DataDirect Technologies has released XML Converters 3.1, Java and .NET components that provide XML access (SAX, StAX, and DOM) to non-XML files including EDI, flat files and other legacy formats. Version 3.1 adds support for Standard Exchange Format (SEF) and Health Level Seven (HL7), "the health industry's standard for the exchange, management and integration of healthcare information to support patient care. DataDirect XML Converters version 3.1 for both Java and .NET include an implementation of the HL7 standard from the draft 2.1 to the current 2.5 release, across all messages and events". Pricing os roughly $1000 per format converted.
