"Biological product" means the same as that term is defined in 42 U.S.C.§ 262 .
"Brand name" means the proprietary or trade name selected by the manufacturer and placed upon a drug or drug product, its container, label, or wrapping at the time of packaging.
"Interchangeable biological product" means a biological product that the federal Food and Drug Administration has:
"Proper name" means the nonproprietary name of a biological product.
"Substitute" means to dispense without the prescriber's express authorization an interchangeable biological product in the place of the drug ordered or prescribed.
W. Va. Code § 30-5-12c