DES MOINES — Iowa Medicaid program officials’ estimate that the managed care system is saving the state millions of dollars is accurate, according to a new state audit report.State Auditor Mary Mosiman issued a report Monday indicating the Reynolds administration’s estimate of $141 million in savings attributed to the state’s switch to a privately managed Medicaid system are accurate.“The May 2018 savings of $141 million reported by the (Iowa Department of Human Services) was an accurate estimate based on the information available at the time,” according to the state auditor.Mosiman’s report is a review of Medicaid savings estimates as a result of the Department of Human Services (DHS) transitioning the Medicaid program from a primarily fee-for-service program to a managed-care program in April 2016.Her office reviewed three estimates prepared using different methodologies for estimating fiscal year 2018 savings from the transition to a managed care program, but determined the May 2018 estimate was the most reliable based up on the various methodologies.A January 2017 estimate from Gov.