Page "Health Level 7" Paragraph 39

HL7 v2. x has allowed for the interoperability between electronic Patient Administration Systems ( PAS ), Electronic Practice Management ( EPM ) systems, Laboratory Information Systems ( LIS ), Dietary, Pharmacy and Billing systems as well as Electronic Medical Record ( EMR ) or Electronic Health Record ( EHR ) systems.

Currently, HL7 ’ s v2. x messaging standard is supported by every major medical information systems vendor in the United States.