Monday, February 2, 2026

The Weirdest Insurance Denials You’ll Never Be Trained For — and Why They’re Costing Clinics Millions

“Using AI-enabled tools to automatically deny more and more needed care is not the reform of prior authorization physicians and patients are calling for… Medical decisions must be made by physicians and their patients without interference from unregulated and unsupervised AI technology.”

AMA President Bruce A. Scott, M.D., on physicians’ growing concern about AI-driven prior authorization and denial practices (American Medical Association)


A Story Every Physician Will Recognize

A few years ago, a colleague called me late at night.

He had just received a denial letter.

The patient fell during a power outage.
The injury was real.
The treatment was medically necessary.
The documentation was clean.

The denial reason?

“Act of God — non-covered circumstance.”

He laughed at first.

Then he did the math.

That one denial turned into $14,800 in lost reimbursement.
No appeal traction.
No human reviewer.
No explanation beyond a line item.

That was the moment he realized something many physicians are now quietly discovering:

Medical billing is no longer about medicine.
It is about classification systems that most clinicians never see — and were never trained to navigate.

This article is about those systems.
The strange edge cases.
The loopholes.
The denials that feel surreal.
And what smart clinics are doing differently.


Why This Matters Right Now

Physicians are exhausted.
Margins are shrinking.
Staff turnover is high.
And insurance denials are accelerating.

Yet most clinics are still told the same advice:

“Document better.”
“Code more accurately.”
“Follow best practices.”

Here’s the uncomfortable truth:

Best practices were built for a billing world that no longer exists.


Section: The Rise of Esoteric Insurance Classifications

Insurers do not see stories.
They see categories.

Many of those categories are buried deep in payer logic trees and internal policy manuals.

Some examples that now appear in claims systems:

  • Acts of God (natural disasters, power failures, environmental anomalies)
  • Unexplained external forces
  • Patient-initiated non-standard behavior
  • Psychosomatic or anomalous causation
  • Environmental or situational ambiguity

Yes. These are real.

They are rarely disclosed to providers.
And they are increasingly used to justify automatic denials.


How “Acts of God” Are Classified in Medical Claims

An Act of God classification is not theological.
It is contractual.

Insurers define it as:

“An event outside human control that interrupts normal service delivery.”

Examples include:

  • Earthquakes
  • Floods
  • Wildfires
  • Power grid failures
  • Infrastructure collapse

Here’s the problem.

When medical necessity intersects with environmental disruption, insurers may deny coverage by claiming the event — not the illness — triggered care.

Clinics assume appeals will fix this.

They usually don’t.


Section: Paranormal, Unexplained, and “Impossible” Claims

This is where it gets uncomfortable.

Insurers maintain catch-all categories for cases that do not align with expected clinical narratives.

These include:

  • Injuries with no clear mechanism
  • Sudden symptom onset with no diagnostic confirmation
  • Behavioral events without witness documentation
  • Psychiatric-somatic overlap cases

Internally, these are often flagged as:

“Non-verifiable causation.”

That phrase alone can stall reimbursement indefinitely.


Real-World Edge Case Denials (Anonymized)

One clinic treated a patient after a dissociative episode triggered a fall.

Denied.
Reason: Patient behavior outside standard expectation.

Another treated respiratory distress after reported environmental exposure.

Denied.
Reason: Unsubstantiated external trigger.

A third treated severe anxiety-induced cardiac symptoms.

Denied.
Reason: Psychogenic origin not covered under medical benefit.

None of these were fringe cases.

All were legitimate.


Section: Why Physicians Never Hear About This

Because the system was not designed for transparency.

Most denials:

  • Are auto-generated
  • Use proprietary logic
  • Cannot be meaningfully appealed
  • Never reach a clinician reviewer

Billing teams see fragments.
Physicians see outcomes.

No one sees the whole picture.


Statistics Section: The Scale of the Problem

Recent data paints a clear picture:

  • Nearly 1 in 5 in-network claims are denied by insurers
  • Over 60% of denied claims are never appealed
  • Clinics lose 5–11% of annual revenue to preventable denials
  • Small and mid-size practices are disproportionately impacted

The system favors scale.
Independent clinics pay the price.


Expert Opinion Round-Up

Expert 1: Dr. Lisa Morgan, MD — Internal Medicine & Practice Owner

“Denials today are less about clinical validity and more about contractual interpretation. Most physicians don’t realize they’re arguing medicine while insurers are enforcing policy.”

Her advice:

  • Track denial patterns, not just volume
  • Treat billing like risk management
  • Invest upstream, not in appeals

Expert 2: Michael Torres, CPC — Revenue Cycle Strategist

“The weirdest denials are the most dangerous because they teach clinics the wrong lesson — that documentation failed when classification did.”

His advice:

  • Build denial intelligence dashboards
  • Flag ambiguous causation cases pre-submission
  • Stop assuming appeals will work

Expert 3: Dr. Ayesha Rahman — Health Policy Researcher

“We are watching the quiet normalization of denial automation. Ethics, transparency, and due process are lagging far behind technology.”

