If the denominator value for all three of the core clinical quality measures is zero, an EP must report a zero denominator for all such core measures, and then must also report on all 3 alternate core clinical quality measures. If the denominator values for all three of the alternate core clinical quality measures is also '0,' an EP still needs to report on 3 additional clinical quality measures. Zero is an acceptable denominator provided that this value was produced by certified EHR technology. For more information about the Medicare and Medicaid EHR Incentive Program, please visit http://www.cms.gov/EHRIncentivePrograms .