Talk:1.3.6.1.4.1.19376.1.5.3.1.4.7.2
The PDF says ManufacturedLabeledDrug. This is in fact incorrect. CCD uses ManufacturedMaterial, and that is the constrained model that supports lotNumber.
ManufacturedMaterial and ManufacturedLabeledDrug are semantically identical RIM classes in CDA R2.