The department may request sealed bids from prescription drug manufacturers for both brand name and generic equivalent prescription drugs and prices shall be adjusted to a price designated as the bid price when those drugs are supplied to recipients of medical assistance. The department may elect to not reimburse for any multisource drugs of a drug manufacturer which does not participate in the bid process or which bids prices considered excessive by the department. The department is authorized to accept rebates from any drug manufacturer for providing information to that manufacturer regarding utilization by Medicaid recipients of that manufacturer’s drugs as long as the anonymity of the recipients is maintained. For definitions, see section 49-4-141.