exchange standard
HL7 v2: HL7 Version 2 Messaging
Negotiate message versions, local profiles, segment requirements, acknowledgements, and replay behavior per source system.
Versions and profiles
Deployment scope must be selected and verified before live exchange.
01ADT
02ORM/OML
03ORU
04SIU
05deployment-specific HL7 v2 versions
Approved exchange scope
- admission and transfer events
- orders
- results
- scheduling events
- interface-engine feeds
Required conformance artifacts
- message profile
- sample messages
- ACK/NACK behavior
- dead-letter and replay tests
Required before live use
- message validation
- timestamp preservation
- dead-letter handling
- source-system traceability
- human workflow review
Contract bindings
Connector contracts using this standard.
planned
HL7 Event Feed
clinical
Capture admission, discharge, transfer, order, and result events for workflow orchestration.Primary sources