HCPCS code E0242 – Bath tub rail, floor base billing guide

Key takeaways

HCPCS code E0242 describes a bath tub rail that stands on a floor base, not a wall rail (E0241) or a tub-mounted transfer rail (E0246).

Original Medicare does not cover E0242, because CMS treats bath safety rails as convenience items outside the durable medical equipment benefit.

E0242 has no DMEPOS fee schedule allowance, no LCD and no Medicare coinsurance, so the patient or another plan pays the supplier’s charge.

A Medicare line for E0242 carries GY, plus GX after a voluntary ABN, and never KX.

Medicaid, Medicare Advantage and commercial plans set their own rules, so verify the benefit and any prior authorization before delivery.

HCPCS code E0242 covers a bath tub rail on a floor base

HCPCS code E0242 is the Level II code that the Centers for Medicare & Medicaid Services (CMS) assigns to a bath tub rail, floor base. The rail stands on its own base beside the tub and gives the patient a handhold for stepping in or out. It needs no wall anchors and no clamp on the tub rim.

E0242 sits in the E-section of the HCPCS Level II code set, which covers durable medical equipment. Within it, E0242 belongs to the bath and toilet aids range, E0240 to E0249. The code is active, but Original Medicare does not pay for it. Neighboring codes are listed in our HCPCS reference for suppliers.

Because Part B does not price E0242, there is no national or local Medicare rate to look up. The supplier sets its own charge, and the patient or a covering plan pays it.

What E0242 covers and what it excludes

The defining feature of E0242 is the mounting method. The rail sits on a floor base rather than attaching to the wall or clamping to the tub rim. That lets a supplier set it up in rental housing without drilling, which is why it suits patients in apartments.

Included under E0242: freestanding rail assemblies whose weight rests on the bathroom floor beside the tub. Single or dual grips and adjustable heights still fall under the code, as long as the floor carries the base.

Not included: the items below take different codes, however similar they look.

• Use E0241 instead: a rail fixed to the bathroom wall beside the tub. The descriptor is “Bath tub wall rail, each.”
• Use E0246 instead: a transfer rail that clamps to or slides over the tub rim.
• Use E0243 instead: a rail beside the toilet. The descriptor is “Toilet rail, each.”
• Use E0245 instead: a tub stool or bench placed in the tub.
• Use E0247 or E0248 instead: a transfer bench for the tub or toilet. E0248 is the heavy-duty version.
• Use E0240 instead: a bath or shower chair.
• Permanent grab bars: these are home modifications. No specific HCPCS code describes them, and Medicare does not cover them.

When an order asks for a “bathtub safety rail” without naming the mounting type, the item delivered decides the code. Billing E0242 for a wall rail, or the reverse, leaves the order and the delivery record out of step.

E0241 vs E0242 vs E0246: choosing the correct code

These three rail codes describe devices that look alike but mount differently. The correct code depends on what holds the rail in place.

The most frequent miscoding happens when a supplier delivers a floor-base rail but bills E0241 because the order says “bathtub rail.” If the order is ambiguous, ask the ordering practitioner before delivery and note the answer in the file.

Is E0242 covered by Medicare?

No, Original Medicare does not cover E0242. The CMS HCPCS file gives it coverage code M, non-covered by Medicare, and pricing indicator 00. Part B therefore has no fee schedule allowance for the rail.

The reason is the benefit category. Durable medical equipment has to be primarily medical in nature, under chapter 15, section 110.1 of the Medicare Benefit Policy Manual. NCD 280.1, the DME reference list, denies comparable bath items (bathtub seats, grab bars) as convenience items not primarily medical in nature.

So the rail is not covered because it is not DME, whatever the diagnosis or the strength of the order. That changes five things on the claim.

• No LCD: neither DME MAC has a local coverage determination for E0242. Noridian runs Jurisdictions A and D, and CGS runs B and C.
• No KX modifier: KX attests that LCD criteria are met, and no criteria exist for this code.
• No purchase or rental payment: Medicare makes no payment at delivery or over rental months.
• No 20% coinsurance: with no allowed amount, there is no Medicare split. The patient owes the supplier’s full charge unless another plan pays.
• No medical necessity appeal: no documentation turns a benefit-category denial into a paid claim.

Palmetto GBA is sometimes named as a DME MAC, but it is the Pricing, Data Analysis and Coding (PDAC) contractor. It answers coding questions and does not process E0242 claims.

The records that back up an E0242 charge

With no Medicare coverage criteria to meet, the paperwork does two jobs. It supports a claim to a plan that covers the rail, and it protects the supplier when the patient pays.

1. Written order. A signed, dated order from the treating practitioner naming the patient, the device and the prescriber’s NPI. Plans that cover the rail usually ask for one.
2. Clinical notes. Notes that describe the bathing or transfer difficulty, such as unsteadiness or weakness. Medicaid and commercial plans weigh these against their own criteria.
3. Benefit check record. The date, the plan, the call or portal reference and any prior authorization number.
4. Patient cost agreement. The patient’s written agreement to pay for the rail when no plan covers it. A voluntary ABN can serve this purpose for a Medicare patient.
5. Proof of delivery. A signed receipt showing the date, the item and the HCPCS code.

