The Answer Nobody Wants to Give You
This is the most-asked question in home safety, and it gets answered badly almost everywhere. Medical supply retailers say things like "Medicare may cover your shower chair with a doctor's prescription" — technically not a lie, because "may" is doing all the work, but it sends people to a supplier, through a denial, and out the far side angry and no safer.
We checked Medicare's own guidance rather than the retailers. The rule is clearer and less forgiving than the marketing suggests. Original Medicare — Part A and Part B — generally does not pay for grab bars, shower chairs, shower seats, transfer benches or raised toilet seats. Not because they do not help, and not because they are expensive. Because of where they land in a definition.
Medicare Part B pays for durable medical equipment, and Medicare.gov sets out five criteria an item must meet. It has to be durable (able to withstand repeated use), used for a medical reason, typically only useful to someone who is sick or injured, used in your home, and expected to last at least three years.
A grab bar clears four of those five without effort. It fails the third. Plenty of people with no illness or injury fit grab bars, so the item is not "typically only useful to someone who is sick or injured" — and CMS's national reference list for durable medical equipment therefore denies grab bars as a self-help device, not primarily medical in nature, citing section 1861(n) of the Social Security Act. Bathtub seats are denied on the same list as a comfort or convenience item; hygienic equipment. Bathtub lifts as a convenience item. Toilet seats as not medical equipment.
Two notes on scope before we go further. Rules change every year and Medicare Advantage benefits vary by plan, by county and by plan year, so nothing here is a promise about your coverage — verify with your own plan or by calling 1-800-MEDICARE. And this page is general information, not medical, legal or insurance advice. An occupational therapist can assess a specific bathroom and a specific person, and can document medical necessity in a way that makes every route below more likely to succeed. Medicare Part B does cover medically necessary outpatient occupational therapy when a provider certifies you need it, which is a useful thing to know: the assessment is often covered even when the equipment is not.
The Test That Decides Everything
If you understand one thing on this page, make it this: Medicare is not asking "does this item make you safer?" It is asking "is this item primarily medical in nature?" Those are different questions, and the second one is why the answers look arbitrary from the outside.
This is the part that catches people out. A doctor's prescription does not change an item's classification. If a piece of equipment fails the "primarily medical in nature" test, a prescription for it produces a denial with paperwork attached rather than a payment. That is worth knowing before you spend an afternoon at the doctor's office chasing one.
It also explains the pattern across the whole bathroom. Medicare covers the walker you use to get to the bathroom and, in the right circumstances, the commode chair. It does not cover the room itself — and home modifications sit outside the benefit entirely. Original Medicare also does not cover long-term care or custodial care, which is the category most in-home help falls into.
Item by Item: What Medicare Does With Each Thing
This is the table we wish had existed when we started. Every entry in the middle column traces to Medicare's own coverage guidance, listed in the sources at the foot of the page.
| Item | Typical Original Medicare treatment | Other routes worth trying |
|---|---|---|
| Grab bar | Not covered. Denied on CMS's national DME reference list as a self-help device, not primarily medical in nature. | Medicare Advantage supplemental benefit; Medicaid HCBS waiver; VA HISA; Area Agency on Aging; HSA or FSA |
| Shower chair / bath seat | Not covered. Bathtub seats are denied as a comfort or convenience item and hygienic equipment. | Medicare Advantage supplemental benefit; Medicaid HCBS waiver; local loan closet; HSA or FSA |
| Transfer bench | Not covered in practice — it sits in the same bath-seating category as the bathtub seat, though it is not named separately on the list. | Medicaid HCBS waiver; VA (as equipment, via the VA clinician); Area Agency on Aging loan programmes |
| Raised toilet seat | Not covered. Medicare's commodes policy article says so in as many words, and toilet seats are denied on the national list as not medical equipment. | Medicare Advantage supplemental benefit; Medicaid HCBS waiver; HSA or FSA |
| Toilet safety frame / rails | Generally not covered. Not separately listed nationally, but treated like a grab bar — a self-help device rather than medical equipment. Ask your supplier to confirm before ordering. | Medicare Advantage supplemental benefit; Medicaid HCBS waiver; HSA or FSA |
| Commode chair | Covered under Part B as DME when a provider prescribes it for home use and the person is physically incapable of using regular toilet facilities. You pay a coinsurance share after the Part B deductible. | Not needed — but bring the medical necessity documentation, and use a supplier that accepts assignment |
| Handheld shower head | Not covered. A plumbing fixture, not equipment — nowhere near the DME definition. | Medicare Advantage home modification benefit; Medicaid HCBS waiver; VA HISA as part of a bathroom alteration |
| Non-slip bath mat | Not covered. Consumable household goods are outside the benefit entirely. | Falls prevention programmes run through Area Agencies on Aging sometimes supply these free |
The One That Is Covered: Commode Chairs
Commode chairs are the genuine exception, and the reason is consistent with everything above: a bedside commode is not something a healthy person buys. Medicare.gov states plainly that Part B covers commode chairs, and that Part B covers medically necessary durable medical equipment when your provider prescribes it for use in your home.
