HL7 stands for Health Level Seven, which is a set of standards for the exchange of clinical and administrative health data between different applications and systems. HL7 aims to improve the interoperability and quality of healthcare services by enabling consistent and reliable data communication.
HL7 has various versions and specifications, such as HL7 Version 2, HL7 Version 3, HL7 CDA, HL7 FHIR, and others. Each of these has different features and use cases, depending on the needs and preferences of the healthcare organizations and stakeholders.