Principle procedure date

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This variable is contained in the following files:

SAS Name

PRNCPL_PRCDR_DT

DATE ON WHICH THE PRINCIPAL PROCEDURE, IF ANY, WAS PERFORMED.

Comments

SOURCE: MSIS CLAIMS FILE: 'PROC-DATE-PRINCIPAL'. MSIS DATES WITH 8- OR 9-FILL VALUES ARE CHANGED TO 0-FILL (ZERO-FILL).

EDIT-RULES: YYYYMMDD