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This guide is the reference point for published and development versions of the UK Core which is developed in sequences, the current sequences are DSTU (deprecated), STU1, STU2 and STU3. For an explanation of the UK Core development and scope of the sequences see the UK Core Development Sequences page.

The following versions of the UK Core Implementation Guide have been published:

  • Note where a package is marked as unlisted(deprecated) in the table below, implementers should move to a newer package if possible.
Date IG Version FHIR Version Description Guide Package
Current Versions
STU3 Sequence
20th September 2023 1.7.0 4.0.1 Current in development build for review. This is the subject of Clinical and Technical Assurance Sprint 7 Home Page
Download as zip
fhir.r4.ukcore.stu3.currentbuild 0.0.7-sprint-7-review
27th February 2023 1.6.0 4.0.1 Current in development build for review. This is the subject of Clinical and Technical Assurance Sprint 6. This content was subsequently added to the STU2 sequence. Home Page
Download as zip
fhir.r4.ukcore.stu3.currentbuild 0.0.4-sprint-6-review
STU2 Sequence
TBC 2.0.0 4.0.1 Second balloted UK Core TBC TBC
STU2 Historical versions - Not for implementation
5th March 2024 2.0.0 - STU2 Pre-release 4.0.1 Pre-release of 2.0.0, second balloted UK Core version. Home Page
Download as zip
fhir.r4.ukcore.stu2 2.0.0-pre-release
23rd June 2023 1.1.3 - STU2 release for Ballot 4.0.1 Release of UK Core STU2 Sequence for HL7 UK Ballot 2, containing assets from Clinical and Technical Assurance sprint 6, and additional updates. Home Page
Download as zip
fhir.r4.ukcore.stu2 1.1.3
25th May 2023 1.1.2 - STU2 pre-release for Ballot 4.0.1 Second pre-release of UK Core STU2 Sequence for HL7 UK Ballot 2, containing assets from Clinical and Technical Assurance sprint 6, and additional updates. Unreleased Unreleased
28th April 2023 1.1.1 - STU2 Draft Build 4.0.1 Draft build of UK Core STU2 Sequence, containing changes from initial pre ballot feedback. Unreleased Unreleased
1st March 2023 1.1.0 - STU2 pre-release for Ballot 4.0.1 First pre-release of UK Core STU2 Sequence for HL7 UK Ballot 2, containing assets from Clinical and Technical Assurance sprints 4 and 5, and additional updates. Unreleased Unlisted
STU1 Sequence
31st January 2023 1.0.0 4.0.1 First balloted UK Core Home Page
Download as zip
fhir.r4.ukcore.stu1 1.0.4
STU1 Historical versions - Not for implementation
18th November 2022 1.0.0 - STU1 Pre-release 4.0.1 Pre-release of 1.0.0 first balloted UK Core version Home Page fhir.r4.ukcore.stu1 1.0.0-pre-release
20th May 2022 0.5.0 - STU1 4.0.1 The build following sprint 5 of Clinical and Technical Assurance.
Home Page Unlisted
27th January 2022 0.4.0 - STU1 4.0.1 This version of UK Core is published for following review as part of sprint 4 of Clinical and Technical Assurance. This version has no other purpose and should not be implemented. Home Page Unlisted
19th January 2022 0.3.0 - STU1 4.0.1 This version of UK Core is published for review as part of sprint 4 of Clinical and Technical Assurance. This version has no other purpose and should not be implemented Home Page Unlisted
11th October 2021 0.2.0 - STU1 4.0.1 UK Core published for review as part of sprint 4 of Clinical and Technical Assurance. This version has no other purpose and should not be implemented Home Page Unlisted
10th September 2021 0.1.0 - STU1 4.0.1 First release of UK Core for Ballot containing updates following first three sprints of Clincal and Technical Assurance.
Home Page Unlisted
DSTU Sequence (Historical) Note: These Implementation Guides are archived and not publicly available.
Pre-release DSTU(pre-release) 4.0.1 Pre-migration to HL7 account development versions. NA NA