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MDaudit Data Featured in Blogorama Article on CO 109 Denial Code

Dec 9, 2025 1 minute read

We were recently featured in a Blogorama article titled “CO 109 Denial Code: A Comprehensive Guideline.” The article references our 2025 Benchmark Report data on the increasing pressure healthcare providers face from rising denial rates and payer audits.

The comprehensive guide cites our findings that the amount of external audit risk increased 30 percent in the first three quarters of 2025, highlighting the financial stress providers are experiencing as payers conduct more audits. The article provides healthcare billing teams with practical strategies for resolving and preventing CO 109 denials, which occur when claims cannot be processed due to Coordination of Benefits issues. By implementing proper verification standards and following the prevention strategies outlined in the guide, providers can reduce these denials by up to 50 percent and improve first pass payment rates. Read the full article on Blogorama and access our complete 2025 Benchmark Report.

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