CurrentAetnaPolicy 0271

Wheelchairs and Power Operated Vehicles (Scooters)

Coverage and medical necessity criteria for manual wheelchairs, power wheelchairs, power operated vehicles (scooters), wheelchair options/accessories, cushions, specialized wheelchairs, and related rental/purchase and replacement rules for Aetna members.

Policy Summary

PayerAetna

PolicyWheelchairs and Power Operated Vehicles (Scooters)

Policy CodePolicy 0271

Change TypeNo material change

Effective DateJul 16, 1998

Next Review DateMar 14, 2024

Key ActionDocument a specialty evaluation showing inability to meet mobility needs with less complex devices and include a Standard Written Order prior to claim submission.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

onemanual or power wheelchair allowed per member

>=3 monthstransient needs coverage threshold

5 yrscushion replacement interval

weight classesweight classes specified

>=250 lbsmin support weight (power seating)

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

face-to-face exam required within

Coverage Criteria

Manual Wheelchair - Initial Coverage

Manual wheelchair is medically necessary when ALL of criteria a-e are met AND either f or g is met; for specialized wheelchairs, additional type‑specific criteria apply.

Manual wheelchair basic criteria a-e: a: Member has a mobility limitation that significantly impairs one or more MRADLs (prevents completion within reasonable time, prevents accomplishment entirely, or places member at heightened risk); b: Limitation cannot be sufficiently resolved by an appropriately fitted cane or walker; c: Member’s home provides adequate access, maneuvering space, and surfaces for the manual wheelchair; d: Use of a manual wheelchair will significantly improve MRADLs and the member will use it regularly in the home; e: Member has not expressed an unwillingness to use the manual wheelchair

Additional manual wheelchair criterion: Either: f OR g must be met

Criterion f (upper extremity function): f: Member has sufficient upper extremity function and other physical/mental capabilities to safely self‑propel the optimally‑configured manual wheelchair during a typical day (assessing strength, endurance, ROM, coordination, pain, deformity, or absence of upper extremities)

Criterion g (caregiver assistance): g: Member has a caregiver who is available, willing, and able to provide assistance with the wheelchair (including propulsion or transfers) when member cannot self‑propel

Power Mobility - Basic Criteria

Power mobility devices are medically necessary when ALL basic criteria 1–3 are met plus device‑specific requirements.

Power mobility basic criteria: 1: Member has a mobility limitation that significantly impairs one or more MRADLs (prevents accomplishment, places at heightened risk, or prevents completion within reasonable time); 2: Limitation cannot be sufficiently and safely resolved by an appropriately fitted cane or walker; 3: Member does not have sufficient upper extremity function to self‑propel an optimally‑configured manual wheelchair during a typical day

Power Operated Vehicle (POV) / Scooter

A POV (scooter) is medically necessary when the basic power mobility criteria are met AND all of the following i–vi are met.

POV-specific criteria (i-vi): i: Member can safely transfer to/from a POV, operate tiller steering, and maintain postural stability/position while operating in the home; ii: Member’s mental and physical capabilities (cognition, judgment, vision) are sufficient for safe POV use; iii: Member’s home provides adequate access, maneuvering space, and surfaces for POV operation; iv: Member’s weight is ≤ weight capacity of provided POV and ≥95% of next lower weight class (device weight class appropriate to member); v: Use of POV will significantly improve MRADLs and member will use it in the home; vi: Member has not expressed unwillingness to use a POV in the home

Power Wheelchair (PWC)

A power wheelchair (PWC) is medically necessary when ALL PWC criteria are met, including device weight/capacity, home access, MRADL improvement, willingness to use, and any applicable type‑specific requirements.

PWC core criteria: 1: Member meets the basic power mobility criteria; 2: Member does not meet POV criteria (i‑iii) for a POV; 3: Either the member can safely operate the PWC OR, if unable, a caregiver is available/willing/able to safely operate the PWC because they cannot adequately propel an optimally configured manual wheelchair; 4: All of the following are met: member’s weight is ≤ device capacity and ≥95% of next lower weight class, home provides adequate access/maneuvering/surfaces, use will significantly improve MRADLs and member will use it at home, member has not expressed unwillingness to use the PWC, and any wheelchair‑type specific criteria (Group 1–5) are satisfied

PWC type‑specific requirements (examples): For Group 2/3/5 PWCs a specialty evaluation and RTS with RESNA‑certified ATP involvement may be required; Group‑specific criteria (neurologic/myopathic/congenital deformity indications, ventilator mounting, power seating systems) apply per group definitions

Power Seat Elevation System

Power seat elevation is medically necessary when criteria 1–3 are met AND criterion 4 or 5 is met.

