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EPS prescribing system specification

Provides the specification for the EPS prescribing system. This is being developed in the first instance to allow urgent and emergency care systems to generate EPS prescriptions, but could also be introduced to other settings. The specification documents below provide baseline functionality to which more functionality can be added within supplementary specifications.

SCAL notice for suppliers

Please refer to the Supplier Conformance Assessment List (SCAL) as the definitive source of supplier information and guidance for EPS development. You will receive the SCAL when you begin the EPS onboarding process.

Functional scope

The prescribing specification has been reduced to provide minimal functionality, ruling the following out of scope:

  • Repeat dispensing prescriptions
  • Repeat prescribing prescriptions
  • Delayed prescribing
  • Routine prescriptions
  • Nomination update
  • EPS release 1
  • Patient consent flags
  • Non nominated prescriptions
  • EPS implementation phase modes
  • Post-dated prescriptions
  • DMS 3.3.0 prescription messaging
  • Repeat lists
  • Cancellation on deduction
  • Personal administration
  • Protocol supply
  • Bulk signing
  • Single item cancellation

The functional requirements in scope are therefore;

  • Acute (one-off) prescriptions
  • Advanced electronic signatures
  • One-off nomination
  • Update of local patient demographic record with information from Spine Demographics
  • Dictionary of Medicines and Devices (dm+d)
  • Prescription cancellation
  • Prescription token printing
  • Reporting and information requirements

The Electronic Prescription Service - HL7 V3 API is deprecated, and a retriement date will be announced soon.

If you are developing a new integration, you must use the Electronic Prescription Service - FHIR API instead.

If you have any concerns, contact us.


Specification development

Some of the documents below are in draft form, are unapproved,  were published for consultation, or were published some time ago. These should not be used to develop against. 


Last edited: 17 February 2023 12:45 pm