Medicare Denial Guide on Medicare Denial Guide — Barley

Medicare Late Enrollment Penalty: How to Appeal It

Thu, 24 Sep 2026 00:00:00 +0000

What This Means

Your Social Security notice, Medicare premium bill, or Part D plan letter says you owe a late enrollment penalty — an ongoing add-on to your monthly premium because of a period without Medicare or equivalent coverage. Part B and Part D each have their own penalty, their own rules for what counts as protected coverage, and their own way to challenge the amount. Part B penalties are challenged through Social Security; Part D penalties through the independent reviewer named on your drug plan’s notice, not the plan itself.

2027 Medicare Advantage Plan Changes: What to Do

Thu, 17 Sep 2026 00:00:00 +0000

The general enrollment timeline

For changes made during Medicare Open Enrollment:

October 15, 2026Enrollment opensCompare coverage and make changes.
December 7, 2026Enrollment closesThe plan must receive your request by this date.
January 1, 2027New coverage startsFor changes made in this window.

Your notice may have different dates. If your plan ends, you move, or your circumstances change, ask Medicare which deadline and coverage start date apply to you. See Medicare’s enrollment guidance and special enrollment periods.

HSA Contributions After Medicare: The 6-Month Lookback

Mon, 14 Sep 2026 00:00:00 +0000

What This Means

A health savings account — an HSA — lets eligible people save for qualified medical expenses with tax advantages. Medicare enrollment reduces your annual HSA contribution limit. From your first Medicare month onward, you earn no additional monthly contribution allowance. A later deposit can still fund earlier eligible months, within the tax-year limit and contribution deadline.

The trouble is that people may learn this after Medicare has already started on a date in the past. Premium-free Part A can be backdated by up to six months, reducing the number of HSA-eligible months used to calculate that year’s limit.

Medicare Supplement Plan N: What It Covers and What It Doesn't

Mon, 14 Sep 2026 00:00:00 +0000

What This Means

You have Medigap Plan N, which covers most of what Original Medicare doesn’t — but not everything. If you received a bill after a doctor or emergency room visit, it may not be a mistake. Plan N is designed to leave a few specific costs in your hands: small copays on certain office and ER visits, and something called Part B excess charges, which are the extra fees some doctors charge above what Medicare has approved. This guide explains what Plan N covers, what it deliberately leaves out, and how to tell the difference between a built-in cost and a billing or crossover error.

Opted Out of Medicare Part B: What It Costs to Get Back In

Mon, 14 Sep 2026 00:00:00 +0000

What This Means

Medicare Part B is the half that pays for doctors, tests, outpatient treatment and most equipment. (Part A is the hospital half.) You either turned Part B down when Medicare first offered it, or you filled out form CMS-1763 later to end it. Either way you have no coverage for any of that now, and those bills are yours to pay.

Coming back is not simply a matter of changing your mind. For most people it means three separate things:

Small Employer: Medicare Should Have Paid First

Mon, 14 Sep 2026 00:00:00 +0000

What This Means

This page concerns people age 65 or older covered through their own or a spouse’s current employment. Medicare and the job-based plan have rules for who pays first; the second payer may pay some remaining covered costs, but does not necessarily pay the whole balance. Disability and end-stage renal disease have different rules; see Medicare Secondary Payer.

At 20 or more employees, the work plan normally pays first. Below 20, Medicare normally pays first, subject to the multi-employer exception described below.

Switching From Medicare Advantage Back to Medigap

Mon, 14 Sep 2026 00:00:00 +0000

What Changes When You Leave Medicare Advantage

To use Medigap, you return to Original Medicare—Part A and Part B and buy a separate supplement policy. Medigap helps pay the deductibles, coinsurance and other costs included in that policy. It cannot pay your Medicare Advantage copayments or premiums.

For most Part B services, you usually pay 20% of the Medicare-approved amount after the Part B deductible. Some services have different cost sharing or none. Original Medicare has no yearly out-of-pocket limit for Part A and Part B. Your Medigap policy determines which of those costs it pays.

Medicare Supplement Plan G Deductible: What You Still Owe

Mon, 07 Sep 2026 00:00:00 +0000

What This Means

If your husband has Original Medicare and a Medigap Plan G policy, first check which version of Plan G he has. With standard Plan G, the annual Part B deductible remains his responsibility; the policy generally covers Part B coinsurance after that. High-deductible Plan G works differently: he must pay up to $2,950 in 2026 in Medicare-covered costs before the policy pays. Meeting the Part B deductible alone does not meet that larger threshold. Medicare’s plan comparison explains both versions.

Medicare Denied Inpatient Rehab: Rehab Hospital vs. Skilled Nursing

Mon, 17 Aug 2026 00:00:00 +0000

What This Means

Your plan is not saying no to rehab — it is saying no to which building: it has decided you do not need care in an inpatient rehabilitation facility (IRF — the “acute rehab” or rehabilitation hospital your doctors recommended) and that a skilled nursing facility (SNF) is enough. That is a level-of-care judgment, and Medicare’s own rules define the line (42 CFR 412.622): IRF care is for patients who need therapy from multiple disciplines, can tolerate an intensive program — generally at least 3 hours of therapy a day, 5 days a week, or in well-documented cases at least 15 hours across a 7-day week — and need a rehabilitation physician at bedside at least 3 days a week. If you are still in the hospital waiting on this decision, act today: have your doctor call the plan and request an expedited reconsideration — when a physician says the standard wait could seriously jeopardize your life, health, or ability to regain maximum function, the plan must grant the fast track (42 CFR 422.584) and decide within 72 hours (42 CFR 422.590(e)). The plan can extend that by up to 14 days, but only at your request or where the delay is in your interest, and it must tell you in writing.

