(a) Nothing in this chapter shall affect a licensed hospital with the development and maintenance of a hospital formulary system in accordance with that institution's policies and procedures that pertain to its drug distribution system developed by the medical staff in cooperation with the hospital's pharmacist and administration.(b) The substitution of a generic drug or interchangeable biological product by a pharmacist under the provisions of this chapter does not constitute the practice of medicine.Added 1977, No. 127 (Adj. Sess.), § 1; amended 2017, No. 193 (Adj. Sess.) , § 5.