Of all diagnostic categories, circulation has by far the largest expenditures, accounting for 17 percent of expenditures among the diagnostic categories in 2005. The next seven expenditures account for about half of the total and range from mental disorders (9 percent) to nervous system disorders (6 percent). Findings are in the February issue of Health Affairs. The study provides annual estimates from 1996 through 2005 for 32 conditions in 13 all-inclusive diagnostic categories.
Source: Roehrig C, Miller G, Lake C, Bryant J. National health spending by medical condition, 1996–2005. Health Affairs 2008;2:358–367