Medicare Premium Jumped Because of IRMAA (Income Surcharge)

Mon, 17 Aug 2026 00:00:00 +0000

What This Means

The letter behind your higher premium is an IRMAA determination — an income-related monthly adjustment amount that Social Security adds to your Medicare Part B (and Part D) premium because the modified adjusted gross income on your tax return from 2 years ago was over $109,000 (individual return) or $218,000 (joint return). For 2026 that means your income on your 2024 return moved your Part B premium from the standard $202.90 a month to between $284.10 and $689.90, depending on the bracket (CMS 2026 fact sheet). If your income has dropped since that tax year because of a life-changing event — retirement is the most common — do one thing today: file Form SSA-44 asking Social Security for a new determination based on your current income.

Discharged From Medicare Too Soon? How to Appeal

Sun, 12 Apr 2026 00:00:00 +0000

What This Means

Medicare or your plan has determined that your medical condition no longer requires the level of care you are receiving — in a hospital or skilled nursing facility (SNF) — and has set a date for your coverage to end. Getting this notice feels abrupt, and the financial stakes are real. What many people don’t know is that you have a legal right to appeal that decision before you leave, and if you request the appeal in time, you can typically stay put while it is reviewed.

Medicare Advantage EOB Shows a Denial You Don't Recognize

Sun, 12 Apr 2026 00:00:00 +0000

What This Means

Your Medicare Advantage plan received a claim from a provider — likely a surgeon, hospital, or specialist — and refused to pay part or all of it. Your Explanation of Benefits (EOB), the summary your plan sends after processing a claim, shows that denial as a line item. This can be alarming, especially after a major procedure, but an EOB denial is not a bill. It is the plan’s record of what it decided to cover and what it did not.

Medicare Denied Coverage Before You Enrolled ... What to Know

Sun, 12 Apr 2026 00:00:00 +0000

What This Means

The payer reported that the service happened before your coverage began. This is an eligibility denial, not a decision about whether the care was medically necessary. Your notice may show CARC code CO-26, “expenses incurred prior to coverage”. That code does not prove a real coverage gap: check the service date, effective coverage date and correct payer before deciding what to challenge.

Why This Happens

Your Part B effective date is later than you expected. Check the effective date, not just the application date. If you enrolled in the last four months of your Initial Enrollment Period, coverage starts the first day of the following month (42 CFR 407.25(a)(2)). If you enrolled during the January 1 – March 31 General Enrollment Period, the same rule applies: coverage begins the first day of the month after you sign up (42 CFR 407.25(b)(3)). Both of those dates moved earlier in 2023; before that the wait could run several months, so older advice you may have read is out of date. If you scheduled care assuming coverage was already active, there may be a real gap.
Social Security has an incorrect effective date on file. Medicare enrollment records are maintained by the Social Security Administration, and data entry errors do happen. Your coverage may have started earlier than what Medicare’s system currently shows.
A retroactive enrollment hasn’t finished processing. When you sign up for premium-free Part A after age 65, coverage can be backdated up to six months, but not before your first eligible month. For someone qualifying at 65 whose birthday is on the first of a month, that first eligible month is the preceding month. Confirm your actual eligibility date with Social Security. A few narrow Special Enrollment Periods allow retroactive Part B, but ordinary Part B enrollment is not backdated (when coverage starts). If your approval notice and Medicare’s record differ, ask Social Security and Medicare to confirm the effective date before the provider seeks claim reprocessing.
The claim went to the wrong payer after a plan change. Leaving Medicare Advantage does not by itself end Medicare coverage. Ask Medicare which coverage applied on the service date, then ask the provider to check where it sent the claim.
The provider submitted the wrong service date. Occasionally the date on the claim itself is a billing error, not a real coverage gap.

Should You Appeal?

Appeal outlook: Mixed

If your records show coverage on the service date, ask which correction or appeal applies. Keep your enrollment notice and written confirmation of any corrected effective date. A service before coverage began is not made covered simply because you filed an appeal.

Medicare Denied Your Claim Because Coverage Wasn't Active Yet

Sun, 12 Apr 2026 00:00:00 +0000

What This Means

The claim was denied because the payer recorded no applicable coverage on the service date. Confirm the dates and the correct payer before assuming you were uninsured. The denial codes come from a standard set maintained by X12: CO-26 means expenses were incurred before your coverage started, and CO-27 means expenses were incurred after coverage ended. These codes describe timing, not why the records differ. A wrong service date or wrong payer on the claim can also need correction; the code does not establish that you lacked coverage.

Medicare Part D Hit Its Prescription Out-of-Pocket Cap ... Now What?

Sun, 12 Apr 2026 00:00:00 +0000

What This Means

Medicare Part D — the prescription drug benefit — has a yearly out-of-pocket threshold for covered drugs: $2,100 in 2026. Once you reach it, you owe no new cost-sharing for covered Part D drugs for the rest of the calendar year. A pharmacy copay on a covered fill after that point may need correction. A bill from your plan can still be valid: if you use the Medicare Prescription Payment Plan, installments for costs you incurred earlier continue until paid. Plan premiums are separate too.

Does Medicare Cover Wegovy or Zepbound? (2026–2027)

Mon, 06 Apr 2026 00:00:00 +0000

What This Means

The Medicare GLP-1 Bridge — a temporary CMS demonstration that covers Wegovy (semaglutide injection and tablets), Zepbound (tirzepatide, KwikPen only), and Foundayo (orforglipron tablets) for weight loss — runs from July 1, 2026 through December 31, 2027 and charges a flat $50 copay per one-month supply to Part D enrollees age 18 or older who meet a BMI test (CMS; CMS provider FAQ). If you think you qualify, ask your prescriber to send a prescription for one of these drugs to your pharmacy — the pharmacy’s first claim triggers the prior authorization (Medicare.gov).

Charge on Medicare Statement You Don't Recognize

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

You received your Medicare Summary Notice (MSN) and noticed a charge that does not look familiar. Maybe you do not recognize the provider name, the date of service, or the type of service listed. That is understandable — and it is good that you are paying attention. Reviewing your MSN carefully is one of the most important things you can do to protect yourself and your Medicare benefits.

