Certification of Health IT ONC Office of the National Coordinator for Health Information Technology
HL7 v2 continues to serve as a foundational messaging standard for healthcare information exchange, particularly in hospital systems and laboratory interfaces. While FHIR represents the modern approach to interoperability, many healthcare organizations maintain HL7 v2 implementations for specific workflows and legacy system integration. The Trusted Exchange Framework and Common Agreement (TEFCA) enables secure, standardized health…