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Variable Not Concurrently ESRD, Not Originally Disabled Concurrently ESRD, Not Originally Disabled Not Concurrently ESRD, Originally Disabled Concurrently ESRD, Originally Disabled 90-94 Years 0.333 2.226 0.333 2.226 95 Years or Over 0.333 2.226 0.333 2.226 NOTES: • The Part D Denominator used to calculate relative factors is $2,108.33. This Part D Denominator is based on the combined PDP and MA-PD populations. • Originally Disabled is defined as originally entitled to Medicare by disability only (OREC = 1). • For new enrollees, the concurrent ESRD marker is defined as at least one month in the payment year of ESRD status—dialysis, transplant, or functioning graft. SOURCE: RTI Analysis of 100% 2018-2019 Medicare Enrollment Data, 2019 Prescription Drug Event (PDE) Data, 2018 Professional Claims (Carrier), 2018 Inpatient Claims, 2018 Outpatient Claims, and 2018 Medicare Advantage Encounter Data.

Table VIII-8. 2026 RxHCC Model Relative Factors for New Enrollees, Institutional (2018/2019 Calibration; Specialty-based Filtering Logic; Reflects MFPs) Variable Not Concurrently ESRD Concurrently ESRD Female 0-34 Years 4.051 2.555 35-44 Years 3.705 2.555 45-54 Years 3.569 2.555 55-59 Years 2.868 2.555 60-64 Years 2.824 2.555 65 Years 2.824 2.555 66 Years 2.427 2.555 67 Years 2.427 2.555 68 Years 1.726 2.555 69 Years 1.726 2.555 70-74 Years 1.614 2.555 75-79 Years 1.614 2.555 80-84 Years 1.055 2.555 85-89 Years 1.055 2.555 90-94 Years 0.658 2.555