Extra Help Copay Not Applied at Pharmacy

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

If you qualify for Medicare Extra Help (also called the Low Income Subsidy or LIS), it reduces costs for covered Part D prescriptions. The correct copay depends on your eligibility level, the fill date and the covered claim. Check those details before deciding a pharmacy charge was an overpayment.

If you were charged a higher copay than your applicable Extra Help amount for a covered prescription, ask the plan to check its eligibility record and the claim. An administrative correction may resolve the issue. If the plan refuses the requested payment or cost-sharing correction, use the coverage-determination and appeal process below.

Medicare Advantage Charged You Past the Out-of-Pocket Max

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

Your Explanation of Benefits or a provider bill shows a copay, coinsurance, or other cost-sharing amount — but you have already reached your Medicare Advantage plan’s annual out-of-pocket maximum (sometimes called the MOOP). Once you hit that limit, your plan is required to pay 100% of covered services for the rest of the calendar year. You should not owe anything more.

If you are being billed after reaching your maximum, the charge is almost certainly an error. This can happen because of a lag in claims processing, a billing system that has not caught up with your spending totals, or a simple mistake by the plan or provider. Either way, you should not have to pay it.

Medicare Bill Sent to Collections

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

A medical bill related to Medicare has been turned over to a collection agency, and you believe the debt is wrong. Maybe Medicare already paid the claim. Maybe you already paid the provider. Maybe the bill is for someone else entirely, or for a deceased family member. Whatever the reason, receiving a collections letter is stressful — but you have strong legal protections.

The Fair Debt Collection Practices Act (FDCPA) is a federal law that governs how collection agencies can contact you and what they must do when you dispute a debt. You do not have to accept a collections notice at face value, and you do not have to pay a debt you believe is invalid.

Medicare Part D Overcharged: Insulin, Vaccine, or OOP Cap

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

Medicare has statutory cost-sharing limits for covered insulin, certain adult vaccines and annual Part D drug costs. Before requesting a refund, check whether the prescription was covered, which Medicare benefit paid it, the quantity or days supplied, and which limit applied on that date.

There are three price caps you should know about, all created by the Inflation Reduction Act:

First, covered Part D insulin has a product-specific monthly limit. In 2026, a one-month supply of each covered insulin product costs no more than the lowest of $35, 25% of the plan’s negotiated price, or 25% of the maximum fair price, if applicable. The Part D deductible does not apply. That means a charge below $35 can still be too high. Ask the plan to confirm the correct amount for your product and days supplied. This rule covers Part D plans, including Medicare Advantage plans with drug coverage; it does not itself make a non-covered insulin covered. CMS explains the 2026 calculation. Insulin used in a Part B-covered pump has a separate monthly limit of $35 or less (Medicare.gov).

Medicare-Eligible but Kept Commercial Insurance

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

You are over 65, still working or on a spouse’s employer plan, and you decided not to sign up for Medicare Part B. That seemed like a reasonable choice — you already had health insurance through work. But now your commercial plan is paying only a small fraction of your medical bills, sometimes as little as 20% of what Medicare would allow. You are getting billed for the rest.

Medigap Didn't Pay After Medicare

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

Medicare approved this service and paid its share, but your Medigap supplement has not paid the remaining amount you expected it to cover. The automatic Medicare-to-Medigap handoff, called crossover, may have failed. First find out whether the claim is missing, still processing or already denied. A balance can also reflect a deductible or another cost your policy does not cover.

Make that call now: the customer service number is on the back of your Medigap card. Have your Medicare Summary Notice (MSN), supplement policy number and provider bill ready. Ask which part is still being processed and which part is your responsibility. Standard Plan G leaves the annual Part B deductible ($283 in 2026); high-deductible Plan G has a separate $2,950 covered-cost threshold for 2026 before it pays. Plan N can leave office-visit and emergency-room copays, and coverage dates also matter.

Pharmacy Receipt Doesn't Match Part D EOB

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

You picked up a prescription at the pharmacy and paid a certain amount. But when you got your Part D Explanation of Benefits (EOB) in the mail or online, the amount listed as “your cost” was different from what you actually paid. This is confusing — and it matters, because the wrong amount can affect how much credit you get toward your annual out-of-pocket cap.

The good news is that this kind of discrepancy is usually a billing issue, not a coverage denial. In most cases, a phone call to your Part D plan or pharmacy can clear it up. If you overpaid, you are entitled to a refund.

When Part D Costs More Than Cash (GoodRx, etc.)

Tue, 31 Mar 2026 00:00:00 +0000

What This Means

You went to pick up a prescription and noticed something strange: the price your Medicare Part D plan charges is higher than what you would pay out of pocket using a discount card like GoodRx, Cost Plus Drugs, or Amazon Pharmacy. This is not a mistake. It happens more often than you might think, especially with common generic medications.

This is most noticeable during the deductible phase of your Part D plan, which is the beginning of the year before you have spent enough on drugs for your plan’s cost-sharing to kick in. During this phase, you are responsible for the full plan-negotiated price of your medications — and that negotiated price can be significantly higher than the retail cash price.

'Not Medically Necessary' Denial: How to Appeal

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare pays only for care that is “reasonable and necessary” for diagnosing or treating illness or injury — the coverage standard set by Section 1862(a)(1)(A) of the Social Security Act — and a reviewer decided the paperwork submitted with this claim didn’t prove your service met it. On your MSN or EOB the denial usually appears as CARC code CO-50, “these are non-covered services because this is not deemed a ‘medical necessity’ by the payer.” The denial turns on what was documented, not on whether you truly needed the care. Act now: call your doctor’s office and ask for a letter of medical necessity — then file your appeal within 120 days of receiving your MSN (Original Medicare) or 65 days of the date on your denial notice (Medicare Advantage). Your MSN prints your exact filing deadline; use that date if you are close to the line.

