| Sumario: | Purpose: The aim of this study was to characterize out-of-pocket patient costs for advanced imaging across the US private insurance marketplace.Methods: Using the 2017 CMS Health Insurance Marketplace Benefits and Cost Sharing Public Use File, which details coverage policies for qualified health plans on federally facilitated marketplaces, measures of out-of-pocket costs for advanced imaging and other essential health benefits were analyzed for all 18,429 plans.Results: Independent of deductibles, 48.0% of plans required coinsurance (percentage fees) for advanced imaging, 9.7% required copayments (flat fees), and 8.0% required both; 34.3% required neither. For out-of-network services, 91.5% required coinsurance, 0.1% copayments, and 1.0% both; only 7.4% required neither. In the presence of deductibles, patient coinsurance burdens for advanced imaging in and out of network were 27.7% and 47.7%, respectively, and average in- and out-of-network copayments were $319 and $630, respectively. In the presence of deductibles, patients' average coinsurance ranged from 10.0% to 40.9% in network and from 29.1% to 75.0% out of network by state; these tended to be higher in lower income states (r = -0.332). For no-deductible policies, patients' average out-of-network coinsurance burden for advanced imaging was 99.9%. Among assessed benefits, advanced imaging had the highest in-network and second highest out-of-network copayments.Conclusions: In the US private insurance marketplace, patients very commonly pay coinsurance when undergoing advanced imaging, both in and out of network. But out-of-network services usually involve drastically higher patient financial responsibilities (potentially 100% of examination cost). To more effectively engage patients in shared decision making and mitigate the hardships of surprise balance billing, radiologists should facilitate transparent communication of advanced imaging costs with patients.
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