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The Truth About Medicare Advantage Claim Denials and How You Can Appeal

A doctor with dark hair talks with a patient wearing glasses about a recent insurance claim.

Getty Images / Natalia Gdovskaia

Key Takeaways

  • The rate of Medicare Advantage (MA) claims has escalated in recent years, prompting medical and government scrutiny of prior authorization processes that slow down care in favor of cost savings.
  • However, you have a good chance of winning MA denial appeals and receiving appropriate coverage if you read the rules, take action, and provide adequate documentation. 
  • Throughout the claim appeal process, be persistent and maintain factual communication that focuses on clear and comprehensive information. 
  • Ensure you meet the appeal deadlines set by the insurance company or Medicare, and don’t be afraid to request faster consideration if you’re concerned about your health. 

If you’re a frustrated Medicare Advantage enrollee facing more claim denials, you’re one of millions more consumers in the 👍same situation. Fortunately, there are ways🅷 to take action. 

A 2024 report from KFF found Medicare Advantage insurers fully or partially denied 7.4% (3.4 million) of claims submitted for health care pre-authorization in 2022, a sharp jump up from 5.8% in 2021 and 5.6% in 2020. 

Medicare Advantage companies use 澳洲幸运5开奖号码历史查询:prior authorization to lower their claim-payment costs by ma꧃naging how services are used, often requiring the process for certain services, medical items, inpatient care, or medications. 

Unfortunately, delays in the prior authorization process can lead to negative health impacts. A 2024 American Medical Association (AMA) survey found that 78% of physicians said the prior authorization process can sometimes lead to patients abandoning the recommended treatment altogether.

The AMA, all 50 state medical associations, and numero💎us healthcare institutions are expressing concern about the climbing rate of MA denials. There’s also increasing bipartisan Congressional scrutiny and support for speeding ꧅up Medicare Advantage claim reviews, modernizing the process, and increasing transparency in requirements. 

For example, in November 2024, 135 Democrats and 86 Republicans co-sponsored legislation to improve the prior authorization process. A similar Senate bill had already drawn 54 co-sponsors from both parties. 

In the meantime, when your prior authorization or claim for past service is denied, it may seem like your only options are to pay 澳洲幸运5开奖号码历史查询:out of pocket for the service or c♍laim, work out an arrangement with the proviꩵder, or go without the care. 

However, you can—and should—fight back against denials. The odds are𒀰 in your favor, too: KFF found that while only about 10% of MA denials were appealed in 2022, a staggering 83% of those appeals were successful, indicating they may have been initially denied in error. 

🧸 How to Contest a Medicare Advantage Claim Denial

1. Review the Denial

Medicare Advantage plans are required to send denials in writing, and denials are usually explained as “not approved” or “not covere൲d.” You also may receive a verbal denial first, followed by a written letter.    

Medicare Advantage plans usually won’t require p𒁏rior authorization for preventive care, but you𝐆 may need it—and you could be denied coverage for:

  • A specific service (such as surgery), supply, or medication 
  • A health care service, supply, or medication you’ve already received
  • Continuing a service or other care you’re receiving now
  • Supplemental benefits provided by your plan, not Medicare 

“The more expensive you become, the more opportunities the plan will have to require prior authorization or issue denials,” said Tatiana Fassieux, education and training specialist for Medicare policy, advocacy, and training a꧃t California Health Advocates. 

For example, 澳洲幸运5开奖号码历史查询:Ozempic may only🃏 be covered by your MA plan if your need fits neatly within FDA indications, such as Type 2 diabetes. However, your plan might impose other restrꦏictions, too, like only covering Ozempic for one year or only covering Ozempic after you’ve tried other medic🎶ations. 

A denial might also occur because the medical biller didn’t add the right evidence for the procedure. For example, eye lift surgery coverage might require a surgeon's photos of the eye. 

Tip

You might also ꦆwant to start an appeal if your Medicare♓ Advantage plan changes your pricing for a healthcare service, supply, or medication. 

2. Review Your Plan’s Appeal Rights 

In the initial Medicare Advantage denial letter, your plan will tell you how to appeal. In general, there are five levels of appeals for an MA decision, also known as an "organization determination.”

“It’s a formal process,” Fassieux said, and you🍌 need to follow the steps described. “It’s important to follow through and not just accept the ꦑfirst denial.”

You can review your Medicare Advantage plan's specific appeal rights and rules in the “Evidence of Coverage” on your insurer’s website, typically as a PDF. Also take note of the timelines for each step of the appeal process. There may also be guidance on how best to appeal, particularly for prior authorizations that need to happen quickly. 