Medicaid Spend-Down or Medicare Waiting Period: What to Do

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your notice may concern a Medicaid spend-down, a Medicare entitlement waiting period, or an actual claim denied because coverage was not active. These are different decisions. Check which agency or plan issued the notice before choosing a correction or appeal process.

A Medicaid spend-down can let someone whose income exceeds the state’s limit qualify by incurring eligible medical expenses, including qualifying unpaid bills. It is not a Medicare deductible or Medicare eligibility rule. A Medicare waiting period usually refers to the 24-month wait for coverage when you qualify through disability.

Medicare ABN (Advance Beneficiary Notice) Guide

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your healthcare provider gave you a form called an Advance Beneficiary Notice of Noncoverage (ABN) before providing a service, test, or supply under Original Medicare. This form is your provider’s way of telling you: “We don’t think Medicare will pay for this, and here’s what it will cost.”

The ABN is not a denial. It is a heads-up that a denial is likely, and it gives you the choice of how to proceed. What you choose on the ABN has a direct effect on whether you can appeal later and who pays if Medicare says no.

Medicare Advantage Plan Denied Your Claim

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Advantage (MA) plan — the private insurance company that manages your Medicare benefits — has decided not to pay for a service, treatment, or item. This could be a denial of a prior authorization request (before you get the service) or a claim denial (after you already received the service).

Medicare Advantage plans are required to cover everything Original Medicare covers, but they may apply different rules about how and when services are approved.

Medicare Balance Billing: Is This Legal?

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

A bill after Medicare pays is not automatically improper. You may owe a deductible or coinsurance. The issue here is excess billing beyond the amount Medicare’s rules allow the provider to collect. Compare the provider’s bill with the patient share on your Medicare Summary Notice (MSN) or plan’s explanation of benefits.

Which coverage paid? The assignment and limiting-charge rules below describe Original Medicare. If you have Medicare Advantage, ask your plan to confirm the covered service and your share of the bill. A disagreement about the plan’s payment or the amount it says you owe can require a plan decision and appeal. QMB protections for Medicare-covered Part A and Part B cost sharing apply in both programs.

Medicare Benefit Limit Reached: What to Do Next

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your notice may use one of these codes: CARC code CO-119, “Benefit maximum for this time period or occurrence has been reached,” or CO-35, “Lifetime benefit maximum has been reached.” A CO-119 maximum is tied to a time period or occurrence, so it can start fresh when a new one begins; a CO-35 lifetime maximum does not renew. The code reports the reason for the payment decision; it does not prove the day count or limit was applied correctly, or that the care was unnecessary.

Medicare Bill Higher Than the Allowed Amount

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Summary Notice or Explanation of Benefits shows a CO-45 adjustment (“charge exceeds fee schedule/maximum allowable”), meaning the provider charged more than the amount Medicare approves for this service. Medicare has a fee schedule — a set price it will pay for each service. When a provider charges more, Medicare adjusts the payment down to its approved amount.

Whether you owe any of the difference depends on whether your provider “accepts assignment” (agrees to accept Medicare’s price as full payment).

Medicare Can't Verify Your Enrollment

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare could not match the information submitted on the claim with its records. Ask your provider’s billing office exactly what Medicare returned and which information needs correction.

The X12 reason-code list describes CO-31 as a patient identification problem and CO-140 as a mismatch between the health identification number and name. A reason code alone does not establish whether Medicare returned the claim as unprocessable or made an appealable payment denial.

Medicare Coinsurance: Why You Owe 20%

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Summary Notice or Explanation of Benefits shows a “coinsurance” amount. This is not a denial. Medicare approved your claim and paid its share — the coinsurance is the portion you owe.

For most Part B services (doctor visits, outpatient care, medical equipment), Medicare pays 80% of the approved amount and you pay the remaining 20%. This 20% is your coinsurance.

Why This Happens

This is standard Medicare cost-sharing. After you meet your annual Part B deductible ($283 in 2026), you pay 20% coinsurance on most Part B services. This is how Original Medicare is designed.
There is no annual cap on coinsurance in Original Medicare. Unlike Medicare Advantage plans, Original Medicare does not have an out-of-pocket maximum. If you have many or expensive services, your coinsurance can add up throughout the year.
Part A has different coinsurance rules. For hospital stays, you pay nothing for days 1-60 (after the Part A deductible of $1,736 per benefit period in 2026), then a daily coinsurance for days 61-90 ($434 per day in 2026), and $868 per day for each “lifetime reserve” day (days 91-150, up to 60 days over your lifetime). Skilled nursing facility stays have $0 coinsurance for days 1-20 and $217 per day for days 21-100 in 2026.

Should You Appeal?

This is not a denial

Coinsurance is a standard part of Medicare cost-sharing. Medicare approved the service and paid its portion — the coinsurance is your share. You cannot appeal the 20% rate itself; that is set by law, and no appeal will change it.

Medicare Copay: Why You Owe a Fixed Fee

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Explanation of Benefits shows a copay — a fixed dollar amount you owe for a covered service. On the statement this appears as code PR-3, “Co-payment Amount” — the PR group code means “Patient Responsibility”. This is not a denial. Your plan approved the service and paid its share. The copay is your portion.

Copays are most common in Medicare Advantage (Part C) plans. Original Medicare (Parts A and B) generally uses coinsurance (a percentage) rather than copays, though Part A has some fixed per-day costs for extended hospital stays.

Medicare Deductible: Why You Owe This Amount

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Summary Notice or Explanation of Benefits shows an amount “applied to your deductible.” This is not a denial — Medicare approved the claim and is telling you that this cost counts toward your annual deductible, which you’re responsible for paying.

Think of the deductible as a threshold you pay each year before Medicare starts covering its share of costs.

Why This Happens

You haven’t met your annual deductible yet. At the start of each year (or benefit period for Part A), you pay a set amount out of pocket before Medicare begins paying. Until you reach that amount, costs are applied to your deductible.
This is your first claim of the year. Early in the year, most or all of a service’s cost may be applied to your deductible.
You have a new benefit period. For Part A (hospital) services, the deductible resets with each benefit period, not just annually.

