Cathy, I asked Walter about this and he basically said it t really doesn't show the lot traceability.  The only way to do it is through the WO issue material and 1 work order at a time.   Calculate ahead of time the number needed and issue the lot controlled items accordingly.
 
Probably not much help to you, but I thought I would ask him since I know we use many lot controlled items and they have had to scrap some in the past.
 
Val