When you work with HL7 v2 messages in Microsoft BizTalk Server, you need to understand the systems that you are working with, the varied structure of your messages, and how the HL7 Accelerator complements the already robust capabilities of BizTalk Server. This paper addresses these challenges. It also discusses the functional points of the HL7 Accelerator that help you use basic BizTalk functionality to produce a complete solution.

HL7 v2 Developer Guide