HCPCS code K0815 – Power wheelchair, group 1 standard

Key takeaways

K0815 describes a group 1 standard power wheelchair with a sling or solid seat and back, for patients up to 300 pounds.

All four codes in the K0813 to K0816 family share that 300-pound cap, so seat type and portability are what separate them.

Medicare pays K0815 as a capped rental only, because the purchase option for standard power wheelchairs ended in 2011.

Prior authorization is required nationwide, and an affirmative decision has to arrive before the chair is delivered.

Practice management software like Pabau can build the claim from the patient record, check required fields, and submit it electronically.

K0815 covers one chair build, and the descriptor is exact

K0815 is an active, billable code in HCPCS Level II, the code set the Centers for Medicare and Medicaid Services maintains for supplies and equipment. It describes a group 1 standard power wheelchair with a sling or solid seat and back. The chair is not portable, and the patient weight capacity stops at 300 pounds.

Claims route to a DME MAC rather than the Part B contractor that pays physician services. Coverage rules come from a Local Coverage Determination, not from general Part B policy.

The seating description does most of the work in that descriptor. A sling seat is the hammock-style fabric seat fitted to basic power chairs. Solid seats sit on a rigid base, usually under a cushion. Both belong to K0815 on a group 1 standard chair. Fit a captain’s chair instead and the claim becomes K0816.

Seat type and portability separate the group 1 codes

Two variables split the group 1 family, and patient weight is not one of them. K0813 through K0816 all cap at the same 300 pounds. Choosing between them comes down to the seat and to whether the chair breaks down for transport.

The rule reads simply enough. A non-portable chair with a sling or solid seat is K0815. Give that same chair a captain’s chair seat and it becomes K0816. If the chair folds or breaks down for transport, the codes shift to K0813 and K0814.

Here is where it goes wrong in practice. A supplier delivers a non-portable chair with a captain’s chair seat to a 280-pound patient. The order says group 1 standard, so the biller reaches for K0815. Weight is fine, but the seat descriptor does not match, and the claim is a coding error.

Patients over 300 pounds leave the group 1 family entirely

No group 1 code covers a patient above 300 pounds. K0815 has no heavy duty variant, and none of its siblings takes over at a higher weight. A heavier patient moves the claim to group 2 heavy duty instead.

That family starts at K0824 for a sling or solid seat and K0825 for a captain’s chair, both covering 301 to 450 pounds. Above 450 pounds, K0826 and K0827 take over. Billing K0815 for a 320-pound patient is a coding error, not a rounding decision.

Medicare rents K0815 for 13 months and never buys it

Medicare pays K0815 from the DMEPOS fee schedule as a capped rental. The purchase option for standard power wheelchairs ended on January 1, 2011, under Section 3136 of the Affordable Care Act.

That change covers K0813 through K0831 and K0898. So there is no lump-sum claim to file for K0815, and no NU modifier to add.

The rental itself runs across 13 months of continuous use. Months 1 through 3 pay the full capped rental allowance. Payment then drops to 75% of that amount for months 4 through 13. Title then transfers to the beneficiary, and no further rental payment is made.

Allowed amounts come from the adjusted DMEPOS fee schedule and vary by state. Competitive bidding does not set the K0815 figure.

Power wheelchair contracts lapsed when the program paused in 2018 and 2019, and CMS left wheelchairs out of the round it revived for 2026. Pull the current quarter’s fee schedule file for your jurisdiction before quoting a number.

Hardly anyone bills a group 1 chair anymore

CMS publishes Medicare’s paid claim totals for every code, year by year. The 2024 file carries no national row for K0815 at all. K0813 drew 31 claims, K0814 drew 347, and K0816 drew 682. The group 2 standard equivalent, K0823, carried 105,391.

That pattern is worth knowing before you code, not after the denial. Almost every power wheelchair Medicare pays for sits in group 2. When a K0815 line lands on your desk, check the manufacturer’s specification sheet first. The chair on the delivery ticket may belong in a different group.

A CMS utilization file is only as complete as the codes facilities put on their claims. HCPCS code C1751 is typically packaged into the procedure’s APC payment. Hospitals report it anyway, since CMS uses that cost data to set future rates.

Prior authorization has to be affirmed before delivery

Yes, K0815 requires prior authorization. CMS added K0813 through K0816 to the required list on September 1, 2018, nationwide. The request goes to the DME MAC, and an affirmative decision has to be in hand before the chair is delivered.

Deliver first and the claim is denied. That denial is still an initial payment determination, so the standard Medicare appeal rights apply to it. The authorization decision works differently. A non-affirmed request is not an initial determination and cannot be appealed, but resubmission is unlimited.

How a K0815 authorization request moves

• Step 1, face-to-face examination: the treating physician or qualified non-physician practitioner examines the patient and documents the mobility limitation.
• Step 2, written order: the prescriber issues a detailed order naming the device, the group, the seat configuration and the weight capacity.
• Step 3, medical necessity file: the supplier assembles the examination notes, the mobility assessment, the MRADL findings and any diagnostics that support the coverage criteria.
• Step 4, submission to the DME MAC: the beneficiary’s address decides which contractor reviews the request. Noridian handles Jurisdictions A and D, and CGS handles Jurisdictions B and C for the rest of the country. A decision follows within five business days, and never later than seven calendar days. An expedited review takes two business days.
• Step 5, delivery and then the claim: once the affirmative decision arrives, the supplier schedules delivery and puts the authorization number on the claim.

