Ariz. Rev. Stat. § 20-3654
B. A step therapy exception request shall be granted if sufficient justification and any necessary supporting clinical documentation are submitted to establish that any of the following applies:
4. The prescription drug required by the step therapy protocol is not in the best interest of the patient based on medical necessity because the patient's use of the prescription drug is expected to cause any of the following:
F. This section does not prevent either of the following: