This variable indicates whether the plan choice was in the current or previous year. For beneficiaries where the variable CHOOSER = “Y”, this variable indicates whether the beneficiary made their Part D plan self-selection in the current year or the previous year.
Source: CMS Common Medicare Environment (CME) - derived
|C||Part D plan election in the reference year|
|P||Part D plan election in the year prior to the reference year|
|Null/missing||Beneficiary is not a chooser in the reference year|