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HL7 version 2.3.1 Implementation Guide

This document contains the specifications for sending laboratory-reportable findings to appropriate state, territorial, and federal health agencies using Health Level Seven (HL7) messages.  It is a guide for electronic communication of reportable diseases, consistent with recommended reporting of reportable conditions from laboratories to public health agencies using HL7 Version 2.3.1. The implementation guide follows the specifications described in the HL7 Standard Version 2.3.1 and focuses on one type of HL7 message, the Observational Report - Unsolicited (ORU).

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