Availability
The software for VistA Imaging has been made available through the Freedom of Information Act so that it is in the public domain. Due to its designation as a medical device, however, it can not be designated as free open source software and therefore can not be altered or implemented without FDA approval.
Although it can be used in healthcare facilities that are outside the Department of Veterans Affairs, this is possible only if the proprietary modules that have been integrated into it are also licensed and implementation is registered with the FDA. This has effectively limited its use to government institutions who have licensed the proprietary modules.
It is nominally available through the Department of Veterans Affairs software request office for a fee of around $15.
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