Terms used in this chapter shall have the meaning set forth in this section unless the context clearly indicates otherwise:

(1) "Address" means the place of residence of the patient.

(2) "Audit trail" means all materials and documents required for the entire process of filling a prescription, which shall be sufficient to document or reconstruct the origin of the prescription order, and authorization of subsequent modifications of that order.

(3) "Auxiliary recordkeeping procedure" means a back-up procedure used to record medication record system data in case of scheduled or unscheduled down-time of an automated data processing system.

(4) "Hard copy of the original prescription" shall include the prescription as defined in RCW 18.64.011(8) and/or the medical records or chart.

(5) "Therapeutic duplication" means two or more drugs in the same pharmacological or therapeutic category which when used together may have an additive or synergistic effect.