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This variable is contained in the following files: Part D Plan Election Type Beneficiary Summary File
SAS Name
AUDT_SQNC_NUM

This variable is the Medicare Part D Enrollment Transaction Audit Sequence Number.  The number indicates whether the occurrence has been audited.  It will default to 0 (zero) for valid occurrences and will be incremented by 1 for audited rows with the same key fields. 

Comments

While a beneficiary can only be enrolled in one Part D plan during a given time period there may be more than one enrollment transaction with an audit sequence number of zero for that time period.  This indicates that a valid transaction has been replaced with another valid transaction.  For example, if a beneficiary was auto-assigned to a plan but then picked a different plan. 

Source:  CMS Common Medicare Environment (CME)

CodeCode value
0
valid (effective) transaction
1-X
audited records