DecisionHealth, DecisionHealth - 2011 Issue 8 (August)

Benchmark of the Week: Modifier 55 denials, 2005 vs. 2009

Codes with modifier 55 (post-op management only) attached have the highest denial rates of codes with modifiers, beating out modifiers unbundling E/M codes (25 for separate, significant E/M). This chart shows denial rates for high-utilization codes with modifier 55 attached in 2009 and compares them to their denials in 2005. 

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