Power wheelchair — group 2 denied for missing prior authorization by UnitedHealthcare?

Under UnitedHealthcare's Commercial medical policy, mobility devices including manual wheelchairs, electric wheelchairs, transfer chairs, scooters/power-operated vehicles (POV), canes, and walkers are a covered health care service when medically necessary. The policy aligns with CMS LCD L33789, which establishes that the beneficiary must have a mobility limitation that significantly impairs his/her ability to participate in one or more mobility-related activities of daily living (MRADLs) such as toileting, feeding, dressing, grooming, and bathing in customary locations in the home — a limitation that prevents the beneficiary from accomplishing an MRADL entirely, places the beneficiary at heightened risk of morbidity or mortality, or prevents completing an MRADL within a reasonable time frame ; additionally, the mobility limitation cannot be sufficiently and safely resolved by an appropriately fitted cane or walker, and the beneficiary does not have sufficient upper extremity function to self-propel an optimally-configured manual wheelchair in the home to perform MRADLs during a typical day. Use of a power wheelchair must significantly improve the beneficiary's ability to participate in MRADLs and the beneficiary will use it in the home (for severe cognitive/physical impairments, participation in MRADLs may require caregiver assistance), and the beneficiary has not expressed an unwillingness to use a power wheelchair in the home. For a Group 2 standard PWC, a Group 2 PWC (K0820, K0821, K0822, K0823, K0824, K0825, K0826, K0827, K0828, K0829) is covered if all of the coverage criteria (a)-(e) for a PWC are met and the wheelchair is appropriate for the beneficiary's weight. For a Group 2 Single Power Option PWC, all coverage criteria (a)-(e) must be met, plus the beneficiary meets coverage criteria for a power tilt or recline seating system OR requires a drive control interface other than a hand or chin-operated standard proportional joystick (examples include head control, sip and puff, switch control) , and a specialty evaluation must be performed by a licensed/certified medical professional (PT, OT, or practitioner with rehab wheelchair training) with no financial relationship with the supplier, and the wheelchair must be provided by a supplier that employs a RESNA-certified Assistive Technology Professional (ATP) with direct, in-person involvement in the wheelchair selection. DME has a reasonable useful lifetime (RUL) of 5 years , and payment is made for only one wheelchair at a time; backup chairs are denied as not reasonable and necessary.

- **Document MRADL impact in detail**: Provide a clinician note specifying which MRADLs (toileting, feeding, dressing, grooming, bathing) the patient cannot complete or completes only with heightened morbidity/mortality risk, directly mapping to the LCD L33789 definition of a qualifying mobility limitation . - **Stepwise rule-out of lesser devices**: Submit PT/OT documentation explaining why a cane, walker, and optimally-configured manual wheelchair each fail — addressing strength, endurance, ROM, coordination, pain, or upper-extremity deformity per the LCD's enumerated upper-extremity assessment factors (strength, endurance, range of motion, coordination, pain, deformity or absence of one or both upper extremities) . - **Provide compliant face-to-face and WOPD**: Attach the dated face-to-face mobility examination note and the signed Standard Written Order before delivery; cite Final Rule 1713's requirement of a face-to-face encounter and Written Order Prior to Delivery as satisfied. - **Include RESNA ATP and independent specialty evaluation**: For Group 2 Single Power Option chairs, include both the ATP credential attestation and the independent PT/OT specialty evaluation, satisfying the requirement that a licensed PT/OT with no financial relationship to the supplier perform the specialty evaluation and that a RESNA-certified ATP have direct involvement in wheelchair selection . - **Demonstrate in-home use**: Document home assessment showing adequate access between rooms and maneuvering space, and explicitly state the device will be used in the home to meet the requirement that the beneficiary's home provides adequate access and that the power wheelchair will significantly improve the beneficiary's ability to participate in MRADLs in the home . - **Justify Group 2 over Group 1**: If denied as needing only a Group 1, document the patient's weight against capacity limits or, for Single Power Option, the medical necessity of power tilt/recline (e.g., pressure ulcer risk, inability to perform a functional weight shift) or alternative drive control interface per LCD L33789 Group 2 Single Power Option criteria including need for non-standard drive control such as head control, sip and puff, or switch control . - **Replacement vs. repair**: For replacement requests, document the 5-year RUL and that the existing chair cannot be repaired or no longer meets the patient's needs, citing the 5-year reasonable useful lifetime standard and UHC's allowance for upgrades when the member's condition changes (e.g., impaired function necessitates an upgrade to a power wheelchair from a manual one) .

## Why UHC Flags Group 2 PWCs for Prior Authorization

UnitedHealthcare requires prior authorization on every K0820–K0829 HCPCS code under its Commercial and Individual Exchange Mobility Devices, Options, and Accessories medical policy, which mirrors CMS LCD L33789 and PA LCD L33793. A "prior-auth-required" denial here is almost never a coverage rejection — it is a procedural denial signaling that the supplier billed before UHC's mandatory Advance Determination of Medicare Coverage (ADMC)-equivalent prior auth was received and approved. UHC routes Group 2 PWC PA requests through OptumCare/Optum DME prior authorization (the Optum Provider Portal, not the standard medical surgical PA queue), and a request submitted to the wrong intake is administratively closed with a PA-required denial code rather than a medical-necessity determination.

## What the Policy Actually Demands

To overturn, the appeal packet must rebuild the full LCD L33789 (a)–(e) coverage record:

1. Face-to-face mobility evaluation by the ordering physician within 6 months, documenting an MRADL limitation (toileting, feeding, dressing, grooming, bathing) that a cane, walker, or optimally configured manual wheelchair cannot safely resolve. 2. Specialty evaluation by an independent PT/OT or rehab-trained practitioner with no financial relationship with the supplier (UHC will request the supplier's W-9 cross-check). 3. RESNA-certified ATP in-person involvement in chair selection — the ATP's signature and credential number must appear on the evaluation. 4. Home assessment confirming the chair fits doorways, turning radius, and surfaces in the beneficiary's customary MRADL locations. 5. Seven-element Standard Written Order (SWO) dated on or after the face-to-face, with HCPCS-specific narrative.

For a Group 2 Single Power Option (K0835–K0840), add documentation justifying tilt/recline or an alternative drive control (head, sip-and-puff, switch).

## Procedural Levers Specific to UHC

If the chair was delivered before PA was on file, do not bill DOS as the delivery date — UHC will reject as PA-required indefinitely. File a retrospective PA request through Optum within 60 days citing UHC's own Commercial Reimbursement Policy allowing retro review for DME when the clinical record predates delivery. Concurrent with the first-level appeal, invoke 29 CFR §2560.503-1(h) demanding the full claim file, the reviewer's credentials, and the internal PA criteria UHC applied — UHC must produce these within 30 days. For Medicare Advantage members, the §422.566 reconsideration window is 60 days and bypasses the Optum DME channel directly to UHC's MA appeals unit, with automatic escalation to the Maximus QIC if not overturned in 30 days.

Tactical tip: Pull UHC's current Mobility Devices policy PDF (version dated within 12 months of the DOS) and attach it as Exhibit A with the LCD criteria highlighted line-by-line against your documentation. UHC's first-level reviewers default-deny when the appeal forces them to hunt for the criteria themselves.