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Application of HL7 in a Collaborative Healthcare Information System

This paper presents our application of Health Level Seven (HL7) standard in a collaborative healthcare information system (HIS). Originally, we have used HL7 message events to flow among HIS systems. Later on, we found that the message interface management become a nightmare for system engineers. Recently, we extract the spirit of HL7 standard to create an alterative HL7 usage over the web services, and reorganize our traditional programmer team into a software collaborative team (SCT) to manage the project schedules effectively. Gradually, this new methodology had already been accepted by most of our system engineers. Moreover, the application of this methodology at National Taiwan University Hospital (NTUH) has shown that it can decrease the HIS system development cost.