The detail matters, though, because the underlying Medicare coverage policy is specific about when. A commode is covered where the person is physically incapable of using regular toilet facilities, in one of three situations:
- Confined to a single room.
- Confined to one level of the home and there is no toilet on that level.
- Confined to the home and there are no toilet facilities in the home at all.
There are further provisions for special configurations — heavy-duty and extra-wide models for people above a stated weight threshold, and detachable arms where that feature is needed to make a transfer possible or the person's body configuration requires the extra width.
And there is a trap worth naming, because it is where a lot of people's plan quietly falls apart. A commode chair used as a raised toilet seat by positioning it over the toilet is not covered. Medicare's commodes policy article states that a raised toilet seat is non-covered, and that a commode chair provided to be used in that way is therefore non-covered too — the supplier has to flag it as such on the claim. In other words, you cannot get a covered commode and then use it as an uncovered raised toilet seat. The clinical picture has to be the one the policy describes.
On cost: after the Part B deductible you pay a share of the Medicare-approved amount as coinsurance, and whether your supplier accepts assignment changes what you are billed. Ask any supplier two questions before you order — do you participate in Medicare, and do you accept assignment?
Why the Line Falls Where It Does
It is worth sitting with the logic for a moment, because once it clicks you can predict Medicare's answer on almost any item without looking it up.
The statute excludes items that are not primarily medical in nature, and CMS's reference list applies that exclusion with a set of recurring labels. Self-help device — an aid that helps a person do something for themselves but is not treatment. Convenience item — it makes life easier, which is not the same as medically necessary. Hygienic equipment — it supports washing, which the benefit does not reach. Grab bars get the first label, bathtub lifts the second, bathtub seats the second and third together.
Then there is the home itself. Home modifications are not durable medical equipment under any reading — a widened doorway is not equipment you can rent from a supplier and return, and a tiled walk-in shower is a building, not a device. Original Medicare also excludes long-term care and custodial care, and it excludes the homemaker services and non-skilled personal care that people often assume come attached to a home health visit.
None of that is a judgement about whether these things work. The evidence that they do is exactly why our bathroom safety checklist ranks lighting, non-slip surfaces and a seat in the shower above a renovation. It is a judgement about which benefit they belong to — and the honest read is that bathroom safety equipment mostly belongs to a benefit Medicare does not have.
Route 1: Medicare Advantage Plans
This is the most promising route for most people, and also the one most likely to be misrepresented, so read the next sentence twice. Some Medicare Advantage plans cover bathroom safety equipment or home modifications. Many do not. It varies by plan, by county and by plan year, and no article can tell you what yours does. Anyone stating flatly that "Medicare Advantage covers grab bars" is telling you something that is not true as a general statement.
Here is what is actually established. Medicare Advantage plans must cover everything Original Medicare covers, and may also offer extra benefits that Original Medicare does not — that is the structural difference, and Medicare.gov says so. Over the past several years CMS has widened what plans are permitted to offer:
- The uniformity reinterpretation. In the contract year 2019 rule, CMS reinterpreted the uniformity requirements for Part C benefits, allowing plans to offer tailored supplemental benefits and different cost sharing for enrollees meeting specific medical criteria. CMS's accompanying guidance on what counts as a "primarily health related" supplemental benefit named home and bathroom safety devices and modifications among the examples plans could offer.
