The book is organised into four parts. The first part covers the principles of health interoperability, why it matters, why it is hard and why models are an important part of the solution.  The second part covers clinical terminology and SNOMED CT. The third part covers the main HL7 standards: v2, v3, CDA and IHE XDS.  The new fourth part covers FHIR and has been contributed by Grahame Grieve, the original FHIR chief. weiterlesen