Should You Appeal?

This is not a denial

Deductible charges are standard Medicare cost-sharing, not a denial — Medicare approved the claim and is telling you which portion is yours. You cannot appeal the existence or the size of the deductible; both are set by law.

Medicare Denial vs. Adjustment: What's the Difference?

Thu, 26 Mar 2026 00:00:00 +0000

The Short Answer

A denial means Medicare refused to pay for the service. You may be able to appeal.
An adjustment means Medicare approved the claim but you owe a portion (like a deductible, coinsurance, or copay). This is standard cost-sharing.

The difference matters because it determines your next step. If it’s a denial, the question is whether Medicare should have paid at all. If it’s an adjustment, the question is whether your share was calculated correctly.

Medicare Denied a Free Preventive Service

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare covers many preventive services — like screenings, vaccines, and your annual wellness visit — at no cost to you, as long as you see a provider who accepts Medicare assignment. If you were denied coverage or charged money for a service you believe should have been free, something may have gone wrong with how it was billed.

A claim denial or unexpected charge may reflect a coding mistake, a screening that converted to treatment, a separate service, or a coverage rule. Check the code and your medical record before assuming the charge is wrong. On a denial notice you may see CARC 96 (non-covered charges).

Medicare Denied Ambulance Claim

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare reviewed your ambulance claim and decided the transport was not medically necessary or did not meet its coverage rules. On your notice this typically appears as CARC CO-50 (not deemed medically necessary), CO-96 (non-covered charges), or CO-5 (place of service inconsistent). This does not mean you didn’t need help — it means Medicare did not receive enough information to confirm that an ambulance was the only safe way to transport you.

Medicare Denied Claim as Experimental Treatment

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare reviewed your claim and determined that the service or treatment is considered experimental or investigational. On your MSN or EOB this typically appears as CARC CO-55 (procedure/treatment/drug deemed experimental/investigational by the payer) or CO-50 (not deemed medical necessity). In Medicare’s view, the treatment has not yet been proven safe and effective through enough research to be considered a standard, accepted medical practice.

This does not necessarily mean the treatment is unsafe or will not help you. It means Medicare’s coverage rules do not yet include it.

Medicare Denied Claim Due to a Coding Error

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

If your notice says the claim’s codes do not match, call your provider’s billing office. Have your Medicare Summary Notice (MSN) or Explanation of Benefits (EOB) and bill ready. Ask the office to check the diagnosis, procedure and other billing details, and correct and resubmit the claim if it finds a mistake. You do not need to choose the codes yourself.

Medical claims use codes to describe the care you received: HCPCS/CPT for procedures, ICD-10 for diagnoses, plus modifiers and place-of-service codes. A mismatch can trigger a denial. X12 maintains the Claim Adjustment Reason Codes (CARCs) that describe these issues. Ask the billing office to explain the reason on your notice and whether the claim contains an error.

Medicare Denied Claim for Late Filing (Timely Filing)

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied this claim because it was submitted after the filing deadline. This usually appears as CARC CO-29, “the time limit for filing has expired”. For Original Medicare, providers generally have one calendar year from the date of service to submit the claim (42 CFR 424.44). Medicare Advantage plans set their own provider filing deadlines by contract, which can be shorter.

This is almost always a billing office issue, not something you caused.

Medicare Denied Claim for Missing Information

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare could not process your claim because it was missing information or had incorrect details. On your notice this shows up as CARC code CO-16, which means the claim “lacks information or has submission/billing error(s)” — and at least one accompanying remark code will spell out exactly what was missing. This is one of the most common denial codes in Medicare billing. The good news: this is almost always a paperwork problem, not a problem with your care or coverage.

Medicare Denied Claim: Car Accident or Work Injury

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied your claim because it believes another insurer should pay first. Under a federal law called the Medicare Secondary Payer (MSP) Act, Medicare does not pay for medical care when another type of insurance is responsible.

This usually happens when your care is related to:

A car accident — your auto insurance (or the other driver’s insurance) is expected to pay first
A work injury — workers’ compensation is expected to pay first
Another person’s negligence — liability insurance may be responsible

Medicare is the “payer of last resort” in these situations.

Medicare Denied Claim: Covered Under Different Part

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare did not deny the service itself. Instead, the claim was submitted to the wrong part of Medicare. The service may be fully covered — it just needs to be billed to the correct place. On your notice this usually appears as CARC code CO-109, “claim/service not covered by this payer/contractor; you must send the claim/service to the correct payer/contractor,” or, when the service should have gone to your Medicare Advantage plan, CO-24, “charges are covered under a capitation agreement/managed care plan.”

Medicare Denied Claim: Need Primary Care Referral

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Advantage plan denied this claim because you saw a specialist without first getting a referral from your primary care provider (PCP). Many Medicare Advantage HMO plans require your PCP to authorize specialist visits before you go. Without that referral, the plan may refuse to pay. On your notice this usually appears as CARC code CO-242, “services not provided by network/primary care providers.”

This requirement does not apply to Original Medicare. If you have Original Medicare (not a Medicare Advantage plan), you do not need referrals to see specialists.

Medicare Denied Claim: Not Improving (Maintenance)

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare reviewed your claim and determined that the services were no longer necessary because your condition was not improving. On your notice this usually appears as CARC code CO-50, “these are non-covered services because this is not deemed a ‘medical necessity’ by the payer.” This type of denial is common for physical therapy, occupational therapy, speech-language pathology, and skilled nursing facility care.

Here is the important part: Medicare is not supposed to deny coverage just because you are not improving. A landmark legal settlement – Jimmo v. Sebelius (2013) – confirmed that Medicare must cover skilled care that is needed to maintain your current condition or prevent further decline, even if improvement is not expected.

