This chart shows the regions with the highest Medicare denial rates in 2007 and compares it with their 2006 rates. The regions are geographic practice cost index (GPCI) locations; GPCIs that billed less than 1 million claims annually were excluded from analysis. The percentage figures above the bars indicate the percent change in denial rates from 2006 to 2007. The overall trend is alarming: 80% of these GPCI regions, which already had high denial rates in 2006, saw increased denials in 2007.
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