Power seat elevation core: 1: All PWC criteria are met; 2: Specialty evaluation documents seating/positioning needs performed by a qualified LCMP (PT/OT/physician) with rehab wheelchair experience; 3: Wheelchair is provided by a supplier employing a RESNA‑certified ATP with direct in‑person involvement

Power seat elevation functional need: Either: 4: Member lacks independent transfer ability from static seat height but can stand/transfer when seat height is adjusted (stand and transfer, transfer across unequal heights, or pivot for lateral transfer) OR 5: Member is at high risk for repetitive strain injury or has limited upper extremity reach/strength/ROM/deformity/short stature preventing participation in MRADLs from static seat height

Power Tilt and/or Recline

Power tilt and/or recline are medically necessary per combination rules: tilt‑only or recline‑only require criteria 1–3 and at least one of 4–6; tilt‑and‑recline combination requires criteria 1–3 and two or more of 4–6.

Power tilt/recline core: 1: All PWC criteria are met; 2: Specialty evaluation by qualified LCMP documents seating/positioning needs; 3: Supplier employs RESNA‑certified ATP with direct involvement

Tilt‑only or Recline‑only additional needs: At least one of: member at high risk for pressure ulcer and unable to perform functional weight shift; member uses intermittent catheterization and cannot independently transfer; power seating needed to manage increased tone/spasticity

Tilt and Recline combination additional needs: Two or more of: member at high risk for pressure ulcer and unable to perform functional weight shift; member uses intermittent catheterization and cannot independently transfer; power seating needed to manage increased tone/spasticity

Push-rim Activated Power Assist Device

Push‑rim activated power assist for a manual wheelchair is medically necessary when ALL listed criteria are met.

Push‑rim activated power assist criteria: 1: Member meets basic power mobility criteria; 2: Member’s home does not provide adequate access/maneuvering/surfaces for a power mobility device; 3: Member meets ultralightweight manual wheelchair criteria; 4: Member is a full‑time wheelchair user; 5: Member has developed or is at high risk for upper extremity overuse/pain syndromes; 6: Specialty evaluation documents need performed by qualified LCMP; 7: Supplier employs RESNA‑certified ATP

Custom Power Wheelchair Base

A custom power wheelchair base is medically necessary when general PWC criteria are met and configurational needs cannot be met using standard components, cushions, or accessories on another base.

Custom PWC base criteria: 1: Member meets general PWC medical necessity criteria; 2: Specific configurational or structural needs cannot be met using cushions, seating options, accessories, or non‑customized bases (frame must be uniquely constructed or substantially modified)

Seating and cushion medical necessity

Specialized seat and back cushions are covered when the member has a medically necessary wheelchair and meets cushion‑specific criteria; replacement rules apply.

Specialized seat/back cushion coverage: Member has a medically necessary wheelchair and meets Aetna’s cushion medical necessity criteria (e.g., skin protection, positioning) documented per policy

Custom cushion documentation: A written evaluation explains why prefabricated seating is insufficient and member meets all prefabricated cushion criteria prior to custom fabrication

Replacement cushions: Replacement allowed every 5 years OR sooner if cushion is accidentally/irreparably damaged, lost/stolen, or member’s medical condition changes requiring different seating/positioning5 years

Seat/back cushion includes any integral rigid/semi‑rigid base or mounting hardware

Device rental, replacement, and duplicate device rules

Rules for device rental, replacement, and duplicate devices:

Duplicate devices: Rental or purchase of two or more mobility devices is not medically necessary for convenience unless a change in medical condition justifies a different device

Rental during repair: One month’s rental is medically necessary when a member‑owned wheelchair is being repaired; payment based on replacement device type and not to exceed rental allowance1 month

Replacement criteria: Replacement is medically necessary when needed due to change in member’s physical condition or when wheelchair is inoperative and cannot be repaired at cost less than rental/replacement; replacements generally not required more often than every 5 years

Accessory and feature criteria

Examples of accessory and feature‑specific medical necessity criteria (representative items and conditions):

Adjustable arm‑height: Member requires arm height different than available on non‑adjustable arms AND spends at least 2 hours/day in the wheelchair2 hours/day

Anti‑rollback / anti‑tip devices: Medically necessary when member self‑propels and needs the device because of ramps or safety concerns

Arm trough: Medically necessary when member has quadriplegia, hemiplegia, or requires upper extremity support to maintain positioning

Batteries: Sealed batteries are separately payable; up to two batteries at one time are medically necessary if required; non‑sealed lead acid batteries are not medically necessary; lithium battery replacement ordinarily once every 3 years

Specific chair types

Chair‑type specific coverage rules:

Rollabout/transport chairs: Medically necessary for persons who cannot self‑propel or operate a POV and have a caregiver willing/able to operate the transport/rollabout chair; only chairs with casters ≥5 inches and designed for impaired individuals are DME; accessories at initial issue not separately billable except elevating legrests for transport chairscasters >=5 inches

Pediatric‑sized wheelchairs: Manual wheelchair with seat width and/or depth ≤14 inches is pediatric‑sized; physician recommendation is required for this size<=14 inches

Tilt-in-space wheelchair

Tilt‑in‑space and other specialized wheelchair features are covered when medical necessity and supplier/evaluation conditions are met.

