Ariz. Rev. Stat. § 23-908
B. The commission shall fix a schedule of fees to be charged by physicians, physical therapists or occupational therapists or by providers of health care, dental care and supplies for injured employees and, subject to subsection C of this section, for prescription medicines required to treat an injured employee under this chapter. Contracts that are necessary to develop and publish a fee schedule related to dental care are exempt from the requirements of title 41, chapter 23. Notwithstanding subsection C of this section, the schedule of fees may include other reimbursement guidelines for medications dispensed in settings that are not accessible to the general public. The commission shall annually review the schedule of fees. For the purposes of this subsection, settings that are not accessible to the general public do not include mail order pharmacies delivering pharmaceutical services to workers' compensation claimants, if both of the following apply:
C. If a schedule of fees for prescription medicines adopted pursuant to subsection B of this section includes provisions regarding the use of generic equivalent drugs or interchangeable biological products, those provisions shall comply with section 32-1963.01, subsections A, B and D through L. If the commission considers the adoption of fee schedule provisions that involve specific prices, values or reimbursements for prescription drugs, the commission shall base the adoption on studies or practices that are validated and accepted in the industry, including the applicability of formulas that use average wholesale price, plus a dispensing fee, and that have been made publicly available for at least one hundred eighty days before any hearing conducted by the commission. Before the commission takes final action on the schedule of fees pursuant to this subsection and subsection B of this section, except during a public health emergency, the commission shall:
K. Subsection B of this section does not prohibit: