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.
| Resource | Comments |
|---|---|
| Frank Oemig's HTML version of the specification | Available for versions 2.1 through 2.9. |
| HL7v2+ demo site | Only available for version HL7v2+. |
| HL7v2+ demo site (draft) | Only available for version HL7v2+. |
| HL7.eu's HTML version of the specification | Available for versions 2.1 through 2.9. |
| Caristix HL7-Definition V2 | Available for versions 2.1 through 2.8. |
| HAPI library's JavaDoc | Available for versions 2.1 through 2.8.1. |
| Schemas used by the Redox HL7v2 parser/generator | |
| HL7v2 Spec Viewer | Available for versions 2.1 through 2.8. |
Made by Anton Vasetenkov.