Tilt‑in‑space wheelchair coverage: Covered when member meets general manual wheelchair criteria AND specialty LCMP evaluation documents need AND supplied by an RTS employing a RESNA‑certified ATP with direct in‑person involvement; tilt must be ≥20 degrees to be considered tilt‑in‑spacetilt >=20 degrees

Customization and weight-capacity criteria

Customization and heavy‑duty sizing criteria:

Custom manual wheelchair base: Custom base is medically necessary when required feature is not available as an option on a manufactured base and the frame is customized for the member

Heavy/Extra heavy‑duty classification: Heavy‑duty and extra heavy‑duty wheelchairs apply when member weight capacity exceeds thresholds (heavy >250 lbs; extra heavy >300 lbs) and reinforced upholstery/features are indicated>250 lbs / >300 lbs

Rollabout, transport, and pediatric/adapted chairs

Rollabout, transport, and pediatric/adapted chairs coverage rules:

Rollabout/transport chair: Medically necessary when used in lieu of a wheelchair for persons who would otherwise qualify for a wheelchair and have a caregiver to operate it; only chairs with casters ≥5 inches designed for ill/injured individuals are covered; accessories at initial issue are not separately billable except elevating legrestscasters >=5 inches

Pediatric/specially adapted chairs: Pediatric‑sized wheelchairs (seat width/depth ≤14 inches) and specially adapted strollers/wheelchairs for non‑ambulatory children are covered when physician‑recommended and child cannot be accommodated by standard pediatric wheelchair<=14 inches

Power wheelchair non-covered indications

Power wheelchair non‑covered indications (examples):

Non‑covered PWC indications: Stair‑climbing wheelchairs (e.g., iBOT), devices to elevate a person to eye level, extend reach, or to navigate rough outdoor terrain are considered not medically necessary

Eligibility Criteria (CMS decision memorandum translated)

Eligibility criteria (translated from CMS decision memorandum) — equipment is covered when ALL of these determinations are met for an individual with a mobility deficit impairing MRADLs:

MRADL impairment: Individual has a mobility limitation causing inability to perform one or more MRADLs in the home (prevents accomplishing MRADLs, places at heightened risk, or prevents completing within reasonable time)

Co‑morbidity assessment: If co‑morbidities (eg, cognitive or vision impairment) limit ability to perform MRADLs, they must be ameliorated or compensated such that the wheelchair will materially improve MRADLs (eg, caregiver availability documented)

Safety and capability: Individual must demonstrate capability and willingness to consistently operate the device safely; history of unsafe behavior or inability may require reassessment or preclude coverage

Conservative alternatives: Functional deficit must not be sufficiently resolved by a cane or walker; appropriate trials/fitting must be documented

Manual Wheelchair Basic Package

Manual wheelchair basic package contents included with initial issue:

Manual wheelchair basic package contents: Frame, propulsion wheels, casters, brakes, sling/seat pan or seat frame able to accept cushion, sling back or back frame able to accept back cushion, standard leg/footrests, armrests, and safety accessories (basic seat belt not for positioning); typical adult seat width/depth included 15"‑19"; nonstandard widths/depths (E2201‑E2204) covered only if >20" and justified

Power Wheelchair (PWC) Basic Equipment Package

Power wheelchair basic equipment package — items included at initial issue (not separately billable unless exceptions noted):

PWC basic package contents: Includes lap/safety belt (shoulder harness may be billed separately), single‑mode battery charger, complete set of tires/casters, legrests (non‑elevating included), footrests/platform (angle adjustable exceptions by group), armrests (non‑adjustable included), weight‑specific components, seat width/depth/back width (exceptions for Group 3/4 separate billing thresholds), controller and input device (non‑expandable controller and standard proportional joystick included); expandable controllers, nonstandard joysticks, and certain seat/back sizes for Group 3/4 may be billed separately

POV Basic Equipment Package

POV basic equipment package — items included at initial issue:

POV basic package contents: Includes batteries, single‑mode battery charger, weight‑appropriate upholstery/seating, tiller steering, non‑expandable controller with proportional response, complete set of tires, and all accessories needed for safe operation (not separately billable)

Cushion definitions and required features

Cushion and back support definitions and required features determine coverage class and payment.

