PRINCIPAL PROCEDURE PERFORMED FOR DEFINITIVE TREATMENT (RATHER THAN DIAGNOSTIC OR EXPLORATORY PURPOSES). IT IS RELATED TO EITHER THE DIAGNOSIS OR TO COMPLICATIONS. SEE 'PROCEDURE CODING SYSTEM CODE - PRINCIPAL'.
Comments
NOTE: IN MAX 2005, THE LENGTH OF THIS VARIABLE WAS CHANGED FROM 7 TO 8.
NOTE: IN MAX 2005, THE LENGTH OF THIS VARIABLE WAS CHANGED FROM 7 TO 8.
SOURCE: MSIS CLAIMS FILE: 'PROC-CODE-PRINCIPAL'.