Percentage of Top Trending Medical Billing Denials
Denials Are Preventable 86% of denials are potentially avoidable; only 14% are unavoidable. Nearly one in four potentially avoidable denials (24%) cannot be recovered.
Registration/Eligibility (26.6%):
Coordination of Benefits 41.5%
Benefit Maximum 28.4%
Plan Coverage 23.3%
Other 6.8%
Missing or Invalid Claim Data (17.2%):
Unspecified Billing Issue 73.2%
Missing/Invalid EOB 17.5%
Other 9.3%
Service Not Covered (10.6%):
Service Not Covered 57.7%
Unspecified Billing Issue 22.3%
Managed Care 10.6%
Non-Covered Days 5.2%
Other 4.2%
Authorization/Pre-Certification (11.6%):
Invalid Authorization 61.2%
Authorization Denied 25.9%
Services Exceed Authorization 7.5%
Other 5.4%
Medical Necessity (6.6%):
Medical Necessity 71.5%
Level of Care 22.1%
Other 6.4%
Medical Coding (4.8%):
Overlapping Services 52.7%
Procedure/ Dx Code Inconsistent with Another Code 18.8%
Level of Care 7.2%
Other 21.3%
We know that 95-100% of non-recoverable denials can likely be avoided and providers need to implement denials-prevention strategy proactively. We know that 95–100% of non-recoverable AR denials in medical billing can likely be avoided with the right approach. By understanding how many denials in medical billing are caused by preventable front-end errors, providers can take proactive steps toward denial prevention. Implementing a strategy that includes staff education, robust training, and the use of advanced technology is essential. Focusing on the top 10 denial codes in medical billing allows organizations to target the most frequent issues, dramatically reducing denials, minimizing appeal-related costs, and safeguarding revenue.
Frequently Asked Questions
The top denials in medical billing for 2025 include eligibility issues, coding errors, and missing prior authorizations. These challenges persist for many providers, making it important to monitor trends to reduce future denials.
Hospital billing denials often happen due to incomplete patient info, coding mistakes, or not meeting insurance requirements. Missing prior authorizations can also be a culprit. Knowing these causes can help hospitals steer clear of financial setbacks in their billing processes.
The most common denials in medical billing usually occur due to missing info, incorrect patient details, or coding errors. Sometimes, claims get denied because the service isn’t covered by insurance or goes over authorization limits. Addressing these issues can boost claim acceptance rates.
