As used in RCW 69.41.100 through 69.41.180, the following words shall have the following meanings:

(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:

(a) Licensed by the federal food and drug administration and determined to meet the safety standards for interchangeability pursuant to 42 U.S.C. Sec. 262(k)(4); or

(b) Approved based on an application filed under section 505(b) of the federal food, drug, and cosmetic act that is determined by the federal food and drug administration to be therapeutically equivalent to an approved 505(b) biological product and is included in the 505(b) list maintained by the pharmacy quality assurance commission pursuant to RCW 69.41.196;

(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.

Reviser's note: The definitions in this section have been alphabetized pursuant to RCW 1.08.015(2)(k).