The International Organization for Standardization has published as an international standard the Electronic Health Record System Functional Model, Release 1.1. The standard was developed by Health Level Seven, a standards development organization in Ann Arbor, Mich.

The functional model is designed to provide guidance to EHR software developers and purchasers about the features any such product should have. The model contains about 1,000 criteria covering more than 150 functions in such areas as medication history, problem lists, orders, clinical decision support, and privacy and security.

Making the model an international standard will enable vendors worldwide to develop, and clinicians to use, EHRs based on one set of functional requirements, according to HL7. Nations using or planning to use the model include The Netherlands, Japan, South Korea and Thailand.

More information is available at hl7.org/ehr.

--Joseph Goedert

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