FYI Offered below is a newly released HIMSS Report entitled "Definingand Testing EMR Usability: Principles and Proposed Methods of EMRUsability Evaluation and Rating". This is potentially a ripe sourcefor specifying "usability" functions and criteria in the EHR SystemFunctional Model Release 2, building on Release 1 coverage.
http://www.himss.org/content/files/HIMSS_DefiningandTestingEMRUsability.pdf |