Interoperability

HL7 v2

HL7 Version 2 messaging standard

HL7 InternationalLatest · v2.9

Scope

HL7 v2 is the pipe-and-hat delimited messaging standard that carries most bedside device and lab traffic inside hospitals today. It predates FHIR by decades and remains dominant for ADT, orders, results, and device observations.

Where it applies in the room

  • ADT (admit / discharge / transfer) feeds
  • Order, result, and device observation messages
  • Interface engines and integration middleware

Source & further reading

Also known as

  • HL7 v2.x
  • HL7 v2
  • HL7 Version 2

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