2026 Insurance Verification Trends
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Claim denials have moved from an occasional billing headache to a structural drain on provider revenue. In the most recent annual survey of revenue cycle leaders, 41% of providers reported denial rates of 10% or higher, up from just 30% in 2022, and net revenue losses tied to final denials and bad debt reached $48.4 billion across more than 2,300 hospitals in 2025, a 25% increase over the year before [1][2]. For an industry already operating on thin margins, that trend line is hard to ignore.
The Data Behind Rising Denial Rates
Current benchmarks show that rising denial rates are affecting organizations across healthcare, increasing administrative burden, slowing reimbursement cycles, and creating additional revenue leakage.
| Metric | 2025 Data |
|---|---|
| Annual net revenue leakage from denials | $48.4 billion |
| Providers with denial rates >= 10% | 41% (up from 30% in 2022) |
| Net revenue leakage increase (YoY) | +25% |
| Potentially avoidable denials | 86-90% |
| Denials never reworked (practices without dedicated follow-up) | 50-65% |
| Providers using AI to reduce denials | 14% |
What’s Driving Rising Denial Rates
Several operational and market changes are contributing to rising denial rates, including payer automation, prior authorization expansion, Medicare Advantage growth, and staffing shortages.
1. Payer-Side Automation Has Widened the Adjudication Speed Gap
Payers have invested heavily in automated adjudication systems that apply coverage rules faster, more consistently, and with less human discretion than they did five years ago.
Provider-side verification workflows have not always advanced at the same pace. The result is a growing mismatch between payer decision systems and provider processes, causing claims with eligibility, authorization, or benefit errors to be denied automatically.
2. Prior Authorization Requirements Continue to Expand
PA requirements now cover a broader range of services, with stricter documentation requirements and shorter appeal windows. The administrative burden has increased faster than staffing investment at many practices.
Organizations without structured authorization workflows are more vulnerable to preventable denials before claims ever reach adjudication.
3. Medicare Advantage Enrollment Has Changed the Payer Mix
More than half of Medicare beneficiaries are enrolled in Medicare Advantage plans, each with different prior authorization requirements, network structures, and benefit designs.
Practices that rely on traditional Medicare assumptions often experience MA-specific denials because verification workflows do not account for plan-level differences.
4. Staffing Shortages Have Reduced Front-End Process Quality
Revenue cycle turnover remains a significant operational challenge. Open verification positions reduce completion rates, increase manual errors, and allow coverage gaps to enter the claims pipeline.
Which Segments Are Most Exposed to Rising Denial Rates
Although every healthcare organization can experience denial pressure, rising denial rates are especially damaging in segments with high-value procedures, complex payer requirements, and extensive authorization needs.
| Segment | Why Denial Rate Exposure Is Elevated |
|---|---|
| Specialty physician groups | High-value procedures + high PA volume = high exposure per missed authorization |
| Ambulatory surgery centers | No recovery option after service delivery; five-figure claim values |
| Behavioral health practices | Frequent parity compliance denials; session limit and step therapy complexity |
| Dental support organizations | COB gaps; medical coverage for dental procedures not consistently identified |
| Medical billing companies | Client-side front-end failures attributed to billing company performance |
For segment-specific denial patterns and verification requirements, see Insurance Verification for Every Healthcare Segment.
Preventing Rising Denial Rates
Research indicates that 86-90% of administrative denials are potentially avoidable. Organizations experiencing rising denial rates can reduce preventable claim issues by improving front-end verification, authorization workflows, and payer-specific processes.
The strongest prevention interventions include:
- Re-verification 24-48 hours before service to address coverage-change denials.
- PA requirement identification built into eligibility workflows to prevent CO-15 denials.
- Plan-level network confirmation to prevent out-of-network denials.
- Year-to-date benefit accumulation checks for services with visit or unit limits.
- COB sequence confirmation during intake to prevent CO-22 denials.
For the complete prevention framework and how each intervention maps to a denial code, see Prior Authorization and Denial Prevention.
And for the full outsourcing evaluation guide for organizations ready to act, see The Complete Guide to Outsourcing Insurance Verification.
Rising Denial Rates FAQs
Is a 10% denial rate "normal" in healthcare?
It’s common, but it should not be considered an acceptable benchmark. 41% of providers now report denial rates at or above 10%, while best-in-class organizations maintain denial rates below 5%.
Rising denial rates should be viewed as an operational warning sign that indicates gaps in verification, authorization, documentation, or denial prevention processes.
Should we measure clinical denials separately from administrative denials?
Yes. Clinical denials involving medical necessity or level-of-care decisions require different corrective actions than administrative denials related to eligibility, authorization, network status, or benefits.
Separating these categories helps organizations identify which workflows are creating rising denial rates and where corrective action should begin.
How long does it take to see improvement after fixing front-end verification?
Because denials follow the billing cycle, improvements typically appear 30-60 days after workflow changes are implemented.
A practice that adds re-verification and stronger PA identification processes in July may not see the full impact on denial metrics until September.
What’s the biggest contributor to rising denial rates today?
The combination of automated payer adjudication and incomplete provider-side verification is one of the primary contributors. As payers apply coverage rules more consistently, even small eligibility, authorization, or network errors are more likely to trigger immediate denials.
