Did you use something like Mirth Connect? I was going to ask what HL7 you were using, but it looks like you were using v2. > In my opinion, it is in their inte

Did you use something like Mirth Connect? I was going to ask what HL7 you were using, but it looks like you were using v2. > In my opinion, it is in their interest to leave enough room in the standards to require ever more and more software in order to bridge the gap between systems. I get your point. When I read about FHIR extensions, my immediate assumption was that a vendor would use it to throw a wrench. But FHIR does have an idea of conformance that I think better addresses the issues with earlier standards.