Appealing Insurance Denials for Durable Medical Equipment
An initial denial of a durable medical equipment claim is not the end of the road. It feels like the end — denials arrive in formal letters with dense language and short deadlines — but a significant share of DME denials are reversed on appeal. The reversal rate isn't because the system is generous on appeal. It's because the initial review is often automated, the documentation is often incomplete, and the appeal is the first time a human reviewer actually looks at the full picture.
This article walks through what an appeal involves, what kinds of denials are most worth appealing, how to prepare one, and where to get help.
Why initial denials happen
Most DME claims are reviewed against a checklist. The supplier submits the claim, the insurance plan's system checks for required documentation — prescription, letter of medical necessity, supporting records — and approves or denies based on what's there. If anything is missing or doesn't fit cleanly into the categories the system expects, the claim gets denied.
The most common reasons:
Insufficient documentation of medical necessity
The letter of medical necessity was missing, vague, or didn't address the specific concerns the reviewer expected to see. We cover this in depth in a separate article on letters of medical necessity (see, Letters of Medical Necessity, article).
Wrong code or coding mismatch
DME is coded with specific HCPCS codes, and a mismatch between the equipment ordered, the diagnosis on the prescription, and the documentation submitted can trigger an automatic denial even when the underlying claim is reasonable.
Equipment classified as not medically necessary or as a "convenience" item
Reviewers may decide that a specific feature or upgrade isn't medically required even when it changes what the equipment can do for the patient. Seat elevators, certain cushion upgrades, specialized controls, and similar items are commonly denied this way.
Equipment exceeds usual frequency limits
Medicare and most insurance plans have replacement schedules — wheelchairs every five years, certain supplies in defined monthly amounts. Requests outside those limits often get denied unless documentation explains why.
Supplier or coverage issues
The supplier may not be in-network, may not be Medicare-enrolled for the specific equipment category, or the patient may not have the coverage the supplier assumed.
Prior authorization not obtained
Many plans require prior authorization for higher-cost equipment, and a claim submitted without it may be denied regardless of medical necessity.
Reading the denial letter carefully matters. The letter is required to state the specific reason for the denial, and that reason determines what the appeal needs to address.
What an appeal actually is
An appeal is a formal request for the insurance plan to reconsider its decision. The structure of the appeal depends on the type of coverage:
Original Medicare (Parts A and B)
The Medicare appeals process has five levels:
Redetermination by the Medicare Administrative Contractor. This is the first appeal, filed within 120 days of the denial.
Reconsideration by a Qualified Independent Contractor. Filed within 180 days of the redetermination decision.
Administrative Law Judge hearing. Available when the disputed amount meets a threshold (which adjusts annually). Filed within 60 days of the reconsideration decision.
Medicare Appeals Council review. Filed within 60 days of the ALJ decision.
Federal district court review. Available when the disputed amount meets a higher threshold.
Most DME appeals are resolved at the first two levels.
Medicare Advantage (Part C)
Has its own appeals process, typically faster than original Medicare, with internal and external review levels. The specific timeline and process are described in the plan's Evidence of Coverage document. Standard appeals generally must be decided within 30 days; expedited appeals (for situations where waiting would harm the patient's health) within 72 hours.
Medicaid
State-specific. In Montana, Medicaid denials can be appealed through a fair hearing process administered by the Department of Public Health and Human Services. The deadline to request a hearing is typically 90 days from the denial notice.
Private insurance
Each plan has its own internal appeals process, usually with two levels of internal review followed by an external review by an independent third party. The plan's member handbook or Summary of Benefits should describe the process.
The deadlines matter. Missing an appeal deadline is one of the few ways an otherwise winnable appeal becomes unwinnable.
What kinds of denials are worth appealing
Most are. Specific situations where appeal is especially likely to succeed:
Denials citing insufficient documentation when documentation exists or can be obtained
If the denial says "no documentation of inability to ambulate" and there's a physical therapy evaluation showing exactly that, the appeal becomes a straightforward submission of the missing document. These are some of the easiest appeals to win.
Denials citing "not medically necessary" for equipment that clearly addresses a documented functional limitation
If the letter of medical necessity was weak, a stronger letter at the appeal stage often produces a different outcome. This is especially true for equipment upgrades — seat elevators, custom seating, specialized cushions — where the functional purpose of the upgrade may not have been clearly explained in the original submission.
Denials based on coding or administrative errors
If the denial reflects a misunderstanding of what was prescribed or how it's intended to be used, correcting the record at the appeal stage often resolves the issue.
Denials for equipment that fits within Medicare coverage rules but was denied on a misreading of the rules
This happens. Reviewers are human, and the rules are complex. A well-organized appeal that cites the specific Medicare coverage criteria the equipment meets is hard to maintain a denial against.
Denials of replacement equipment
When a wheelchair, hospital bed, or similar item needs replacement before the standard useful lifetime, a denial often follows. An appeal supported by documentation of why the existing equipment no longer meets the patient's needs — wear that makes it unsafe, changed medical condition, custom fit that no longer fits — is often successful.
Less worth appealing, generally: denials of clearly non-covered items. If Medicare specifically excludes the equipment (ramps, stairlifts, walk-in tubs), no appeal will change that. The right path for these items is a different funding source, not an appeal.
How to prepare an appeal
A few practical steps:
Read the denial letter carefully
It should state the specific reason for the denial, the deadline to appeal, the address or method for submitting the appeal, and any forms required. Calendar the deadline immediately. If anything in the letter is unclear, call the plan's member services line and ask for clarification before assuming.
