/>IHE + EURDICE]
HL7[<b>Interfaces - Vol 2</b> <br/><br/> HL7 FHIR REST API and V2/FHIR Messages]
Data[<b>Data Models and Domain Archetypes - Vol 3</b> <br/><br/> NHS England, EHDS, HL7, openEHR, etc]
Artefacts[<b>Artefacts, Entities & Data Contracts - Vol 4</b>  <br/><br/>Canonical Data Model] 

User --> IHE
IHE --> HL7
IHE --> Data
Data --> Artefacts
Artefacts --> |Constrains| HL7

    classDef pink fill:#F8CECC;
    classDef blue fill:#DAE8FC;
    classDef purple fill:#E1D5E7;

    class Data,Artefacts blue;
    class HL7 pink;
    class IHE purple;
Menu Item Description Audience
   Analysis and Design (Volume 1) Description of the processes and corresponding technical frameworks General
   Interfaces (Volume 2) Description of the processes and corresponding technical frameworks (HL7 v2 and FHIR Interactions) Detailed Technical (Integration Developer)
   Data Models (Volume 3) NHS North West Forms, Templates, Reports, and Compositions Data Modeling (Detailed Technical)
   Artefacts (Volume 4) NHS North West Common Data Models Detailed Technical
   Development Testing, Suppport and Architecture Detailed Technical (Developer)
Diagnostic Process Analysis and Design Interfaces Domain Archetype
Test Workflow Management Laboratory Testing Workflow (LTW) FHIR Workflow LAB-4 and LAB-5 Work Order
Laboratory Analyte Result
Laboratory Order Laboratory Testing Workflow (LTW) Message Exchange [MQ] LAB-1 North West Genomics Test Order
  Health Data API (HIE/EURDICE) Resource Access [IPA/QEDm]  
  Inter Laboratory Workflow (ILW) Message Exchange [MQ]  
Laboratory Report Laboratory Testing Workflow (LTW) Message Exchange [MQ] LAB-3
Document Exchange [MHD] MDM_T02
North West Genomics Test Report
  Health Data API (HIE/EURDICE) Resource Access [IPA/QEDm]  
  Health Data API (HIE/EURDICE) Document Exchange [MHD] ITI-67 ITI-68 DocumentReference[MHD]/Document Entry[XDS]
plus Future - FHIR Document HL7 Europe Laboratory Report
Specimen Collection Future - Specimen Event Tracking (SET) Resource Access [IPA/QEDm]  
API Security API Security Authorisation [IUA] OAuth2  

SNOMED CT

UK edition of SNOMED (83821000000107)

Dependencies

IGPackageFHIRComment
.. NHS North West Genomicsfhir.nwgenomics.nhs.uk#2.0.0R4
... HL7 Terminology (THO)hl7.terminology.r4#7.1.0R4Automatically added as a dependency - all IGs depend on HL7 Terminology
.... FHIR Extensions Packhl7.fhir.uv.extensions.r4#5.2.0R4
... FHIR Extensions Packhl7.fhir.uv.extensions.r4#5.3.0R4Automatically added as a dependency - all IGs depend on the HL7 Extension Pack
... HL7 Europe Base and Core FHIR IGhl7.fhir.eu.base#2.0.0R4
.... Extensions for Using Data Elements from FHIR R5 in FHIR R4hl7.fhir.uv.xver-r5.r4#0.1.0R4
.... HL7 Europe Extensionshl7.fhir.eu.extensions.r4#1.3.0R4
.... Medication Prescription and Dispense (MPD)ihe.pharm.mpd.r4#1.0.0-comment-2R4
..... HL7 Terminology (THO)hl7.terminology.r4#6.3.0R4
... fhir.r4.ukcore.stu3.currentbuildfhir.r4.ukcore.stu3.currentbuild#0.0.19-pre-releaseR4
... HL7 Europe Laboratory Reporthl7.fhir.eu.laboratory#2.0.0R4
... Structured Data Capturehl7.fhir.uv.sdc#3.0.0R4
... Basic Audit Log Patterns (BALP)ihe.iti.balp#1.1.4R4
.... HL7 Terminology (THO)hl7.terminology.r4#6.5.0R4
... FHIR Tooling Extensions IGhl7.fhir.uv.tools.r4#1.1.2R4for example references

Package hl7.fhir.uv.extensions.r4#5.2.0

This IG defines the global extensions - the ones defined for everyone. These extensions are always in scope wherever FHIR is being used (built Mon, Feb 10, 2025 21:45+1100+11:00)

Package hl7.fhir.uv.extensions.r4#5.3.0

This IG defines the global extensions - the ones defined for everyone. These extensions are always in scope wherever FHIR is being used (built Sat, May 16, 2026 18:32+1000+10:00)

Package hl7.fhir.uv.xver-r5.r4#0.1.0

Extensions for Using Data Elements from FHIR R5 in FHIR R4 (built Fri, Mar 20, 2026 15:40+1100+11:00)

Package hl7.fhir.eu.extensions.r4#1.3.0

This guide lists the extensions specified for the European REALM. (built Fri, Mar 27, 2026 19:47+0100+01:00)

Package ihe.pharm.mpd.r4#1.0.0-comment-2

ImplementationGuide for IHE Pharmacy Medication Prescription and Dispense (MPD) profile (built Tue, May 27, 2025 16:32+0200+02:00)

Package hl7.fhir.eu.base#2.0.0

This guide collects base and core profiles to be used in the European context. It also includes common artifacts, such as the profiles describing the European Health Insurance Card. (built Mon, Apr 27, 2026 22:40+0300+03:00)

Package fhir.r4.ukcore.stu3.currentbuild#0.0.19-pre-release

UK Core FHIR profiles and Assets

Package hl7.fhir.eu.laboratory#2.0.0

This guide describes how the Laboratory Report can be represented in the European REALM. (built Tue, May 5, 2026 16:28+0200+02:00)

Package hl7.fhir.uv.sdc#3.0.0

The SDC specification provides an infrastructure to standardize the capture and expanded use of patient-level data collected within an EHR.
This includes two components:
* Support more sophisticated questionnaire/form use-cases such as those needed for research, oncology, pathology and other clinical domains.
*Support pre-population and auto-population of EHR data into forms/questionnaires for uses outside direct clinical care (patient safety, adverse event reporting, public health reporting, etc.). (built Tue, Mar 8, 2022 18:32+0000+00:00)

Package ihe.iti.balp#1.1.4

The Basic Audit Log Patterns (BALP) Implementation Guide is a Content Profile that defines some basic and reusable AuditEvent patterns. This includes basic audit log profiles for FHIR RESTful operations to be used when there is not a more specific audit event defined. A focus is enabling Privacy centric AuditEvent logs that hold well formed indication of the Patient when they are the subject of the activity being recorded in the log. Where a more specific audit event can be defined it should be derived off of these basic patterns. (built Fri, Oct 31, 2025 12:53-0500-05:00)

Package hl7.fhir.uv.tools.r4#1.1.2

This IG defines the extensions that the tools use internally. Some of these extensions are content that are being evaluated for elevation into the main spec, and others are tooling concerns (built Tue, Mar 24, 2026 11:13+1100+11:00)

Credits

Role(s) Contributor(s)
  North West Genomic Medicine Service Alliance
  Alder Hey Children's Hospital Trust
  Manchester University NHS Foundation Trust
  Liverpool Womens NHS Foundation Trust
  The Christie NHS Foundation Trust
  NHS England
Staff Engineer Kevin Mayfield, Aire Logic & Mayfield IS