1. High rates of prior authorization denials by some plans and limited state oversight raise concerns about access to care in Medicaid managed care Publication: Washington, D.C. : U.S. Department of Health and Human Services, Office of Inspector General, July 2023 Subject(s): Government RegulationHealth Services AccessibilityManaged Care ProgramsMedicaidPrior Authorization -- organization & administrationPrior Authorization -- statistics & numerical dataState Health Planning and Development AgenciesUnited States