- Special Supplemental Benefits for the Chronically Ill (SSBCI). A separate, narrower category for enrollees who are chronically ill. The statutory test is that the item or service must have a reasonable expectation of improving or maintaining the health or overall function of the enrollee. CMS has since tightened the evidence requirements, obliging plans to maintain bibliographies of research or data supporting each SSBCI they offer.
So the permission exists. Whether your plan uses it is a different question — and one you answer by ringing the number on the back of your card and asking, in these words: "Does my plan include a supplemental benefit for bathroom safety devices or home modifications this plan year, and what is the process to use it?" Then get the answer in writing.
Two practical notes. Plans are required to send enrollees a mid-year notice listing supplemental benefits they have not used, with instructions for accessing them — that notice, which arrives in the summer, is the single most useful piece of post your plan sends and most people bin it. And if you are shopping during open enrolment, the plan comparison tool on Medicare.gov shows extra benefits by plan for your ZIP code, which beats reading brochures.
Route 2: Medicaid Home and Community Based Services Waivers
If the person qualifies for Medicaid — either on their own or as a dual eligible alongside Medicare — this is often the strongest route available, because home modification is squarely within what these programmes are designed to fund.
Under section 1915(c) of the Social Security Act, states can run home and community based services waivers to meet the needs of people who would prefer to receive long-term care and supports at home or in their community rather than in an institution. Nearly all states and the District of Columbia operate at least one. Services commonly funded include case management, homemaker services, home health aides, personal care, adult day health, habilitation and respite — and states may propose other services that help people avoid institutional care, which is the door through which environmental accessibility adaptations and home modifications come.
Three things to understand before you get your hopes up:
- Eligibility is tied to level of care. An individual must demonstrate a need for a level of care that would meet the state's eligibility requirements for services in an institutional setting. This is not a general low-income benefit.
- States cap enrolment. A state chooses the maximum number of people served under a waiver programme, and may target specific populations. Waiting lists are common and can be long.
- What is covered varies enormously by state and by waiver. Two neighbours in different states with identical needs can get completely different answers, and that is by design.
The way in is your state Medicaid agency or your local Aging and Disability Resource Center. Ask specifically about "environmental accessibility adaptations" or "home modifications" under the waiver serving older adults — using the programme's own vocabulary gets you past the first person on the phone considerably faster.
Route 3: The VA HISA Benefit, for Veterans
If the person is a veteran, this one is badly underused and worth pursuing early.
HISA stands for Home Improvements and Structural Alterations. It is a VA benefit that provides medically necessary improvements and structural alterations to a veteran's or servicemember's primary residence — and the bathroom is explicitly within scope. The VA's own description of what it covers includes use of essential lavatory and sanitary facilities, giving roll-in showers as the example, and accessibility to kitchen or bathroom sinks or counters, such as lowering them. It also covers entrance and exit access, and plumbing or electrical improvements made necessary by installing home medical equipment.
The things that trip people up:
- It is a lifetime benefit with a dollar cap, and the cap is set at one level for service-connected disabilities (and for non-service-connected disabilities where the veteran holds a service-connected rating at or above a stated threshold) and a lower level otherwise. Your VA prosthetics office holds the current figures and your remaining balance — ask them, because the numbers are revised.
- A VA physician's prescription is required. The application package must include a prescription written or approved by a VA physician, giving the diagnosis and the medical justification for the specific improvement. This is the step that determines the outcome.
- Exclusions are real. HISA does not pay for spa, hot tub or Jacuzzi installations, exterior decking, walkways to exterior buildings, or new construction. Removable equipment and routine home maintenance are also outside it.
Start with the Prosthetic and Sensory Aids Service at the veteran's local VA medical centre. They administer it, they know the balance, and they can tell you what documentation will actually clear.
Route 4: Area Agencies on Aging and Local Programmes
This is the route almost nobody tries first, and it is frequently the fastest.
An Area Agency on Aging is a public or private non-profit agency designated by a state to address the needs of older people at regional and local level. They coordinate and offer services that help older adults remain in their homes — home-delivered meals, homemaker assistance, and, in the ACL's phrasing, whatever else it takes to make independent living viable. In practice that "whatever else" is the interesting part: many AAAs run or fund evidence-based falls prevention programmes, minor home repair and modification services, and equipment loan closets where you can borrow a shower chair or a commode rather than buy one.
