The real cost of HL7 compliance is in the integration of back-end systems across heterogeneous platforms, databases, and transaction processing systems. The entire Health Care industry needs to deliver and receive HL7 messages into their business processes and internal systems. These systems are often based on legacy technologies such as webMethods adapters, part of a 60-plus adapter suite, significantly reduces the time and cost of integrating back-end systems and provides a less risky solution.