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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
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abstractpubmed· Abstract· item 33904879
Out-of-Network Laboratory Test Spending, Utilization, and Prices in the US. In the context of concerns about the appropriateness and costs to insurers and patients of laboratory testing, this study uses data from the IBM MarketScan Commercial Claims and Encounters Database to examine out-of-network laboratory test spending, utilization, and prices in the US in 2008-2016.