Keep these records in line with your medical billing compliance policy. The written order should name a “bath tub rail, floor base,” not just a “grab bar,” so the code and the item match.

Diagnoses that show why the patient needs a rail

No diagnosis makes Medicare pay for E0242. The codes below are examples a practitioner may document for a plan that covers bath safety items, or for the record behind a self-pay sale.

Two codes changed recently. G35 became a category in FY2026, so code multiple sclerosis to its type, such as G35.D. G20 on its own has not been billable since FY2024. Confirm current code status in the CDC ICD-10-CM tabular list before you submit.

E0242 modifiers: GY, never KX

On an Original Medicare claim, the E0242 line goes out as a non-covered item. You file it only when a secondary payer needs a Medicare denial on record before it pays.

Medicare does not require an ABN for an item outside the DME benefit, so GA and GZ do not fit E0242. Many suppliers still issue a voluntary ABN, because it puts the patient’s cost in writing. If past claims carry KX on E0242, review them with your compliance lead.

Who pays for a floor-base tub rail

Other payers can still pay for E0242, and each payer type treats it differently. The diagram below shows where the charge goes for each one, so you can set the patient’s expectations before the order ships.

Record each benefit check with the date and reference number. Using revenue cycle management workflows keeps the secondary claim and the patient invoice moving once the Medicare denial arrives.

Common mistakes that get E0242 claims denied

The denial management cycle for bath safety items follows predictable patterns. Most E0242 problems start from treating the rail as covered DME.

Appealing a benefit-category denial on medical necessity grounds will not succeed. If a line was denied for a coding error instead, correct it and resubmit, or request a redetermination within 120 days of the notice.

How to bill E0242, step by step

Billing E0242 starts with the payer check, because the payer decides whether a claim goes out at all. The seven steps below run from the delivered device to the final invoice.

1. Confirm the device and the code. Check that the rail stands on a floor base. A wall rail is E0241, and a tub-mounted rail is E0246.
2. Get a written order. Obtain a signed, dated order from the treating practitioner before delivery.
3. Identify the payer. Original Medicare will not pay. Medicare Advantage, Medicaid and commercial plans each set their own rules.
4. Verify benefits and prior authorization. For a plan that may cover the rail, confirm the benefit and request approval.
5. Agree the cost with the patient. Tell an Original Medicare patient that Medicare will not pay, and give the price in writing.
6. Deliver and document. Collect a signed delivery receipt with the date and the item delivered.
7. Submit the claim. Bill Original Medicare on the CMS-1500 or 837P with GY only when a secondary payer needs the denial. Otherwise bill the covering plan or invoice the patient.

A clean claim for E0242 matches the code to the device and the modifier to the payer.

Before you submit: a quick checklist

• The rail stands on a floor base, not the wall or the tub rim.
• A signed, dated order from the treating practitioner is on file.
• The Medicare line carries GY, plus GX after a voluntary ABN, and never KX.
• The patient has a signed cost agreement or voluntary ABN.
• A covering plan’s authorization number is on the claim.
• The delivery receipt names a floor-base bath tub rail.

How Pabau keeps E0242 claims and patient balances connected

A practice that supplies bath safety items juggles benefit checks, signed cost agreements and patient balances. When those sit in separate tools, a missing signature or an unpaid balance surfaces weeks later.

Pabau, the practice management platform we build, includes claims management software so the team can submit and track insurance claims from the patient record. Signed forms, clinical notes and invoices sit in the same record.

Checkout then closes the loop. The rail gets invoiced, the patient pays, and the balance stops sitting in an unassigned bucket.

Submit and track insurance claims in one place

Pabau helps practices submit and track insurance claims, keep signed forms with the patient record and invoice patients for items their plan does not cover.

Book a demo

Conclusion

E0242 is a reporting code with no Medicare payment behind it. The rail falls outside the DME benefit, so the Medicare line carries GY and the denial is the expected result.

That makes the payer check the step that decides who pays. Run it before the rail ships, and put the price in writing so the patient knows the cost up front.

To see how Pabau helps practices submit and track insurance claims, book a demo.

Continue your research

Getting repeated denials on DME claims? Denial codes in medical billing explains the most common CARC and RARC codes and how to respond to each.

Supplying a wall-mounted rail instead? HCPCS code E0241 covers the bath tub wall rail and how it is billed.

Supplying a rail that clamps to the tub? HCPCS code E0246 explains the transfer tub rail attachment and its modifiers.

Want to understand the 837P transaction your clearinghouse sends? 837 file format and submission guide covers the EDI standard used for electronic DME claim submission.

Frequently asked questions