The catch is that provision is entirely local. There is no national list of which county does what. So the single most useful action on this page is probably this one:
Worth asking about when you get through: falls prevention programmes, home modification or minor repair grants, durable medical equipment loan closets, and whether there is a local Aging and Disability Resource Center that handles the Medicaid waiver enquiry in the same conversation.
Route 5: HSA and FSA Funds
If there is a health savings account or a flexible spending account in the picture, this is the least bureaucratic route on the page, and the one most often overlooked because people assume "Medicare said no" settles the question. It does not — these accounts follow the tax code's definition of a medical expense, not Medicare's definition of durable medical equipment, and the tax code is more generous here.
The IRS treats certain home improvements made to accommodate a disability as medical expenses, and its published list of examples is unusually direct about bathrooms. It includes installing railings, support bars or other modifications to bathrooms, and adding handrails or grab bars anywhere in the home, whether or not in bathrooms. Widening doorways and hallways and lowering kitchen cabinets are on the same list. The governing principle is that improvements of this kind usually do not increase the value of the home, so the cost can be included in full; where an improvement does increase the property's value, only the excess of the cost over that increase counts.
Practical points. You generally cannot contribute new money to an HSA once you are enrolled in Medicare, but you can still spend an existing balance — that distinction catches people out. Keep the doctor's documentation of medical necessity with the receipts, because that is what substantiates the expense. And check with a tax professional rather than us: this is a tax question, and we are not tax advisers.
How to Actually Get It Paid For
Here is the sequence we would work through, ordered so that the step that helps every other step comes first.
- 1. Get the medical necessity documented properly. Every route on this page asks for some version of this, and a vague note does not survive review. What you want in the record is the diagnosis, the specific functional limitation in plain clinical language ("unable to transfer over the tub wall without assistance", "two falls in the past six months during toileting"), the specific item requested, and why that item addresses that limitation. Ask for it to be documented in the medical record, not just written on a pad.
- 2. Get an occupational therapy evaluation if you can. An OT can watch the actual movements in the actual bathroom, specify the right equipment and the right placement, and write the functional justification in the language reviewers expect. Medicare Part B covers medically necessary outpatient occupational therapy when a provider certifies you need it — including therapy aimed at activities of daily living — so the assessment is often payable even though the equipment is not. This is the highest-leverage step here.
- 3. Call your own plan before you buy anything. If you have Medicare Advantage, ask whether bathroom safety devices or home modifications are a supplemental benefit this plan year, what the process is, and whether you must use a designated vendor. Buying first and claiming later is how people end up with a receipt and no benefit.
- 4. Call the Eldercare Locator on 1-800-677-1116. One call, and you have the Area Agency on Aging for your county. Ask about falls prevention programmes, home modification help and equipment loan closets in the same conversation.
- 5. Check Medicaid eligibility even if you think you do not qualify. Rules differ by state, dual eligibility with Medicare is common, and HCBS waivers are where home modification money actually lives. If there is a waiting list, get on it now — the list does not get shorter while you think about it.
- 6. If the person is a veteran, contact VA prosthetics about HISA. Ask what lifetime balance remains and what the VA physician's prescription needs to say.
- 7. Use HSA or FSA funds for what is left. With the documentation from step one already in hand, this is usually the quickest way to close the gap.
- 8. If a claim is denied, read why, and appeal if the reason is wrong. A denial because an item is statutorily non-covered will not be overturned by a better letter — that is the definition talking. A denial for insufficient documentation is a different matter entirely, and insufficient documentation is one of the most common reasons DME claims fail. Medicare has a formal appeals process and your denial notice explains it. Your State Health Insurance Assistance Program offers free, unbiased counselling and can help you work through it.
If you are buying out of pocket while you wait, the three categories that matter most are ADA-style stainless grab bars (and budget for competent installation, not a longer bar), shower chairs with a back and arms, and raised toilet seats with handles. We compared these categories in our individual guides.
One Warning About Buying It Yourself
Because Medicare will not pay, a lot of grab bars get bought on price and fitted on optimism, and that is its own hazard. The rating belongs to the whole assembly, not to the bar: Section 609.8 of the 2010 ADA Standards requires that allowable stresses not be exceeded when a vertical or horizontal force of 250 pounds is applied at any point on the grab bar, the fastener, the mounting device or the supporting structure. A bar advertised at a high weight rating, fixed to tile with drywall plugs, is not a high-rated installation.
