Interoperability Initiatives

Messaging (e.g., HL7 v2/v3, X12, IHE Profiles, HITSP, eHealth Exchange, Direct, Standards and Interoperability Framework)
Document (e.g., CCD/CCDA, FHIR, NCPDP)
Semantic (e.g., ICD10, CPT4, LOINC, SNOMED)