Gather documentation
The original prescription. The original letter of medical necessity. Any seating evaluations, functional evaluations, or specialist reports. Notes from the prescribing provider that document the underlying condition and its progression. If the appeal will rely on new documentation — an addendum from the provider, a new evaluation, a stronger letter — start that process early. Providers' schedules don't always accommodate fast turnaround.
Write a clear cover letter
The appeal letter doesn't have to be long. It should identify the patient, the claim, the date of denial, the reason cited for denial, and the specific arguments and documents that address that reason. Plain language is fine. Legal language isn't required.
Address the specific denial reason
If the denial cited insufficient documentation, the appeal should focus on the new or supplemental documentation being submitted. If the denial cited not-medically-necessary, the appeal should focus on the functional limitations and why the equipment addresses them. Targeting the specific reason for the denial is more effective than restating the original claim.
Submit through the channel the denial letter specifies
Some plans accept appeals by mail; others require an online portal; some require both. Following the specified process avoids procedural denials that have nothing to do with the underlying merits.
Keep copies of everything
Every document submitted, every letter received, every phone call (with date, time, and the name of the person you spoke with). If the appeal moves to higher levels, this record becomes essential.
Expedited appeals
For situations where waiting for a standard appeal would risk harm — the patient is being discharged without needed equipment, an existing piece of equipment has failed and the patient has no backup mobility, a delay would result in hospitalization — most insurance plans have an expedited appeal process.
Expedited appeals must generally be decided within 72 hours rather than the standard 30 or more days. The threshold for expedited review is that the standard process would seriously jeopardize the patient's life, health, or ability to regain maximum function. The treating provider's support helps — a letter or note stating that delay would harm the patient is often what triggers expedited review.
If you think your situation qualifies, ask for expedited review explicitly when filing the appeal. Don't assume it will be applied automatically.
When the internal appeal fails
If the plan's internal appeal process upholds the denial, additional options exist depending on the coverage type:
External review
Most private insurance plans and Medicare Advantage plans are required to offer an independent external review after internal appeals are exhausted. External reviewers are not employed by the insurance plan and provide a fresh look at the case. External review decisions are typically binding on the plan.
State insurance department complaint
State insurance regulators — for Montana, the Office of the Commissioner of Securities and Insurance (Montana Commissioner of Insurance) — accept complaints about insurance company practices and can sometimes intervene. This is generally less effective than the formal appeal process but can be useful when the appeal process itself isn't working properly.
Higher-level Medicare appeals
Original Medicare denials can be appealed through the five-level process described above. Most cases don't go past level 2, but the option exists.
Litigation
Rare for DME cases but possible in significant disputes. Attorneys who specialize in insurance coverage or Medicare appeals can advise on whether litigation is appropriate.
Reconsidering the equipment
Sometimes the right answer after a sustained denial isn't to keep appealing but to look at whether a different piece of equipment, with stronger coverage support, would serve the patient. A standard wheelchair with a third-party custom cushion may be the right path when a fully custom power wheelchair has been denied multiple times.
Where to get help
Appeals aren't designed to require a professional, but they often go better with one. Help is available from several sources:
State Health Insurance Assistance Program (SHIP)
Montana's SHIP provides free counseling for Medicare beneficiaries on coverage questions and appeals. They can help you understand the denial, prepare the appeal, and navigate the process.
Centers for Independent Living
Montana has four CILs, and several have staff who help with insurance denials and appeals as part of their independent living services. They can sometimes provide direct assistance with appeal preparation.
Hospital social workers and case managers
If the equipment is connected to a recent hospitalization or a specific provider relationship, hospital social workers and case managers can often help with appeals.
The prescribing provider
A supportive provider who is willing to write addendum letters, attend a hearing if needed, or document the case more thoroughly is the single biggest factor in whether an appeal succeeds.
Patient advocates
Some hospitals employ patient advocates whose specific role is to help with insurance disputes. Independent patient advocates also exist, though they typically charge for their services.
Attorneys
For cases involving significant dollar amounts, complex circumstances, or repeated denials, an attorney who specializes in insurance coverage or Medicare appeals can be worth the cost. The National Academy of Elder Law Attorneys (NAELA) maintains a referral directory; the Medicare Rights Center and similar national organizations can also provide referrals.
How BSILS fits
BSILS doesn't file appeals or write legal documents — that work belongs to the providers, advocates, and attorneys closest to the case. But appeals come up in BSILS inquiries often enough that we've learned to recognize them and to point people toward the right resource.
When BSILS receives a request from someone whose equipment was denied and who isn't sure what to do next, we often help them think through whether the denial is worth appealing, who locally might help with the appeal, and what donated equipment we might be able to provide in the meantime. The interim solution matters: an appeal can take 30, 60, or 90 days to resolve. The patient still needs to be able to shower, transfer, and move during that time. A donated walker, shower chair, or transport wheelchair sometimes bridges that gap.
If you've received a denial and aren't sure what to do, contact us. We can't make insurance decisions for you, but we can usually help you find the right next step.
This article provides general information about insurance appeals, durable medical equipment coverage, and Montana resources. It is not legal, medical, financial, or insurance advice for your specific situation. Appeal processes, deadlines, and rules vary by insurance plan and by state, and they change over time. For decisions about your case, please consult your insurance plan, the Montana State Health Insurance Assistance Program (SHIP), a qualified benefits advocate, or an attorney. If you are not sure where to start, contact us — we are happy to help you find the right local resource.
