"A few percent." > There are no official data on their total size, but estimates extrapolated from micro-costing studies suggest that billing and insurance-rel

"A few percent." > There are no official data on their total size, but estimates extrapolated from micro-costing studies suggest that billing and insurance-related services alone comprise about 15 percent of health care spending, and total administrative costs may comprise about 30 percent. 1. https://econofact.org/how-large-a-burden-are-administrative-costs-in-health-care https://econofact.org/how-large-a-burden-are-administrative-...?