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LOI/LRI has continued on as Lab US Realm, found here
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BACKGROUND (LOI)
The Laboratory Orders Interface (LOI) Initiative is focused on the creation of an Implementation Guide (IG) for the ambulatory setting that builds on the architecture and design of the California HealthCare Foundation’s (CHCF) EHR-Lab Interoperability and Connectivity Specification (ELINCS) Laboratory Orders and the Health Level Seven (HL7) Version 2.5.1 Implementation Guide: S&I Framework Lab Results Interface.
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