Washington Revised Code Title 69. Food, Drugs, Cosmetics, and Poisons § 69.41.110. Definitions

(1) “Biological product” means any of the following, when applied to the prevention, treatment, or cure of a disease or condition of human beings: (a) A virus; (b) a therapeutic serum; (c) a toxin; (d) an antitoxin; (e) a vaccine; (f) blood, blood component, or derivative; (g) an allergenic product; (h) a protein, other than a chemically synthesized polypeptide, or an analogous product; or (i) arsphenamine, a derivative of arsphenamine, or any trivalent organic arsenic compound;

(2) “Brand name” means the proprietary or trade name selected by the manufacturer and placed upon a drug, its container, label, or wrapping at the time of packaging;

(3) “Generic name” means the official title of a drug or drug ingredients published in the latest edition of a nationally recognized pharmacopoeia or formulary;

(4) “Interchangeable” means a biological product:

(5) “Practitioner” means a physician, osteopathic physician and surgeon, dentist, veterinarian, or any other person authorized to prescribe drugs under the laws of this state;

(6) “Substitute” means to dispense, with the practitioner's authorization, a “therapeutically equivalent” drug product or “interchangeable biological” drug product; and

(7) “Therapeutically equivalent” means a drug product of the identical base or salt as the specific drug product prescribed with essentially the same efficacy and toxicity when administered to an individual in the same dosage regimen.