Her advice:

  • Demand policy clarity from payers
  • Participate in professional advocacy
  • Document systemic failures, not just cases

Myth Buster Section

Myth: Better documentation fixes denials
Reality: Classification logic overrides documentation

Myth: Appeals are effective
Reality: Most denials are algorithmically final

Myth: This only affects rare cases
Reality: Edge cases are becoming the norm


Section: Practical Pitfalls Clinics Keep Falling Into

  • Treating denials as administrative noise
  • Delegating revenue strategy entirely to vendors
  • Trusting black-box billing services
  • Ignoring payer behavior trends
  • Reacting instead of preventing

These mistakes are understandable.
They are also costly.


Step-by-Step: How Smarter Clinics Are Responding

Step 1: Audit denial reasons quarterly
Step 2: Identify ambiguous causation patterns
Step 3: Flag high-risk claims before submission
Step 4: Adjust intake documentation language
Step 5: Use AI-driven pre-submission validation
Step 6: Escalate policy-based denials strategically

Prevention beats appeals.
Every time.


Tools, Metrics, and Resources Clinics Should Track

  • Denial rate by payer
  • Denial reason clustering
  • Time-to-payment variance
  • Appeal success ratio
  • Revenue leakage percentage

What you measure changes what you protect.


Legal Implications

Denial opacity raises concerns around:

  • Contract enforceability
  • Good-faith processing
  • Fair claims practices
  • Provider due process

Clinics should involve legal counsel when denial patterns suggest systemic bias.


Ethical Considerations

Patients suffer when reimbursement fails.

Delayed care.
Reduced access.
Physician burnout.

Ethics are not abstract here.
They are operational.


Recent News

  1. AI, Insurers & Denials — Recent Healthcare News Highlights ASNC and AMA push back against AI prior authorization denials
    https://cardiovascularbusiness.com/topics/healthcare-management/healthcare-policy/asnc-and-ama-push-back-against-ai-prior-authorization-denials
  2. Medicare’s new AI experiment sparks alarm among doctors and lawmakers
    https://stateline.org/2025/12/04/medicares-new-ai-experiment-sparks-alarm-among-doctors-lawmakers/
  3. Survey reveals clinician confidence around using AI in prior authorization process
    https://www.ajmc.com/view/cohere-health-findings-on-ai-in-prior-authorization-conflict-with-ama-data
  4. How AI is leading to more prior authorization denials (AMA report)
    https://www.ama-assn.org/practice-management/prior-authorization/how-ai-leading-more-prior-authorization-denials
  5. CMS AI pilot details and provider concerns about opaque algorithmic decisions
    https://news.bloomberglaw.com/health-law-and-business/medicare-ai-pilot-programs-lack-of-details-worries-critics

These links provide timely, reputable reporting on how AI and algorithmic systems are being used in payer prior authorization and denial workflows, what clinicians are concerned about, and why this trend is significant for providers today.


Future Outlook

Denials will increase.
Automation will expand.
Transparency will lag.

But clinics that adapt early will survive.

Those that don’t will bleed revenue invisibly.


Final Thoughts

This is not about paranoia.
It is about preparedness.
And clarity.

The weird denials are not anomalies.
They are signals.


Call to Action: Get Involved

If insurers are redefining reality, shouldn’t clinicians have a voice?

Comment below: What’s the strangest denial you’ve seen?
Share this post with a colleague who needs to see it.

This conversation matters.
Your experience matters.
Let’s shape what comes next.


About the Author

Dr. Daniel Cham is a physician and medical consultant with expertise in medical technology, healthcare management, and medical billing strategy. He focuses on delivering practical insights that help professionals navigate complex challenges at the intersection of clinical care and modern healthcare systems.
Connect with Dr. Cham on LinkedIn to learn more:
linkedin.com/in/daniel-cham-md-669036285


Disclaimer / Note

This article provides a general overview of industry trends and does not constitute legal or medical advice. Readers should consult qualified professionals for guidance specific to their situation.


References

  1. Healthcare AI tools are increasingly being used upstream to predict and prevent claims denials before submission.
    Read more on PYMNTS:
    https://www.pymnts.com/news/artificial-intelligence/2026/inside-healthcare-ai-playbook-claims-denials/
  2. New data shows insurers denied nearly 20% of in-network claims in 2023, with limited transparency on rationale.
    Read more on KFF:
    https://www.kff.org/private-insurance/healthcare-gov-insurers-denied-nearly-1-in-5-in-network-claims-in-2023-but-information-about-reasons-is-limited-in-public-data/
  3. National concern over healthcare affordability continues to rise, impacting both patients and providers.
    Read more on KFF (related brief on insurance complexity and cost concerns):
    https://www.kff.org/private-insurance/navigating-the-maze-a-look-at-health-insurance-complexities-and-consumer-protections/

#HealthcareLeadership #MedicalBilling #PhysicianEntrepreneur #RevenueCycle #HealthcareAI #ClinicManagement #InsuranceDenials #IndependentPractice #HealthTech #FutureOfHealthcare

 

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