Can most administrative denials be prevented?
Many can. Research indicates that 86-90% of administrative denials may be avoidable through stronger eligibility verification, authorization management, network validation, and coordination of benefits before services are delivered.
Related Pages
- The State of Insurance Verification 2026 Report
- Rising Denial Rates in 2026: What Providers Need to Know
- The Staffing Crisis in Insurance Verification
- AI in Insurance Verification: What It Can and Can’t Do
- Regulatory Changes Affecting Insurance Verification in 2026–2027
- The Bilingual Insurance Verification Advantage
References
- AMA Survey: Prior Authorization Reform Pledge Falls Short for Physicians — The American Medical Association’s 2025 Prior Authorization Physician Survey of 1,000 practicing physicians, finding an average of 39 prior authorizations completed per physician per week, 13 hours spent weekly on the process, and 40% of practices with staff dedicated exclusively to prior authorization.
- Measuring the Scope of Prior Authorization Policies Applied to Novel Physician-Administered Drugs — JAMA Health Forum’s peer reviewed analysis of a large Medicare Advantage insurer’s prior authorization requirements by clinician specialty, finding the highest PA exposure among radiation oncologists, cardiologists, and diagnostic radiologists, and the lowest among pathologists and psychiatrists.
- Perceptions of Prior Authorization Burden and Solutions — Health Affairs Scholar survey research on prior authorization burden, finding approval rates by specialty ranging from 62% to 92% and identifying hematology/oncology, general surgery, and cardiothoracic surgery among the specialties most frequently subject to payer review.
- How Workforce Shortages Are Crippling RCM Performance — Currance’s November 2025 analysis of revenue cycle staffing data, estimating that hospitals lose up to $125,000 per open revenue cycle management position annually in delayed or lost reimbursement.
- 2026 Guidehouse & HFMA Revenue Cycle Management Trends Report — Guidehouse and the Healthcare Financial Management Association’s 2026 survey of revenue cycle leaders, finding 69% of providers outsource all or part of the revenue cycle, 88% cite payer challenges as a top concern, and the share of providers reporting final denial rates above 5% nearly doubled to 20%, up from 12% previously.
- Revenue Cycle Management M&A Update — KPMG’s analysis of the revenue cycle management sector, finding that 83% of hospitals outsource at least some aspect of accounts receivable or collections.
- Complexities of Coordination of Benefits Demystified Through ADA Resources — ADA News reporting on a 2019 American Dental Association survey of dental office managers, finding coordination of benefits ranked as the number one administrative burden facing dental offices.
- Benefit Verification Drives Increased Administrative Spending in Dental Offices — ADA News summary of the 2024 CAQH Index, finding dental industry spending on eligibility and benefit verification rose 15% to $2.1 billion in 2023, while potential savings from automating verification rose 7% to $580 million.
- ASC Prior Authorizations Continue to Rise — Becker’s ASC reporting on HST Pathways’ 2024 State of the Industry Report, a survey of 590 ambulatory surgery centers across 47 states, finding 46% of ASC cases completed preauthorization in 2024, only 24% of cases requiring preauthorization completed the process, and the overall denial rate fell to 4% from 8% the prior year.
- KFF Analysis: MA Insurers Made Nearly 50 Million Prior Authorization Determinations in 2023 — American Hospital Association coverage of a KFF analysis of CMS data, finding Medicare Advantage insurers fully or partially denied 3.2 million prior authorization requests, 6.4% of the total submitted, in 2023.
- CMS Tests Prior Authorization for Ambulatory Surgery Centers — Bradley law firm’s analysis of a 2025 CMS demonstration program introducing prior authorization requirements for select ASC procedures.
- Claims, Complaints, Appeals: Mental Health, Substance Use Disorder Benefits, Network Adequacy Comparative Analyses, Summary of 2024 Insurance Carrier Data — Virginia Bureau of Insurance legislative report analyzing 44,482,942 claims received across the state’s health carriers in 2024, finding an overall denial rate of 17.9%, a 25.6% denial rate for substance use disorder claims, and a 17.0% denial rate for mental health claims.
- Behavioral Health Parity Report — Oregon Division of Financial Regulation’s analysis of 2023 insurer filings, finding a 10.2% prior authorization denial rate for behavioral health and substance use disorder claims compared with 6.9% for medical and surgical claims, a pattern consistent across 2021 through 2023.
- Medical Billing Outsourcing Market Report 2026 — Research and Markets’ market sizing for the medical billing outsourcing sector, projecting growth from $18.91 billion in 2025 to $21.47 billion in 2026, a 13.5% compound annual growth rate.
- Healthcare Provider Organizations Saw Net Revenue Losses From Final Denials and Bad Debt Grow by 25% in 2025 — Kodiak Solutions’ March 2026 benchmarking data across 2,300+ hospitals, finding net revenue losses from final denials and bad debt reached $48.4 billion in 2025, a 25% year-over-year increase.
Ready to Stop Denials Before They Start?
Rising denial rates trace back to the same handful of preventable errors, missing data, incomplete registration, and unresolved prior authorizations. Redial builds verification teams that catch these issues before the date of service, not after the claim comes back.