Common
HL7
Data sharing standards
HL7
Health Level Seven (HL7) is a set of technical standards for health information exchange between software applications. The name is a reference to the 7th layer, the application layer, in the OSI model. The standards are produced by HL7 International, an international standards organization, and are adopted by other standards-issuing bodies such as American National Standards Institute and International Organization for Standardization.
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