A 2026 exemption now takes some suppliers out of the process

CMS opened a prior authorization exemption in 2026 under the CMS-1828-F rule. A supplier whose initial requests reach an affirmation rate of at least 90% can be exempted for a year.

Written notices went out by the first business day on or after April 2, 2026, and the first cycle began on June 1, 2026.

Exempt suppliers stop filing. A request sent during an exemption period is rejected rather than reviewed, so filing out of habit only costs time. Exemption status is set separately for each jurisdiction, and CMS pulls a 10-claim sample afterwards to confirm it was earned.

The documentation file is what a DME MAC audits

An audit of a K0815 claim is an audit of the file behind it. DME MACs look for a fixed set of records, and one missing item can take back money that has already been paid.

Power wheelchairs have stayed a CMS enforcement priority for years, so the file gets read closely.

• Face-to-face examination report: dated within six months before the order, and documenting the diagnosis, the mobility limitation and functional status.
• Detailed written order: signed by the treating clinician before delivery, naming the device type and every feature billed.
• Medical necessity narrative: explains why a manual wheelchair or a scooter will not do the job for this patient.
• MRADL assessment: records which mobility-related activities of daily living the patient cannot complete without the chair.
• Home assessment: confirms the home can be navigated safely in a power wheelchair.
• Proof of delivery: signed by the beneficiary on or after the delivery date, and held before the claim goes out.

What the LCD asks for on group 1 eligibility

Coverage criteria sit in LCD L33789, Power Mobility Devices. A beneficiary qualifies when a neurological or musculoskeletal condition limits their mobility. They must also be unable to propel a manual wheelchair safely or adequately.

At least one MRADL has to be out of reach in the home without a power chair. The home itself is assessed for safe use as well.

Capturing those findings at the point of care is what keeps the file defensible later. When the prescriber records MRADL findings in a structured template rather than free text, an auditor can match each criterion to a specific entry.

KX and RR are the two modifiers that carry the claim

Two modifiers appear on almost every K0815 line. KX states that the coverage criteria are met and the documentation is on file. RR states that the item is rented, which for K0815 is the only payment method available.

KX and RR travel together on a rental claim. GA and GY never do, because GA says an ABN is on file while GY says the item was never a Medicare benefit. Check your DME MAC’s policy article before filing, since modifier guidance is published there rather than in the LCD.

Where K0815 claims go wrong, and how to stop it

Power wheelchair claims sit near the top of every CMS audit program, and the denial reasons repeat. Five causes account for most of them. Each one has a process fix behind it rather than a clerical one.

Remittance data is what turns those patterns into a fix. Reading the denial codes across a month of submissions shows whether one reason is driving a run of rejections.

When the same code lands on 15 claims, the cause sits upstream in the workflow. Reworking those 15 claims individually clears the denials but leaves the cause in place.

Before you submit: The K0815 checklist

• Authorization number received from the DME MAC and recorded on the claim.
• Seat type and portability checked against the manufacturer’s specification sheet.
• Patient weight documented at or under 300 pounds.
• Face-to-face examination dated within six months before the written order.
• Written order signed and dated before the delivery date.
• MRADL findings and the home assessment sitting in the clinical file.
• KX and RR both present on the claim line.
• Signed proof of delivery scanned and stored.

Each line on that list is part of what a clean claim standard means for durable medical equipment. Clear all eight and a K0815 submission has very little left to trip on.

How Pabau keeps the K0815 paper trail in one place

Most of the work on a K0815 claim happens before anyone opens a claim form. The examination note, the written order, the MRADL assessment and the delivery receipt all start in different places. By the time the biller builds the claim, those pieces are spread across an inbox, a shared drive and a fax tray.

Pabau has claims management built in, so the claim is assembled from the patient record rather than typed again. Codes already attached to the service land on the charge line, and ICD-10 slots are seeded from the recorded problem list. Lookup libraries for HCPCS and ICD-10 sit behind a search icon, so a code is confirmed without leaving the form.

Required fields are checked before the send button unlocks. In the US, claims go out through Claim.MD, which also handles eligibility checks, claim status tracking and electronic remittance posting. So a denial reason arrives in the same system as the documentation behind it.

Build Medicare claims straight from the record

Pabau pre-fills claim forms from the patient record, checks the required fields before submission, and sends claims electronically. Remittances and claim status come back to the same place.

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Conclusion

K0815 is a narrow code with two hard rules attached to it. The chair has to match the descriptor exactly, and the authorization has to arrive before the wheels do. Neither one can be fixed after delivery.

So the work sits upstream. Code from the specification sheet, and hold the delivery until the affirmative decision lands. Keep the examination note, the order and the delivery receipt in one file. Suppliers who do that consistently can now earn their way out of prior authorization altogether.

Book a demo to see how Pabau keeps clinical records and Medicare claims in one system, so submissions leave the practice fully documented.

Continue your research

New to the revenue cycle behind DME claims? What is medical billing walks through the process a power wheelchair claim travels, from encounter to payment.

Checking coverage before you order equipment? Insurance eligibility verification sets out what to confirm with the payer before anything is delivered.

Worried about a post-payment audit? Medical billing compliance covers the documentation and coding standards that protect a practice when records are requested.

Seeing the same denials month after month? Denial management in healthcare explains how to work a denial queue and stop the same reason recurring.

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