Medicare Denied Claim: Out-of-Network Provider

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Advantage plan denied your claim because the doctor, hospital, or other provider who treated you is not part of your plan’s approved network. The plan is saying it will not pay for care from this provider.

This type of denial is almost always a Medicare Advantage issue. Original Medicare does not use provider networks — if you have Original Medicare (Parts A and B without a Medicare Advantage plan), you can see any provider who accepts Medicare.

Medicare Denied Claim: Prior Authorization Expired

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your claim was denied because the prior authorization on file either expired before the service was provided or didn’t match the service that was actually performed. On your notice this usually appears as CARC code CO-198, “precertification/notification/authorization/pre-treatment exceeded” – the code plans use when an authorization was on file but the service that was billed went beyond what it covered. Even though your plan originally approved something, the approval wasn’t valid for what was ultimately billed.

Medicare Denied Claim: Provider Not Enrolled

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied this claim because the provider who treated you is not enrolled in the Medicare program. All providers who bill Medicare must complete an enrollment process with CMS (the Centers for Medicare & Medicaid Services). If a provider has not completed this step, Medicare cannot pay the claim. On your notice this usually appears as CARC code CO-B7, “this provider was not certified/eligible to be paid for this procedure/service on this date of service.”

Medicare Denied Claim: Referral Missing or Invalid

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your claim was denied because your health plan required a referral from your primary care provider (PCP) for this service, and the referral was either missing, expired, or didn’t match the service you received. Without a valid referral on file, the plan won’t pay for the visit. On your notice, a missing or invalid referral is typically adjudicated under the authorization codes – CARC code CO-197, “precertification/authorization/notification/pre-treatment absent,” or, when a referral has expired or run out of visits, CO-198, “precertification/notification/authorization/pre-treatment exceeded.”

Medicare Denied Claim: Sent to Wrong Insurance

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied this claim because it was sent to the wrong insurance plan. On your notice this usually appears as CARC code CO-109, “Claim/service not covered by this payer/contractor. You must send the claim/service to the correct payer/contractor,” or CO-22, “This care may be covered by another payer per coordination of benefits.” This usually means one of two things: either another insurer should have been billed first (because Medicare is your secondary insurance), or the claim was sent to Original Medicare when you’re in a Medicare Advantage plan (or the other way around).

Medicare Denied Claim: Service Bundled Into Another

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied separate payment for this service because it considers the service included in another payment or incompatible with another billed code. In medical billing, this is called “bundling.” On your MSN or EOB you’ll typically see the denial as CARC CO-97 (benefit included in another procedure already adjudicated) or CO-236 (procedure conflicts with another per the National Correct Coding Initiative). The CO prefix means “Contractual Obligation” — meaning the cost is the provider’s responsibility under their Medicare agreement, not yours.

Medicare Denied Claim: Too Many Visits or Services

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare reviewed your claim and decided that the number of visits or services was more than what it considers justified based on the information submitted. On your notice this usually appears as CARC code CO-151, “the payer deems the information submitted does not support this many/frequency of services,” CO-119, “benefit maximum for this time period or occurrence has been reached,” or CO-273, “coverage/program guidelines were exceeded.” This is especially common with physical therapy, occupational therapy, and speech-language pathology services, but it can happen with any type of care.

Medicare Denied Claim: Wrong Care Setting

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied your claim because the service was provided in a location or care setting that doesn’t match Medicare’s requirements for that type of service. On your MSN or EOB this typically appears as CARC CO-5 (procedure code inconsistent with the place of service) or CO-58 (treatment rendered in an inappropriate or invalid place of service). Medicare has specific rules about where certain procedures and treatments can be performed in order to be covered.

Medicare Denied Claim: Wrong Level of Care

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare reviewed your claim and determined that you did not meet the medical criteria for the level of care that was billed. On your MSN or EOB this typically appears as CARC CO-50 (not deemed medical necessity) or CO-150 (information submitted does not support this level of service). This most commonly happens in two situations:

Hospital stays: Your hospital stay was reclassified from inpatient to observation (outpatient) status, meaning Medicare Part A will not cover the stay.
Skilled nursing facilities (SNFs): Medicare determined that you did not need the level of skilled care provided, or you did not meet the 3-day inpatient hospital stay requirement.

This denial can have a major financial impact, especially if it affects your eligibility for follow-up SNF care.

Medicare Denied Home Health Care Claim

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

If already-covered home health services are ending, act on the fast-appeal notice first. Your agency should give you a Notice of Medicare Non-Coverage (NOMNC). Request review from the independent reviewer listed on it: for Original Medicare, contact the BFCC-QIO by noon of the calendar day after receiving the notice; for Medicare Advantage, contact the Medicare-contracted reviewer by noon of the first day after notice delivery. This request goes to the reviewer, not just the agency or plan. Follow the notice’s instructions immediately and call the reviewer if its listed deadline appears inconsistent with when you received it. Ask your physician to explain whether stopping the services would put your health at significant risk. A late request can still be reviewed, but special decision timeframes and financial protections may be lost (Original Medicare rule; Medicare Advantage rule).

Medicare Denied Lab Work or Diagnostic Test

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Summary Notice or Explanation of Benefits shows a denied test. The provider’s billing record may include CARC 50 for a medical-necessity denial or CARC 167 for a diagnosis that did not meet a coverage rule. A code mismatch is one possible cause; missing records, frequency limits and other coverage requirements can also matter. Start by calling the clinician who ordered the test. Ask them to review the diagnosis and medical record, then send any supported correction or missing information to the lab or other provider that billed it.

Medicare Denied Physical Therapy Claim

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied coverage for your physical therapy (PT), occupational therapy (OT), or speech-language pathology (SLP) services. This means Medicare will not pay for some or all of the therapy your doctor or therapist prescribed.

Therapy denials are one of the most commonly appealed Medicare issues — and for good reason. Many of these denials are based on outdated rules or incorrect application of coverage guidelines.

