What is the most common claim denial?

Asked by: Elena White  |  Last update: June 22, 2026
Score: 5/5 (27 votes)

The most common insurance claim denial is missing or inaccurate patient information, often referred to as front-end registration errors or "missing information". This includes minor typos like a wrong date of birth, misspelled name, or incorrect policy ID, which lead to automated denials.

What is the most common reason for claim denial?

The most common reasons for claim denials are missing or incorrect patient information, such as misspelled names or invalid ID numbers, and lacking prior authorization for services. Other frequent causes include duplicate submissions, non-covered services, and services deemed not medically necessary. These often result from administrative errors rather than clinical ones.

What are the 4 types of denial?

The four primary types of denial are denial of fact, minimization, denial of responsibility, and denial of impact, which serve as psychological defense mechanisms to protect individuals from uncomfortable truths. These methods allow people to distort reality, manage stress, or avoid accountability for behaviors such as addiction, abuse, or trauma.

What are the top 10 denials in medical billing?

The top 10 medical billing denials often stem from preventable administrative and coding errors, with missing information (CO 16), incorrect eligibility (CO 109), and duplicate claims (CO 18) leading the list. Common reasons also include lack of prior authorization (CO 197), non-covered services (PR 96), and late filing (CO 29), which can significantly delay revenue.

Which insurance to avoid?

Based on expert financial advice and consumer reports, insurances to avoid generally include those covering low-cost items, items with low probability of loss, or products that overlap with existing coverage. Often-cited unnecessary policies include extended warranties, rental car insurance (usually covered by personal auto insurance), and credit insurance.

Common Claim Denial Categories and How to Fix Them

15 related questions found

What not to say to the insurance adjuster?

Avoid making statements like, “I'm fine,” “It's not that bad,” or “I don't really need to see a doctor.” Insurance adjusters rely on your early descriptions to judge how seriously you are hurt, and any language about your pain not being that bad can be used against you in the future.

What are the three types of claim denials?

The 5 Most Common Types of Medical Claim Denials:

  • Eligibility issues.
  • Missing or invalid claims data.
  • Authorization issues.
  • Non-covered services.
  • Missing documentation.

What are 5 common CPT codes?

Common CPT Examples

  • 97110 – Therapeutic Exercises. ...
  • 97112 – Neuromuscular Reeducation. ...
  • 99396 – Physical Checkup. ...
  • 99397 – Preventive Exam for Patient over 65. ...
  • 99386 – Preventive Exam for New Adult Patient. ...
  • 90658 – Administer Flu Shot. ...
  • 36415 – Routine Venipuncture (Blood Draw) ...
  • 71045 – X-Ray Chest Exam 1 View.

What is the 4 denial code?

Denial code 4 (CO-4 or OA-4) indicates that a procedure code is incompatible with the modifier used, or a required modifier is missing, often falling under [Contractual Obligation] (CO). It frequently signals a coding error where the service rendered requires further clarification (e.g., anatomical location or distinct procedural service) to be processed by the insurer.

What is the deadliest form of denial?

Quote by C. Northcote Parkinson: “Delay is the deadliest form of denial.”

What are the 5 C's of negative thinking?

The five C's of negative thinking—Complaining, Criticizing, Concern, Commiserating, and Catastrophizing—are a framework from author Price Pritchett, often highlighted on platforms like Lewis Howes' podcast, for identifying habits that hinder performance, mental health, and potential.

What triggers denial?

Denial reasons in medical billing, often indicated by codes on a remittance advice (RA), explain why an insurance claim was not paid. Common reasons include missing information, lack of medical necessity, prior authorization failures, or patient eligibility issues. These codes help providers identify errors to correct and resubmit claims.

What are the three most common mistakes on a claim that will cause denials?

The three most common mistakes that cause medical claim denials are incorrect patient identification details, lack of prior authorization, and untimely filing.

What is a 57 denial code?

Decline code 57 indicates "Service Not Allowed" or "Transaction Not Permitted," meaning the card issuer is blocking the transaction due to specific restrictions on the card. The card is in good standing but cannot be used for this specific type of purchase, such as online, international, or high-risk MCC transactions.

What is the 80% rule in insurance?

The 80% rule in homeowners insurance dictates that you must insure your dwelling for at least 80% of its total replacement cost to receive full coverage (replacement cost) on claims. If coverage falls below this threshold, insurers may only pay a portion of a partial loss or the actual cash value rather than the cost to rebuild.

What are the top 5 denials in medical billing?

The top 5 medical billing denials, often caused by administrative errors or coding inaccuracies, are: 1. Missing/Incomplete Information (CO 16), 2. Coverage/Eligibility Issues (CO 109), 3. Duplicate Claims (CO 18), 4. Missing Prior Authorization (CO 197), and 5. Medical Necessity/Non-Covered Services (CO 50/PR 96). Resolving these typically requires correcting data, verifying insurance, or providing supporting documentation.

What's the difference between 99213 and 99214?

The primary difference between CPT codes 99213 and 99214 for established patients lies in the level of medical decision-making (MDM) and time spent, with 99214 representing moderate complexity and longer visits (25-39 minutes) compared to 99213's low complexity (15-29 minutes). 99214 generally involves managing worsening or complex chronic conditions, whereas 99213 covers stable conditions.

What are the 10 most common diagnosis in primary care?

Data were from 12 countries across 5 continents. The 10 most common clinician-reported RFVs were upper respiratory tract infection, hypertension, routine health maintenance, arthritis, diabetes, depression or anxiety, pneumonia, acute otitis media, back pain, and dermatitis.

What are the 4 types of claims?

The four common types of argumentative claims are claims of fact (debating truth), claims of value (judging quality/morality), claims of policy (advocating action), and claims of cause and effect (examining consequences). These claims help define the central, debatable thesis of an argument and guide the supporting evidence.

Which medical insurance denies the most claims?

Based on 2023–2024 data, UnitedHealthcare often has the highest claim denial rates among major U.S. insurers, with some reports showing they denied roughly one-third of in-network claims, significantly higher than the industry average. Other insurers with high denial rates include AvMed, Oscar Health, and Cigna.

What are the 3 D's of insurance claims?

When you file a claim after an accident, insurance companies often use tactics to protect their bottom line rather than pay you fairly. These strategies—sometimes called the “3 D's” (Delay, Deny, Defend)—are designed to minimize payouts, frustrate victims, and pressure people into unfair settlements.

What scares insurance adjusters?

How to Intimidate the Insurance Adjuster

  • Understanding the complexities of all relevant insurance policies.
  • Gathering evidence, such as medical records, police reports, witness statements, surveillance footage, and other relevant information or documentation.
  • Pursuing compensation from all liable parties.

What are the 7 rules of insurance?

The seven basic principles of insurance are utmost good faith, insurable interest, indemnity, contribution, subrogation, loss minimisation, and proximate cause. These principles define how insurance contracts are formed and how claims are assessed. They create the legal and operational framework behind every policy.

How to outsmart an insurance adjuster?

Document Your Losses. Insurance claims are won and lost based on evidence. Keep records of your medical bills, your out-of-pocket losses and your lost wages. The more proof you have of your losses, the more likely you are to outsmart the insurance company's attempt to deny or lowball your claim.