Unraveling the Mysteries of Medical Claims Denials: A Comprehensive Guide

In the complex world of healthcare, medical billing plays a crucial role in ensuring that healthcare providers receive timely and accurate reimbursement for their services. However, even the most carefully prepared medical claims can face obstacles in the form of denials. This blog post will delve into four common reasons for medical claims denials: medical necessity, lack of authorization, coordination of benefits, and not covered. Understanding these denial reasons can empower owner-operated healthcare providers to navigate the reimbursement landscape more effectively and maximize revenue.


1. Medical Necessity Denials: Medical necessity denials occur when a service or procedure is deemed unnecessary or unjustified based on the patient's medical condition. Insurance providers review claims to ensure the treatment meets established medical guidelines and protocols. To avoid these denials, medical billing companies should emphasize the importance of accurate documentation that clearly outlines the patient's medical condition, the rationale for the treatment, and any supporting evidence, such as test results or physician notes. Communicating the medical necessity effectively can significantly reduce the chances of denials related to this category. Too often, providers fail to realize that payment recoupments can be initiated after a claim has been paid due to a retro medical necessity review. As a provider, obtaining as much medical documentation as possible during your intake process is essential. 


2. Lack of Authorization Denials: Obtaining prior authorization from insurance providers is often a prerequisite for specific medical procedures, treatments, and services. Lack of authorization denials occurs when the necessary approval is not obtained before the services are rendered. Healthcare providers should ensure that all the required authorizations are obtained well in advance. Efficient communication and documentation between intake departments and billing experts are crucial to prevent these denials. Review your standard operating procedures for your authorization process and individual payers to avoid unnecessary write-offs. 


3. Coordination of Benefits Denials: Coordination of benefits (COB) denials occur when multiple insurance plans cover a patient, and there needs to be more clarity about which plan is primary and which is secondary. These denials often result from incomplete or inaccurate patient information received during intake. To mitigate COB denials, providers should diligently verify and update patient insurance information, educate patients about their coverage, and work closely with referral sources to determine the correct order of payment. Remember that insurance plans may also retro-terminate insurers which would affect the order of payment. 

4. Not-Covered Denials: Not-covered denials are perhaps the most straightforward, yet they can be equally frustrating. These denials occur when the provided service or treatment is not covered under the patient's insurance plan. To avoid not-covered denials, it is essential for healthcare providers to have a thorough understanding of each patient's insurance coverage and to verify the coverage before administering any services. Clear communication with patients about covered and non-covered services can help prevent not covered denials. Self-service and automated insurance verifications can help to quicken the referral process, but complex and high-dollar therapies should be verified verbally with the insurance carrier.



Medical claims denials can be a significant challenge for owner-operated healthcare providers with limited staff resources. However, armed with a comprehensive understanding of the common denial reasons – medical necessity, lack of authorization, coordination of benefits, and not covered – medical providers can proactively address these issues. By focusing on accurate documentation, obtaining necessary authorizations, coordinating benefits effectively, and verifying coverage, healthcare providers can secure the rightful reimbursement for their claims. As the healthcare landscape evolves, a proactive approach to claims denials will remain an essential component of financial success for healthcare providers.


Since 1988 Professional Reimbursement has provided expert billing and accounts receivable services to healthcare providers. We understand there are cycles when your resources available for denial management can not meet increased demand. Team PRI is here to serve as an extension of your current team so that as you increase your active patients and new billing, your claims over 90 days are actively pursued.  Schedule a call today Sales@teampri.com and learn how we can support your reimbursement goals..