FHIR enabling an immunization registry

In New Zealand (and other places as well I expect) we’ve had a national registry for immunizations for a number of years – the National Immunization Register or NIR

It’s currently fed by HL7 version 2 messages and there’s a User Interface for authorized users, but there was always a plan to introduce a FHIR interface to some point – something that has been accelerated by the current COVID pandemic of course.

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‘Default’ namespaces in HL7 v2

So I had an interesting question this week about coded values when importing data from HL7 v2 messages into a data store, and then subsequently exporting them in FHIR interfaces.

The specific question was what should the ‘default’ namespace be when the namespace is not specified in the v2 message?

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FHIR and Version 2: the Location

So last week  Simone Heckman  (CTO of Gefyra GmbH) wrote a piece in the FHIR chat in response to a query about mapping data from an HL7 v2 message into FHIR – specifically about representing the location of a patient as shown in the PV1 segment of the message into FHIR resources. It was a great response so I asked her if I could repeat it here and she was kind enough to not only say yes, but also beef it up a bit!

Over to you Simone…

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