NHS Digital FHIR Implementation Guide

This guidance is under active development by NHS Digital and content may be added or updated on a regular basis.

Release Notes



NHS Digital version 2.5.0

  • UKCore fhir.r4.ukcore.stu1 version 0.5.0
  • Support for eRS


  • Based on UK Core Implementation Guide 0.1.0 - STU1 (ukcore.release1.stu1.01.01)
  • Numerous examples changed following FHIR Validation
  • Support for COVID Exemption API
  • Task.reasonCode altered to prefer SNOMED CT concepts
  • Profiling of NHSDigital-MessageHeader relaxed.
  • NHSDigital-PractitionerRole and NHSDigital-Practitioner now has constraint rules.
  • NHSDigital-Patient now has constraint rules
  • NHSDigital-Observation COVID Test pillar corrections
  • sds-user-id now optional in NHSDigital-Practitioner


NHSDigital-Patient extension https://fhir.hl7.org.uk/StructureDefinition/Extension-UKCore-NHSCommunication has been removed from the profile as it is no longer supported in UKCore.

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