If time is of the essence for health and safety reasons, your insurer might state a “fast appeal” typically happens th𝓰rough a phone call or in writing. More standard timeline appeals are made in writing. 

Warning

Medicare Part D denials may require different paperwork and processes, so review your plan’s documentation. You can sometimes request an “exception” for medi🌺cation coverage. 

Appeal Level 1: Reconsideration From Your Plan

Level 1 appeals are called “Health Plan Reconsiderati♍ons” by your plan provider. 

If you file an appeal, the plan wi✨ll inform you of its decision within 30 days if you requested a service and 60 days if you requested a payment. 

If the plan doesn’t decide in your favor or doesn’t respon♌d, your appeal automatically forwards to Level 2, which involves an organization outside your insurance company. 

Important

You can get a faster reconsidꦿeration if the 30- or 60-day timeframe jeopardizes your health.

You can also request an immediate decision review if you receive services in some facilities, such as an inpatient hospital admission (typically covered under Medicare Part A) or skilled nursing facility, and the plan decides🐬 to discharge you.  

Appeal Level 2: Independent Review Entity (IRE)

At this level, your appeal is automatically sent to an outside organization for review. The appeal proce🧔ss timeline depends🅷 on which service was involved:

  • Preauthorization appeal: 30 days
  • Payment appeal: 60 days
  • Part B drugs: 7 days
  • Fast appeal: 72 hours

In some cases, your plan can extend the appeals deadline by 14 days if i🔴t provides notification and reason, such as needing more information to decide. You’ll also be informed regarding your rights if you disagree with the extension decision. 

If the Independent Review Entity thinks your life or health is at risk due t𒁏o waiting, you’ll fall under “fast appeal.” 

If the outside organiꦡzation also denies your appeal, you have 60 days from the decision date to ask for a Level 3 appeal.

Tip

You can read Part C and Part D appeal outcomes on the Centers for Medicare & Medicaid Service𝔉s (CMS) site to understand how decisions are made. 

Appeal Levels 3 to 5 

If you disagree with the Level 2🎃 decision, you can appeal at higher 🎃levels, but the dollar amount in contention will dictate how far your appeal can go. Your plan can appeal the outcome as well.

  Level 3 Level 4 Level 5
Amount of Money In Controversy (2025)  $190 or more No minimum  $1,900 or more 
Who Reviews Your Appeal Administrative law judge or federal government attorney adjudicator The federal Medicare Appeals Council A federal district court judge
Who Can Appeal You or your MA plan  You or your MA plan No more appeals are possible after Level 5

3. Craft Your Claim Denial Appeal

When it comes time to craf♌t your appeal, you’ll typically work with your doctor. Appeal paperwork is available through your Medicare Advantage insurance company and will likely include requests for the following: 

  • Your personal information 
  • Your description of the issue
  • Medical history and treatment recommendations 
  • Results you hope to get from the insurance company

You may als꧂o want to include details about your: 

  • Medical history
  • Diagnostic test results
  • Specialist recommendations
  • Treatment plans
  • Detailed clinical notes 

It’s also recommended you provide an explanation about the medical necessity of what you need or have already received and paid for. Be ready to negotiate with various🍎 entiti♛es to find a resolution that works.

Keep detailed records of all communications, including notes o🌼n the date, time, who you spoke with, and what was sai🔜d. 

Important

If you need additional help with your appeal, contact a facility or medical practice’s patient advocate or your State Health Insurance Assistance Program (SHIP). You can also appoint a friend, family member, phyꦆsician, or lawyer as a representative as you appeal decisions. 

Another Option: Choose a New Plan 

If you feel your plan puts you in too many difficult positions regarding denials, take advantage of the annual January 1-March 31 Medicare Advantage open enrollment period

Review the “Evidence of Cove꧒rage” when considering a Medicare Advantage plan to judge the language used around appeals. Research plans to determine which se൲rvices and medications could require prior authorization in 2025. Speak with your local State Health Insurance Assistance Program (SHIP) for more advice. 

Also, be skeptical of marketing that advertises inexpensive generic-tier medications—they won't do you much good if your medication isn’t covered or you have to undergo a complex process to get it. 

Fassieux suggested that with Medicare Advantage and Part D, look past the zero-premium marketing and maximum out-of-pocket amounts. Instead, rev🉐iew all pla✤n elements.  

“We’re entering a time now in healthcare where the right coverage isn’t a given,” Fassieux said. “Think about it, and be careful and judicious in your plan choice.”  

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  1. American Medical Association. “.”

  2. American Medical Association. “.”

  3. Medicare.gov. “.”

  4. State Health Insurance Program. “”.

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