It's not in many jurisdictions. The AMA tracks laws on prior authorization, and in an increasing number of states insurers must make a decision within 5 calenda

It's not in many jurisdictions. The AMA tracks laws on prior authorization, and in an increasing number of states insurers must make a decision within 5 calendar days. (https://www.ama-assn.org/system/files/prior-authorization-state-law-chart.pdf https://www.ama-assn.org/system/files/prior-authorization-st...)