It looks correct but without knowing exact details of your models I can't be so sure. Actually, what you are trying can be achieved by estimating a selection model in PROC QLIM with the HECKIT option on. You need to have two MODEL statements, one specifying the first model that you estimated (using the DISCRETE option) and the other one specifying the second model (the model with the continuous dependent variable) using the SELECT option.
... View more