A collection of software developer resources previously found on the Health Developer Network (developer.nhs.uk).
Interoperability Toolkit: Guidance for developers
HL7V3 Health and Social Care Integration Domain Message Specification
The Health and Social Care Integration (HSCI) Domain Message Specification (DMS) supports the communication requirements of the Assessment, Discharge and Withdrawal Notices Between Hospitals and Social Services Information Standard.
ITK Payloads – HL7v3 and Clinical Document Architecture
The NHS Interoperability Toolkit (ITK) provides specifications for electronic messaging between systems, supported by an accreditation for suppliers who build solutions that adhere to these specifications. This page explains the two main areas; transport and payloads.
NHS Interoperability Framework
The Interoperability Toolkit (ITK) is a set of national standards, frameworks and implementation guides to support interoperability within local organisations and across local health communities. The ITK is not a piece of software.
ITK API and reference implementation scenarios
This page summarises a number of scenarios that illustrate how the the API and reference implementation can be used in the real world.
Downloads and data - ITK developer resources
Download tools and source code for developers relating to the Interoperability Toolkit (ITK). This content was previously found on the developer.nhs.uk platform.
Interoperability Toolkit (ITK) release 2.2
The Interoperability Toolkit (ITK) aims to standardise interoperability within both health and social care.
ITK3 Test Harness
NHS Digital has developed a set of generic FHIR messaging components to allow a standard approach to FHIR MessageHeaders and responses across NHS message and document flows in England. These components, along with NHS Digital payload specifications, are part of the ITK3 solution.
Transfer of Care specification versions
This page contains the new and previous Transfer of Care specifications.