The final 2014 edition test method includes 48 test procedures and 18 sets of test data. They incorporate requirements mandated by the final stage 2 meaningful use rule. It was approved on December 14, 2012.
Only EHR systems and modules certified by an ONC Authorized Testing and Certification Body (ONC-ATCB) can be used by hospitals and eligible providers who participate in the federal health record system incentive payment program, commonly known as the "meaningful use" program.
The specifications can be accessed here.