The Ministry of Health will provide access to two core national systems – the National Health Index and Health Practitioner Index – using FHIR interfaces.
Group manager digital strategy and investment Darren Douglass says that by improving access to these core data sets as FHIR resources, the Ministry expects to make it easier for healthcare organisations and vendors to use them within their health applications.
The staged release of NHI and HPI production FHIR APIs (Application Programming Interfaces) is planned from mid-2020.
“New Zealand has adopted the HL7 FHIR (Health Level 7, Fast Healthcare Interoperability Resources) standard for exchanging healthcare information electronically as a core component of our interoperability architecture and standards, along with SNOMED CT and other health terminology services,” says Douglass.
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The NHI is a unique identifier assigned to every person in New Zealand and the HPI identifies health professionals.
“These two foundational data sets are already widely used across the NZ health sector so it made sense to provide access to these first,” he says.
HL7NZ chair emeritus David Hay is working with the Ministry on the project and says there are big gains to be had by opening up health data to multiple players.
Existing players like GP and hospital system suppliers generally already have access, but the interfaces are not that standardised or widely used, he explains.
“My vision is that we have an eco-system where smaller specialist systems can be created that nevertheless utilise these core national systems,” says Hay.
“This is a critical first step on the road to allowing that and I’m really delighted the Ministry is making this step and putting funding behind getting this working.”
Hay is assisting with the design and community engagement as a large part of FHIR is the community of people who can assist with both the design of the interfaces and implementation of them.
Initital work has been on the NHI interface with a draft design due to be completed before a HL7 FHIR and SNOMED CT Implementation Workshop in Auckland on 19 June, where it will be tested by the community.
Hay says by involving the FHIR community in the process, it ensures changes to the design are made early on in the process rather than needing expensive re-working at a later date.
Once the necessary security and privacy protections are in place, Hay hopes to see other data sets exposed in the same way, such as prescribing data.
“FHIR is emerging internationally as the next generation of interoperability standards,” he says.
“New Zealand has the potential of becoming leaders in some of this space because we are relatively small, we have national systems already in place and we’re willing to give things a try.”
Douglass says the changes are part of the wider Digital Health Strategic Framework objective of accessible trusted information.
Some read-only APIs are planned for earlier release to add and update functionality and guides for testing and implementation will be released in advance of each production release.
Date: May 14, 2019