Thursday, February 27, 2020

Using the HL7 FHIR IG Builder for other Standards

As I mentioned earlier this week, there's a way that one can use the IG Builder to profile other content.  It all depends on having a FHIR Structure Definition for that content, as exists for CDA 2.1 and HL7 Version 2 Messages.  These two examples demonstrate that other structured content (such as that used for XDS-b, or NCPDP and X12) can also be documented using the StructuredDefinition resource.  This was one of Grahame's desiderata for constructing that resource, not that it was a requirement at all for FHIR, just a generally good idea he implemented because it was the right thing to do.

Using this structure definitions as the foundation, one can apply other FHIR tools, such as Sushi, or the IG Builder to create an implementation guide.  Sushi would need some work to create example instances using features of the StructureDefinition resource it probably doesn't deal well with right now (e.g., using XML attributes to describe output).

And IG Builder right now defaults to using a set of canonical StructureDefinitions for different versions of FHIR, although I'm sure there's a way to get it to look at others, although it might require additional work to expose that as an option.

Even so, imagine if everyone in healthcare could use the same set of tools to build an IG using standards from multiple SDOs.  It's a nice pipe dream.





2 comments:

  1. > Even so, imagine if everyone in healthcare could use the same set of tools to build an IG using standards from multiple SDOs. It's a nice pipe dream.

    Yes, we have been using LinkEHR with archetypes for that for more than 8 years ;)

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