Self-Audits: Know What Benchmarking Against 'Bell Curves' Can Do For You -- And What It Can't

Why This Topic Matters

Benchmarking can flag practices that differ from peer norms, but raw statistics alone do not establish improper coding. Understanding the limits of utilization data helps organizations focus chart audits, support compliance efforts, and respond more effectively to payer review activity.

Article Sections

1. Benchmarking and outlier analysis

   Introduces the use of utilization statistics to compare a practice with peer-group patterns and to identify when a practice may appear outside the norm. It frames benchmarking as a starting point for review rather than a final determination.

2. Why the statistics matter

   Explains why practices may keep Medicare utilization data available for internal review and broad specialty comparison. It also discusses how different patient populations and practice mixes can affect statistical patterns.

3. CMS may take data review further

   Describes additional layers of data review that may be used beyond basic utilization numbers. It notes that more than one variable may be considered when evaluating practice patterns.

4. Audit charts for best results

   Summarizes how benchmarking data can be used to guide follow-up review and why chart audits are needed to investigate differences in practice patterns. It emphasizes the role of record review in understanding whether observed trends are appropriate.