Those ADA figures govern public facilities rather than private homes, so in your house they are a well-tested benchmark rather than a legal requirement — but they are the right benchmark, and they are what our grab bar guide is built around. Suction-cup bars cannot satisfy that requirement by construction and should never be the thing a person's weight depends on.
Worth remembering when you compare quotes: a professionally installed bar that reaches structure is doing something a cheaper bar screwed into plasterboard is not doing. If the money is going to come out of your pocket either way, that is where it should go.
Frequently Asked Questions
No — Original Medicare does not pay for grab bars. CMS's national Durable Medical Equipment Reference List denies grab bars outright, describing them as a self-help device that is not primarily medical in nature under section 1861(n) of the Social Security Act. That classification, not the cost of the bar, is the reason. Some Medicare Advantage plans offer bathroom safety devices as a supplemental benefit, a Medicaid home and community based services waiver may pay for them in some states, and where a doctor documents medical necessity the cost can usually be met from an HSA or FSA. Check your own plan before you buy anything.
Generally no. CMS's reference list denies bathtub seats as a comfort or convenience item and hygienic equipment that is not primarily medical in nature, and denies bathtub lifts as a convenience item. Shower chairs and transfer benches sit in that same category, so Original Medicare almost never pays for either. The item people confuse this with is the commode chair, which Medicare Part B does cover as durable medical equipment when a provider prescribes it for use in the home and the person is physically incapable of using regular toilet facilities.
Commode chairs are the main one. Medicare.gov states plainly that Part B covers commode chairs, and that Part B covers medically necessary durable medical equipment if your provider prescribes it for use in your home. The underlying Medicare coverage policy adds that the person must be physically incapable of using regular toilet facilities — confined to a single room, confined to one level of the home with no toilet on that level, or living in a home with no toilet facilities at all. A commode positioned over the toilet to act as a raised seat is specifically not covered.
Because of how the durable medical equipment test is written, not because of what each item does for the person using it. Medicare.gov lists five criteria: the item must be durable, used for a medical reason, typically only useful to someone who is sick or injured, used in your home, and expected to last at least three years. A grab bar fails the third test, since plenty of people with no illness or injury install one, and CMS therefore classes it as a self-help device rather than medical equipment. A walker is not useful to a healthy person, so it passes.
Work down four routes in order, and get a doctor's written documentation of medical necessity first, because every one of them asks for it. Ask your Medicare Advantage plan directly whether it offers bathroom safety devices or home modifications as a supplemental benefit, since those benefits vary by plan and by year. Ask your state Medicaid agency about home and community based services waivers, which in many states pay for home accessibility adaptations. If the person is a veteran, ask their VA prosthetics office about the HISA benefit. And call the Eldercare Locator on 1-800-677-1116 to reach the Area Agency on Aging for that county, which usually knows every local falls prevention and home repair programme going.
Bottom Line
Original Medicare generally does not cover grab bars, shower chairs, transfer benches, raised toilet seats or handheld shower heads. The reason is definitional rather than financial: Medicare's durable medical equipment benefit reaches items that are primarily medical in nature, and CMS's own reference list classes these as self-help devices, convenience items or hygienic equipment. A prescription does not change that, and home modifications sit outside the benefit altogether. The commode chair is the real exception — covered under Part B when a provider prescribes it for home use and the person genuinely cannot use the regular toilet.
That is not the end of the road, though. Work the alternatives in order: ask your Medicare Advantage plan what it offers this plan year, ask your state Medicaid agency about home and community based services waivers, use the VA HISA benefit if the person is a veteran, call the Eldercare Locator on 1-800-677-1116 for your Area Agency on Aging, and spend HSA or FSA money on the rest. Get the medical necessity documented before you start, because all five routes ask for it.
And do not let the paperwork hold up the cheap things. Lighting, a clear floor, real non-slip surfaces in the tub and a seat in the shower remove a great deal of risk for very little money and need nobody's approval — our bathroom safety checklist puts them in order. This page is general information, not medical, legal or insurance advice; coverage rules change annually and Medicare Advantage benefits vary by plan, so confirm anything that matters with your own plan or 1-800-MEDICARE. An occupational therapist can assess your specific bathroom, specify the right equipment, and document medical necessity in the terms reviewers actually look for — which is worth more than any funding tip we can give you.
