all I was wondering if anyone had a full BNF for HL7 2.5? I am looking to compile this using the gold parser engine but would be happy to convert from EBNF or vendor specific BNF.
The BNF description of HL7 message can be downloaded here.
After a few days of researching (which I am sure you have tried) I cannot find a BNF for HL7 v2.5. I would recommend that you try to joing the HL7 community at www.hl7.org and see if you can push some buttons to get a more descriptive BNF designed. Good luck.
The documentation is pretty sparse and hard to get if you are not a member of HL7. The documents that you get once you sign up (and pay) are pdfs and the grammar is not easily ingested.
There are discounts for your affiliation with differing organizations. For instance, they will call the AMA to check your credentials if you claim to be a provider.
We have had to slow our HL7 rollout and implement only the messages as we need them, as opposed to simply having a parser chew out the schema. It is clear that HL7 was made in a more golden age of the Internet.
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