K IBXDATA S IBZZ=$$SETSTR^VALM1($P($G(^DPT(+$P($G(^DGCR(399,IBXIEN,0)),U,2),0)),U),"",2,39)
DESCRIPTION
Extracted form a set of codes, could be:
1W = Member ID Number;23 = Client Number;SY = Social Security Number;
1G = Insurance Policy Number also known as UPIN Number;