Sources
- Medicare.gov — Durable medical equipment (DME) coverage: the five DME criteria (durable, used for a medical reason, typically only useful to someone who is sick or injured, used in your home, expected to last at least 3 years); Part B coinsurance after the deductible; participating suppliers and assignment.
- Medicare.gov — Commode chairs coverage: Part B covers commode chairs as DME when a provider prescribes them for use in your home; rent or buy; cost sharing.
- CMS — NCD 280.1, Durable Medical Equipment Reference List: grab bars denied as a self-help device not primarily medical in nature (§1861(n)); bathtub seats denied as a comfort or convenience item and hygienic equipment; bathtub lifts denied as a convenience item; toilet seats denied as not medical equipment; commodes covered where the patient is confined to bed or room.
- CMS Medicare Learning Network — Toileting Aids compliance tips: commodes covered where a patient is bed- or room-confined and physically incapable of using regular toilet facilities; insufficient documentation as a leading cause of DME claim denials.
- CMS — Local Coverage Determination: Commodes (L33736): the three qualifying situations (confined to a single room; confined to one level with no toilet on it; confined to the home with no toilet facilities); heavy-duty and extra-wide criteria; detachable arms criteria.
- CMS — Commodes Policy Article (A52461): a raised toilet seat is non-covered, and a commode chair used as a raised toilet seat by positioning it over the toilet is therefore also non-covered; items that are not primarily medical in nature do not meet the statutory definition of DME.
- Medicare.gov — What Original Medicare doesn't cover: long-term care among the excluded items; Medicare Advantage, Cost Plans and PACE may cover extra benefits Original Medicare does not.
- Medicare.gov — Home health services coverage: home health does not pay for 24-hour care, home meal delivery, homemaker services unrelated to the care plan, or custodial and personal care where that is the only care needed.
- Medicare.gov — Occupational therapy coverage: Part B helps pay for medically necessary outpatient occupational therapy when a provider certifies you need it, including help with activities of daily living.
- Medicare.gov — Compare Original Medicare and Medicare Advantage: Medicare Advantage plans may offer extra benefits Original Medicare does not.
- CMS — Fact sheet, CY2019 Medicare Advantage and Part D final rule (CMS-4182-F): reinterpretation of the uniformity requirements for Part C benefits, permitting tailored supplemental benefits for enrollees meeting specific medical criteria.
- CMS — CY2019 guidance on uniformity requirements and primarily health related supplemental benefits (PDF): home and bathroom safety devices and modifications among the examples of supplemental benefits plans may offer; items solely or primarily for cosmetic, comfort, general use or social determinant purposes are not primarily health related.
- CMS — Fact sheet, CY2025 Medicare Advantage and Part D final rule (CMS-4205-F): Special Supplemental Benefits for the Chronically Ill must have a reasonable expectation of improving or maintaining health or overall function; plans must maintain bibliographies of supporting research; the mid-year notice of unused supplemental benefits.
- Medicaid.gov — Home & Community-Based Services 1915(c): states may develop HCBS waivers for people who prefer home or community care over an institutional setting; nearly all states and DC operate one; eligibility requires demonstrating a need for an institutional level of care; states cap the number served and may target populations.
- VA — Home Improvements and Structural Alterations (HISA): medically necessary improvements and structural alterations to a primary residence, including use of essential lavatory and sanitary facilities such as roll-in showers; a VA physician's prescription with diagnosis and medical justification is required; lifetime benefit set at different levels for service-connected and other disabilities; exclusions including spa or hot tub, exterior decking and new construction.
- ACL — Area Agencies on Aging: an AAA is a public or private non-profit agency designated by a state to address the needs of older people at regional and local level, coordinating services that help them remain at home.
- Eldercare Locator (Administration for Community Living): public service connecting older adults and caregivers to local services; 1-800-677-1116.
- IRS Publication 502 — Medical and Dental Expenses, Capital Expenses: installing railings, support bars or other modifications to bathrooms, and adding handrails or grab bars anywhere, listed as improvements that are medical expenses; such improvements usually do not increase home value, so the cost may be included in full.