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Explore and Make use of Nationally Defined Messaging APIs


Release Notes

Summary release notes of the versions released in ITK3 Emergency Care eDischarge Implementation Guide


  • Updated to 2.8.0-live.


  • Updated information about attachments.



  • CareConnect-ITK-ECD-Composition-1 - The SNOMED CT bindings for the profile sections has been amended to fix validation errors.
  • CareConnect-ITK-Condition-1 - Element abatement has been reinstated. Cardinality has been changed from 0..0 to 0..1.

Section Headings

  • Inconsistencies of section headings between pages have been rectified.
  • Addition of Quantity supplied heading which had been omitted.

Message Definition


General Page Issues

  • Fixed broken links to CareConnect Profiles.
  • Fixed display issues with section pages displaying random ## characters


  • Condition Profile has optional condition.note added to profile and minor version increased +1
  • Composition Profile has care-setting extension aligned with CareConnect results in a URL change but structure is identical
  • Composition Profile has document type value set aligned with CareConnect results in URL change but codes are identical
  • Composition Profile, Medical and medical devices section entry cardinally change from 1..* to 0..* to allow for when medication cannot be coded
  • Removal of Organization reference from Person Completing record Section as it was an incorrect reference
  • Removal of optional element verificationStatus from Composition Profile as no requirement to use for Transfer of Care
  • MedicationDispense Profile Identifier.system and Identifier.value cardinality changed from 0..1 to 1..1. to align with MVP document
  • CareConnect-ITK-AllergyIntolerance-1 added optional SNOMED CT Description Id extension to AllergyIntolerance.code element not used by ToC but added to future proof ITK Profiles
  • CareConnect-ITK-AllergyIntolerance-1 Profile AllergyIntolerance.assertedDate element cardinality changed from 0..1 to 1..1. to align with MVP document and CareConnect base Profile

CareConnect Value Set Changes that Impact ToC

  • CareConnect-ListCode-1 value set display value=”Allergies and adverse reaction” should be display value=”Allergies and adverse reactions”.
  • null flavor codes added to the ValueSet CareConnect-AllergyManifestation-1 used in element AllergyIntolerance.reaction.manifestation

PRSB Headings

  • Specification has been aligned with the latest PRSB maintenance release
  • Allergies and Adverse Reactions Description of reaction element changed from optional to required
  • Allergies and Adverse Reactions Severity element changed from optional to required
  • Allergies and Adverse Reactions Certainty element changed from optional to required
  • Diagnosis comment element changed from optional to required
  • Safeguarding issues element renamed to Safeguarding concerns

Value Sets

  • See CareConnect Value Set

Message Definitions

  • Updated to reflect changes to FHIR asset versions due to changes documented here.
  • Message definition URL aligned with NHS Digital FHIR policy naming by removing word instance

Additional Guidance

  • Added guidance for population of GP Practice identifier(ODS Code) when using MESH look up see
  • Added guidance for document replacement semantics see


  • Section overview diagram updated to remove reference to organization on Person Completing Record section
  • Section overview diagram updated to add reference to encounter from Attendance details section to align with the Composition Profile



  • New CareConnect-ITK-MedicationResponse-1 Profile added to support TTOs (To take outs)
  • Updated CareConnect-ITK-MedicationStatement-1 to support reference to CareConnect-ITK-MedicationResponse-1.

Specification Pages

  • Updated Profile page to include the new Profile
  • Updated Message Definitions
  • Added new MedicationDispense referencing diagram
  • Updated MedicationStatement referencing diagram to include MedicationDispense Resource
  • Update “Build medication list” pages


PRSB section tables

These have been updated to include mappings of the PRSB elements to the FHIR elements (where there are mappings).


Examples have been updated and corrected following further validation.

All Coded entries are now done as lists. Medication is now two lists one for “Active” and one for “Discontinued”.

Constructing clinical coded structures section

Updated with new guidance derived from INTEROPen curation.



All profiles have been updated to align with CareConnect profiles following INTEROPen curation.

Examples All examples have been updated to align with CareConnect profiles following INTEROPen curation.


The section Design & Build/Constructing Clinical Coded Structures has been updated to reflect the change to the approach following INTEROPen curation process.


Infrastructure Changes

Changed to align with the ITK3 Messaging Distribution specification version 2.1.0-beta.

Messaging Architecture Changes

Interactions have been replaced by message definitions and new ITK3 Handling keys.

Value sets / Code Systems

The url for ValueSet-CareSettingType-1, has changed to so that it can be used across programs, also the internal version has changed to 1.0.0.

Composition Sections

The structure used for the Patient demographics , GP practice and Distribution list sections has been changed to have specific slices in the composition to align with all other PRSB sections. Descriptions and examples have been updated to suit.

Section Guidance

All PRSB headings and subheadings have been updated following release of the version 1.0 PRSB documentation. Descriptions and examples have been updated to suit.

New Profiles

Added Binary Resource Profile to allow support for attachments.

Specification Structure

Added new sub menus under Design and build section for “Use of Attachments” and “Rendering of Documents” these are place-holders for guidance to be issued in a later release.


First version published using Jekyll

Tags: development

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