AS 4700.6:2013 pdf free download.Implementation of Health Level Seven (HL7) Version 2.5 Part 6: Referral, discharge and health record messaging. 4 DEFINITIONS For the purpose of this Standard, the definitions below apply. 4.1 Discharge The relinquishing of patient care in whole or in part by a healthcare provider or organization. 4.2 Discharge Referral A referral occurring in the context of...