STU Publication of HL7 Version 2.5.1 Implementation Guide: Laboratory Orders (LOI) from EHR, Release 1, STU Release 4 – US Realm
Learn more at https://www.hl7.org/implement/standards/product_brief.cfm?product_id=152
Learn more at https://www.hl7.org/implement/standards/product_brief.cfm?product_id=152