Hospitals Lost $48.4 Billion to Revenue Leakage in 2025 Despite Improving Cash Flow
Kodiak Solutions analyzed data from 2,300 hospitals and 350,000 physicians and found that net revenue leakage — losses from final denials and uncollected bills — increased 25% in 2025 to $48.4 billion. Commercial plans were the leading source of leakage, with Medicare Advantage plans also aggressively denying and delaying claims. Despite the worsening leakage picture, cash flow metrics showed improvement as payers processed initial claims faster. The gap between better AR performance and rising net revenue losses reflects a strategic shift by payers: accelerating early processing while intensifying back-end denial activity.
This isn’t just a revenue cycle problem — it’s a margin durability problem. If your system is posting decent AR days but leaking billions in final denials, the bottom line is eroding even when the front end looks healthy. The scale of this dataset (2,300 hospitals) makes it a credible benchmark for any CFO or RCM leader.
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