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Nationwide Health Information Network (NHIN)

The nationwide health information network (NHIN) is a set of standards, services and policies that enable secure health information exchange over the Internet.  The network will provide the foundation for the exchange of health information across diverse entities, within communities and across the country.  For more information on the NHIN initiative, please visit   

NIST has been working with the NHIN initiative in the development of conformance test tools based on the NHIN specifications.  NIST makes available conformance tools for the following NHIN specifications: