ANSI C63.27:2017, American National Standard for Evaluation of Wireless Coexistence has been released and it is a required compliance submission to the FDA. The standard has been published by the IEEE and has been approved by the American National Standards Institute on January 31, 2017. The standard provides a protocol based process and test methods to validate the ability of wireless devices to coexist with other wireless services that operate in the RF bands of a given wireless device. The standard specifies Key Performance Indicators (KPIs) that manufacturers can use to assess the coexistence ability of their radios. In addition, the standard has an outline of a required test plan and report contents, performance criteria, analysis & summary of test results, and analysis of uncertainties. Note that test laboratories may not have this standard adopted and manufacturers may need to make a special request from their test houses to test to this coexistence standard.