Why This Happens

Medicare says therapy is “no longer medically necessary.” This is the most common reason. Medicare (or your MA plan) may decide that you have made enough progress and no longer need skilled therapy. However, this determination is sometimes made incorrectly, especially for people with chronic or progressive conditions. If your denial notice uses that exact phrase, see claim denied as not medically necessary for how that denial reason works more generally.
You were denied because you are “not improving.” This reason is legally wrong under the Jimmo v. Sebelius settlement. In 2013, a federal court confirmed that Medicare must cover skilled therapy to maintain your condition or slow decline — even if you are not getting better. Despite this, some claims are still wrongly denied on this basis.
The claim exceeded frequency or visit limits. CARC code 151 means the payer believes the documentation does not support the number of therapy visits billed. This can happen if your visits exceed what the payer considers typical for your diagnosis, even if your therapist believes they are necessary. A related code, CARC 119 (“benefit maximum for this time period has been reached”), should not appear on an Original Medicare therapy claim — Original Medicare no longer has an annual therapy dollar cap — so a 119 denial almost always comes from a Medicare Advantage plan applying its own visit limit, which you can challenge.
Your Medicare Advantage plan denied prior authorization. Many MA plans require pre-approval for therapy services, especially after a certain number of visits. If the plan did not approve continued therapy, the claim is denied.
Documentation did not support medical necessity. Even when therapy is truly needed, the claim can be denied if the therapist’s notes do not clearly explain what skilled services are being provided and why they are necessary. Generic notes like “patient tolerated treatment well” may not be enough.

Should You Appeal?

Appeal outlook: Strong

Therapy denials are among the most successfully appealed Medicare claims. Here is why:

Medicare Denied Prescription Drug (Part D)

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Start by asking your plan why the prescription was refused. Your prescriber may need to show that you meet an existing prior-authorization rule. If the drug is outside the plan’s formulary or a restriction is medically inappropriate, ask about an exception and the prescriber’s supporting statement. These are different types of coverage determination.

For a drug you have not received, the plan must decide as quickly as your health requires, within 72 hours for a standard request or 24 hours if expedited. Exception timing runs from receipt of your prescriber’s statement. If it has not arrived by the end of 14 calendar days after the request, the plan must decide within the next 72 hours, or 24 hours if expedited. A request to repay you for a drug already bought instead has a 14-calendar-day decision deadline; expedited review is not available for repayment alone (42 CFR 423.568, 423.570, 423.572).

Medicare Denied Prior Authorization Request

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

If you have Medicare Advantage, your plan reviewed a request for advance approval and denied it. You can ask the plan to reconsider before receiving the service. If you have Original Medicare, the contractor or review program may instead have issued a prior-authorization non-affirmation. That is a preliminary review decision, not a denied claim with the same appeal route.

For Original Medicare, ask your provider to review and resubmit the request. For example, CMS’s current WISeR operational guide permits resubmissions and a peer-to-peer review process. A non-affirmation itself is not appealable. If a claim is later submitted and denied, that claim decision can be appealed; the Original Medicare redetermination deadline is 120 days after receipt of the MSN, presumed five days after its date unless shown otherwise. The Medicare Advantage appeal instructions below apply to plan denials.

Medicare Denied Skilled Nursing Facility Stay

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

If the facility handed you a Notice of Medicare Non-Coverage (NOMNC) before your already covered skilled nursing facility (SNF) care ends, request a fast appeal from the independent reviewer listed on that notice. Under Original Medicare, ask the BFCC-QIO by noon of the calendar day after you receive the notice (42 CFR 405.1202(b)(1)). Under Medicare Advantage, ask the Medicare-contracted independent reviewer by noon of the first day after delivery (42 CFR 422.626(a)(1)); the fast-appeal request goes to that reviewer, not your plan. Follow your notice’s instructions immediately. Medicare.gov describes the usual notice deadline as noon the day before the listed coverage end date, but late notice delivery can make that date differ from the receipt-based rule. If the dates appear inconsistent, call the reviewer at once rather than waiting.

Medicare Denied This Service for Your Diagnosis

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied your claim because the diagnosis code submitted did not satisfy a coverage or coding rule for the service. On your notice this may appear as CARC 167, “This (these) diagnosis(es) is (are) not covered,” or CARC 11, “The diagnosis is inconsistent with the procedure”. Ask the provider to compare the claim and record with the relevant National Coverage Determination (NCD) or Local Coverage Determination (LCD), plus any related Billing and Coding Article. CMS places most diagnosis-code lists in those articles, not in the LCDs; NCDs generally do not contain claims-processing code lists (CMS Medicare Coverage Database).

Medicare Denied Your Claim as a Duplicate

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied this claim because it appears to be a duplicate — meaning the same service, for the same patient, on the same date, was already submitted and processed. In most cases, the original claim was already handled correctly and this second submission was sent by mistake. This is a billing office issue, not a patient one — you should not owe anything extra because of it.

Medicare Denied Your Claim Over Who Treated You

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied this claim with CARC CO-170, “Payment is denied when performed/billed by this type of provider” — or one of its relatives: CO-171 (the same, “in this type of facility”), CO-172 (“Payment is adjusted when performed/billed by a provider of this specialty”), or CO-8 (“The procedure code is inconsistent with the provider type/specialty (taxonomy)”). The two-letter prefix decides who pays: CO stands for “contractual obligation,” and CMS’s claims manual says CO adjustments are generally “considered a write off for the provider and are not billed to the patient” (Medicare Claims Processing Manual, Chapter 22, §60.1). Call your provider’s billing office, ask them to correct and resubmit the claim, and ask them to put in writing any reason they believe you owe.

