In this subdivision:
I. "Department" means the insurance department.
II. "Manufacturer" means any entity which is engaged in the production, preparation, propagation, compounding, conversion, or processing of prescription drugs, whether directly or indirectly by extraction from substances of natural origin, independently by means of chemical synthesis, or by a combination of extraction and chemical synthesis, or any entity engaged in the packaging, repackaging, labeling, relabeling, or distribution of prescription drugs. The term shall not include a wholesale distributor of prescription drugs, a retailer, or a pharmacist licensed under the board.
III. "Prescription drug" means a drug defined in 21 U.S.C. section 321.