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This variable is contained in the following files: Part D Drug Event File
Short SAS Name
DOB_DT
SAS Name
DOB_DT

Date of birth of the patient as indicated on the event record.

Comments

It is possible that this date may be different than the beneficiary date of birth (BENE_BIRTH_DT) variable that appears on the Master Beneficiary Summary File (MBSF).

Source: PDE

Date formatted as CCYYMMDD