This variable is contained in the following files:
Master Beneficiary Summary File (MBSF): 30 CCW Chronic Conditions Segment Master Beneficiary Summary File (MBSF): Other Chronic or Potentially Disabling Conditions Segment Master Beneficiary Summary File (MBSF): National Death Index (NDI) Segment Master Beneficiary Summary File (MBSF): Cost and Use Segment Master Beneficiary Summary File (MBSF): 27 CCW Chronic Conditions Segment
SAS Name
BENE_ENROLLMT_REF_YR
This field indicates the reference year of the enrollment data.
1999 - current data year
The data files are partitioned into calendar year files. The data files are partitioned into calendar year files. Since the source data originate outside of CMS, the update cycle is not the same as the other MBSF segments and does not occur on any regular cadence. For years available, reference the CCW Data Availability web page.
Source: CMS Enrollment Database (EDB)