Medicare Denied Your DME — Appeal Guide & Checklist

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

A durable medical equipment (DME) denial almost always turns on one of Medicare’s three conditions of payment: a standard written order from your treating practitioner, a face-to-face visit within the 6 months before that order for items on CMS’s required list (power wheelchairs and scooters, hospital beds, oxygen equipment, and many braces), and medical records that show the item meets Medicare’s coverage test (42 CFR 410.38). Act now: call the supplier and ask exactly which requirement the denial cites, then have your doctor’s office send the missing order, visit note, or records with your appeal — within 120 days of receiving your Medicare Summary Notice (MSN) for Original Medicare (receipt is presumed 5 days after the date on it, 42 CFR 405.942(a)) or 65 days from the date on your denial notice for Medicare Advantage.

Medicare Denied: No Prior Authorization (Your Fix)

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your claim was denied because the service required prior authorization — your plan’s advance approval — and none was on file; getting that approval is almost always your provider’s responsibility, not yours. On your notice this appears as CARC code CO-197, “precertification/authorization/notification/pre-treatment absent”. Do one thing now: call your provider’s billing office and ask them to request retroactive authorization from your plan — some plans allow it, especially in urgent situations, and it can clear the denial without a formal appeal. Pursue that alongside your appeal, not instead of it: no rule caps how long a plan may sit on a retroactive request, and waiting on one does not pause your appeal clock. You have 65 days from the date on your denial notice (Medicare Advantage) or 120 days from receiving your MSN (Original Medicare), and 80.7% of appealed Medicare Advantage prior authorization denials were fully or partially overturned in 2024.

Medicare Denied: Service Didn't Match Diagnosis

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

This is different from a “diagnosis not covered” denial, which means Medicare excludes the service entirely for your diagnosis. Here, Medicare covered the service in principle but questioned whether it was the right treatment for your specific condition.

Medicare reviewed your claim and determined that the service or procedure was not appropriate for the diagnosis listed. In other words, Medicare does not see a match between the condition you were treated for and the treatment you received.

Medicare Drug Plan Won't Cover Your Medication

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Your Medicare Part D plan may refuse a prescription because the drug is outside its formulary (list of covered drugs), or because a coverage rule has not been met. Call the plan and your prescriber’s office to find out which applies. If the plan needs evidence that you meet its prior-authorization rules, your prescriber can supply it. If the drug is not on the list or the restriction is medically inappropriate for you, ask about a formulary exception and the supporting statement it needs (CMS coverage determinations).

Medicare Observation Status vs. Inpatient Denial: Appeal

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied full coverage for your hospital stay because the hospital classified you as an observation patient (outpatient) instead of an inpatient. This is one of the most common and frustrating Medicare coverage issues.

Even if you spent multiple nights in a hospital bed, received IVs, had tests done, and were cared for by nurses around the clock, you may have technically been on “observation status” the entire time. This is not something most patients realize until they get the bill.

Medicare Says Another Insurance Should Pay First

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare’s response indicates that another insurer may be responsible before Medicare pays. First check which coverage applied to this service on the date you received it. Under Medicare Secondary Payer rules, having other insurance does not always mean that insurance pays first.

X12 reason code 22 identifies possible coverage by another payer; code 20 identifies liability-insurance coverage for an injury or illness. Ask the billing office to explain the full response, including any remark codes. These codes alone do not establish what you owe.

Medicare Says Coverage Wasn't Active on That Date

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

The payer’s records show that the coverage it checked was not active on the date you received care. First confirm the service date, your enrollment dates, and which payer should have received the claim.

X12 describes reason code 26 as expenses before coverage and code 27 as expenses after coverage ended. These codes identify a coverage-timing issue; they do not establish why the records differ or whether a correction is available.

Medicare Says This Service Is Not Covered

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare reviewed your claim and determined that the service you received is not a covered benefit. This means Medicare will not pay for it.

There is an important difference between two types of non-covered services:

Blanket exclusions: Some services are excluded from Medicare by law, such as routine dental care, most vision and hearing services, cosmetic surgery, and long-term custodial care (Medicare.gov: what’s not covered). These generally cannot be appealed. However, some exclusions now have exceptions — for example, weight-loss drugs (Wegovy, Zepbound) were previously excluded but are now covered through the Medicare GLP-1 Bridge program starting July 2026.
Situational denials: Some services are covered only in certain circumstances. For example, a service might be covered for one diagnosis but not another, or it might require specific conditions to be met. These denials may be worth appealing.

Why This Happens

The service falls under a statutory exclusion. Medicare law specifically lists certain services it does not cover, including routine dental, vision, hearing aids, and cosmetic procedures.
The diagnosis doesn’t match coverage requirements. Medicare may cover a service for certain conditions but not others. The diagnosis codes on your claim may not have triggered coverage.
The service was coded incorrectly. Sometimes a covered service is billed with the wrong code, making it appear non-covered. A billing correction could resolve this.
A newer treatment isn’t recognized yet. Medicare may not yet have a coverage determination for newer procedures or technologies.

Should You Appeal?

Appeal outlook: Mixed

Whether an appeal makes sense depends on the type of non-covered service:

When Your Other Insurance Has to Pay Before Medicare

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

Medicare denied your claim because its records show that another health plan should pay first. Under a law called the Medicare Secondary Payer (MSP) Act, Medicare does not pay as your primary insurance when you have certain other coverage.

This denial means Medicare believes another payer is responsible first. That may be a current-employment health plan or insurance covering an accident or work injury. Retiree coverage and COBRA usually pay after Medicare, except in some ESRD situations; incorrect records can make them appear primary. Having other insurance does not by itself mean it pays first.

Why Your Medicare EOB Shows a Reduction You Didn't Expect

Thu, 26 Mar 2026 00:00:00 +0000

What This Means

You may have noticed a line on your Medicare Summary Notice (MSN) or your provider’s bill showing a small reduction labeled “sequestration.” This is a 2% cut to what Medicare pays your provider or supplier. It is not a denial of your claim. Your service was still covered.

This reduction affects the provider’s payment, not your share of the costs. Your deductible, coinsurance, and copayment amounts stay the same.