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HL7 Message Maker: Comprehensive Tool for Testing and Creating HL7 Messages

This NIST-developed tool provides a robust testing framework for HL7 V2 profiles, creating partially populated ADT messages. Users can generate test messages, validate data, simulate HIS nodes, and more, enhancing conformance testing capabilities. The reference database and message maker features allow for structured, varied, and validated message creation. Explore the possibilities and optimize your testing process with this feature-rich tool.

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HL7 Message Maker: Comprehensive Tool for Testing and Creating HL7 Messages

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  1. NIST HL7 Message Maker VA MWB ~13000 Elements (~1200 Unique) Data Sources NIST HL7 Element DB (MS Access) [Static: Fixture Data] [Dynamic: Patterns] [Dynamic: Range] [Configuration: Site Specific] HL7 V2 Profile (XML) Message Maker Partially Populated for ADT Messages • HL7 Test • Messages • Profile based • Structurally correct • Validated • Varied • Descriptive • Suitable basis for • conformance testing Message Factory (XSLT) NIST Ref. Data (XML) HL7 Standard DB HL7 Tables (XML) User Tables (XML) • Testing Options • Usage • Cardinality • Volume • Data Content • Length • etc. Testing Framework External Tables (XML) NIST Created (Configurable) Interface Module Robert Snelick September 2004

  2. NIST Conformance Testing • Reference Database of HL7 Data Items • Tool for automatic creation of test messages • based on profile (XML), reference database • message variation • Testing Framework • simulated HIS node • send and receive messages • validation (messages and state of the database)

  3. Reference Database • Contain sample entries for all HL7 data items • range of values • simple, complex, boundary, valid, invalid • XML format • some data created automatically • Tables • HL7 Tables • User Tables (HL7 suggested values) • User Tables (NIST created or actual) • Code Sets

  4. Message Maker • Creates test messages • based of profile • range of messages (minimal to fully populated) • variation of data values • valid and invalid • description of test purpose • Messages • Displayable as XML, ER7, Enhanced ER7 • Batch file (initially) • Can be edited

  5. Message Maker Features • User can create message “by-hand” (select data items from DB) • Edit existing messages • String messages together into test scenarios • Control granularity and test case types • Import database • Modify reference database

  6. Questions and Issues • How important is it to have “sensible” data (e.g., a pregnant male)? Syntactically? Semantically? • Are there cases where it is important? • What are the important aspects to test? Any known problem areas? • Sources of example data; table data? • Conformance schema—add to profile? • What features should be added? • Sample requirements list?

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