D:'$D(IBXSAVE("IDEM")) F^IBCEF("N-CURR INSURED DEMOGRAPHICS") S IBXDATA=$P(IBXSAVE("IDEM"),U,3)
DESCRIPTION
If the variable IBXSAVE("IDEM") exists, the 3rd '^' piece of this data
contains the value for this field. If it doesn't exist, extract the field
that sets it.