AJMC · March 17, 2026
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AI-Driven Denials Spike: Is Postacute Care at Risk?

The increasing use of artificial intelligence (AI) by insurers to deny postacute care claims is a growing concern for revenue cycle management (RCM) teams. With denial rates more than doubling in just two years, professionals in the field must adapt their strategies to mitigate the impact of these automated decisions on their operations and cash flow.

What's Actually Happening

Recent scrutiny from the Senate has highlighted a troubling trend in the insurance industry regarding postacute care denials. Between 2020 and 2022, the denial rate for postacute care claims surged from 10.9% to 22.7% at UnitedHealthcare. This dramatic increase coincides with Humana's efforts to automate its claims process, raising concerns about the efficacy and accountability of AI-driven algorithms in healthcare. The reliance on AI in deciding which claims to deny may not only be affecting patient care but also putting undue pressure on healthcare providers to navigate an increasingly complex appeals process.

Why It Matters for Billing Teams

The rising denial rates directly impact billing teams and their workflows. As insurers increasingly deploy AI to streamline their operations, RCM professionals face a challenging environment where previously routine claims are now subjected to heightened scrutiny. This shift can lead to:

What To Do About It

In light of the challenges posed by rising denial rates, RCM teams can take proactive steps to improve their processes and reduce the impact of these automated decisions:

The Bigger Picture

This trend of increasing reliance on AI in healthcare claims processing is part of a broader shift towards automation in the industry, as insurers seek efficiency and cost savings. However, as these technologies become more prevalent, the need for transparency and accountability becomes paramount. Healthcare providers must balance the benefits of automation with the risks posed to patient care and financial viability. As RCM teams navigate these changes, they must remain vigilant and proactive in their strategies, ensuring that patient care and organizational sustainability remain at the forefront of their efforts.

In an age where algorithms dictate financial outcomes, the stakes have never been higher for RCM teams to adapt and advocate for a fairer, more transparent claims process.

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Published by RevCycleAI Research · March 17, 2026

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