Seven statewide health information exchanges and 11 HIT vendors have agreed to use a set of technical specifications to standardize connectivity between the HIEs, providers and other partners.

The participating HIEs are federally funded under the HITECH Act. They include California, Colorado, Maryland, Massachusetts, New Jersey, New York and Oregon.

EHR vendor participants include Allscripts, eClinicalWorks, e-MDs, Greenway, McKesson, NextGen, Sage and Siemens. Participating HIE vendors are Axolotl (OptumInsight), InterSystems and Medicity.

The New York eHealth Collaborative formed the EHR/HIE Interoperability Workgroup that reached agreement on standards-based connectivity. The goal is to reduce technical specification differences for linking EHRs to various HIEs, and to cut wait times for interface development and costs.

Initial adopted specifications focus on using the Continuity of Care Document to send and receive patient records, including how to send encrypted data via the Internet; and aiding clinicians to query an HIE for relevant data on a specific patient. More information is available at


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