Brief Description of Measure: CMS645: Bone density evaluation for patients with prostate cancer and receiving androgen deprivation therapy Percentage of patients determined as having prostate cancer who are currently starting or undergoing androgen deprivation therapy (ADT), for an anticipated period of 12 months or greater and who receive an initial bone density evaluation. The bone density evaluation must be prior to the start of ADT or within 3 months of the start of ADT. Description of Issue: Because Medication Active/Order Start Dates are filtered later in the logic to within 3 months, this logic does not need to look back 12 months.

Proposed Solution: Current: ["Medication, Active": "Androgen deprivation therapy for Urology Care"] ADTActive   where Global."NormalizeInterval" ( ADTActive.relevantDatetime, ADTActive.relevantPeriod ) starts during day of Interval[start of "Measurement Period" - 12 months,   end of "Measurement Period"]   return Global.EarliestOf ( ADTActive.relevantDatetime, ADTActive.relevantPeriod ) ["Medication, Order": "Androgen deprivation therapy for Urology Care"] ADTOrder   where Global."NormalizeInterval" ( ADTOrder.authorDatetime, ADTOrder.relevantPeriod ) starts during day of Interval[start of "Measurement Period" - 12 months,   end of "Measurement Period"]   return Global.EarliestOf ( ADTOrder.authorDatetime, ADTOrder.relevantPeriod ) Proposed: Androgen Deprivation Therapy for Urology Care Medication Active Start Dates ["Medication, Active": "Androgen deprivation therapy for Urology Care"] ADTActive return Global.EarliestOf ( ADTActive.relevantDatetime, ADTActive.relevantPeriod ) Androgen Deprivation Therapy for Urology Care Medication Order Start Dates ["Medication, Order": "Androgen deprivation therapy for Urology Care"] ADTOrder return Global.EarliestOf ( ADTOrder.authorDatetime, ADTOrder.relevantPeriod ) Rationale for Change: Simplifying the Medication Active/Order definitions because the start dates are filtered later in the measure logic.