Diabetes costs the U.S. $245.5 billion a year in total healthcare expenditures and another $20.4 billion in lost productivity, according to a new report that tabulates the financial toll of the metabolic disorder.

For the one in 10 Americans with diabetes, that breaks down to an extra $8,480 annually, compared with those who have not been diagnosed with diabetes.

The findings were released in a new a new report, “The Cost of Diabetes in the U.S.: Economic and Well-Being Impact,” compiled as part of the Gallup-Sharecare Well-Being Index. They are drawn from research by the American Diabetes Association, base on information drawn from more than 135,000 interviews.

Since 2008, the national adult diabetes rate has risen 1 percentage point, elevating the current cost estimates.

According to the Centers for Disease Control and Prevention, 11.5 percent of Americans – nearly 29 million – have diabetes.