Online resources for browsing the HL7v2 specification

The HL7v2 specification is available for download from the HL7 website as a PDF document. The PDF document is a great resource for searching for specific information, but it is not very useful for browsing the specification. The following links provide online resources for browsing the HL7v2 specification.

Links for browsing the HL7v2 specification

ResourceComments
Frank Oemig's HTML version of the specificationAvailable for versions 2.1 through 2.9.
HL7v2+ demo siteOnly available for version HL7v2+.
HL7v2+ demo site (draft)Only available for version HL7v2+.
HL7.eu's HTML version of the specificationAvailable for versions 2.1 through 2.9.
Caristix HL7-Definition V2Available for versions 2.1 through 2.8.
HAPI library's JavaDocAvailable for versions 2.1 through 2.8.1.
Schemas used by the Redox HL7v2 parser/generator
HL7v2 Spec ViewerAvailable for versions 2.1 through 2.8.

Related projects

The list of sources of the structured and machine-readable HL7v2 specifications.
HL7v2
Generate HL7v2 schemas from the HL7 abstract message syntax.
HL7v2, schema
Translating HL7v2 messages to FHIR.
HL7v2, FHIR
Validate HL7v2 messages against the HL7 abstract message syntax.
HL7v2, data validation
Libraries for parsing HL7v2 messages in JavaScript.
HL7v2
Convert HL7 messages to FHIR online.
HL7v2, FHIR
A browser for the HL7v2 specification.
HL7v2, ER7
An online parser for HL7v2 messages.
HL7v2, ER7
An online editor for HL7v2 messages.
HL7v2, ER7

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