General use seat cushion minimum features: Planar or contoured; removable vapor‑permeable or waterproof cover; meets CA Bulletin 117/133 flame resistance; permanent manufacturer/model label; warranty providing replacement for manufacturing defects or surface failure (general use warranty ~12 months; positioning/skin protection longer)

Positioning/skin protection back cushion requirements: Contour specifications (posterior contour ≥25 mm; lateral contour ≥75 mm for certain designs); adjustable mounting hardware for posterior pelvic cushions; removable cover or waterproof surface; flame resistance; permanent label; warranty (≈18 months)

Custom fabricated cushion criteria: Individually fabricated using molded‑to‑member, direct molded, CAD‑CAM, or detailed measurements; must materially exceed prefabricated structural requirements; removable cover or waterproof surface required; foam‑in‑place fitting to substantially prefabricated cushion is NOT custom

Repair coverage criteria

Repair coverage — repairs, replacements, and maintenance coverage conditions:

Repairs medically necessary when: Repairs or placement of worn, torn, or broken existing parts/accessories are medically necessary when required to make the wheelchair serviceable and operational

Repairs covered if: Either: Aetna originally authorized and purchased the wheelchair and accessories OR supplier provides clinical documentation establishing medical necessity for a wheelchair previously authorized by another plan

Additional repair conditions: Manufacturer’s warranty expired; repairs not due to misuse/abuse; repair cost less than replacement; documentation includes age/model/purchase info, cost analysis, parts with HCPCS codes, labor time (K0739) as appropriate; repairs <$1,000 do not require prior authorization

Coding and Code Lists

HCPCS Codes - Power Wheelchair Group 2 (covered)HCPCSCovered

K0820	Power wheelchair, group 2 standard portable, sling/solid seat/back, patient weight capacity up to and including 300 pounds.
K0821	Power wheelchair, group 2 standard portable, captains chair, patient weight capacity up to and including 300 pounds.
K0822	Power wheelchair, group 2 standard, sling/solid seat/back, patient weight capacity up to and including 300 pounds.
K0823	Power wheelchair, group 2 standard, captains chair, patient weight capacity up to and including 300 pounds.
K0824	Power wheelchair, group 2 heavy duty, sling/solid seat/back, patient weight capacity 301-450 pounds.
K0825	Power wheelchair, group 2 heavy duty, captains chair, patient weight capacity 301-450 pounds.
K0826	Power wheelchair, group 2 very heavy duty, sling/solid seat/back, patient weight capacity 451-600 pounds.
K0827	Power wheelchair, group 2 very heavy duty, captains chair, patient weight capacity 451-600 pounds.
K0828	Power wheelchair, group 2 extra heavy duty, sling/solid seat/back, patient weight capacity 601 pounds or more.
K0829	Power wheelchair, group 2 extra heavy duty, captains chair, patient weight capacity 601 pounds or more.

1–10 of 12

1/2

Provider Actions and Billing Guidance

Prior Authorization

Prior Authorization & Specialty Evaluation Required

Prior authorization is required for many powered wheelchair (PWC) groups and specialized features. Submit a complete face-to-face exam and specialty evaluation documenting MRADL deficits per CMS criteria, device-specific need, and why less complex devices (cane, walker, manual wheelchair, or POV/scooter) are insufficient. Specialty evaluations must be performed by a licensed/certified medical professional (e.g., PT, OT, or physician with rehab wheelchair evaluation expertise) with no financial relationship to the supplier. Suppliers must employ a RESNA-certified Assistive Technology Professional (ATP) with direct, in-person involvement in wheelchair selection for Groups 2–5 and other specialty devices.

Face-to-face exam within 6 months of SWO required
Specialty evaluation required for ultralightweight MWCs, tilt-in-space, Group 2 single/multiple power option PWCs, any Group 3 PWC, pediatric PWCs, and power add-on devices
Supplier must employ a RESNA-certified ATP and have in-person ATP involvement for Groups 2–5

Documentation Required

Medical Necessity

Rental, Purchase, and Replacement Rules

Item	Rule
Wheelchairs: rental or purchase considered medically necessary when selection criteria are met; Aetna considers rental or, if less costly, purchase of one wheelchair at a time medically necessary.
Rental or purchase of two or more mobility devices (manual, electric, POV, rollabout, transport chair) is not medically necessary except for change in member's physical condition.

Item	Rule
Custom PWC base: not covered for short-term needs (power mobility device not medically necessary when expected duration of need is less than 3 months).

Item	Rule
Rental or purchase: rental or, if less costly, purchase of one wheelchair at a time is medically necessary when selection criteria are met; one month's rental allowed during repair.
Replacement of a wheelchair is medically necessary when needed due to change in member's physical condition or when inoperative and cannot be repaired at cost less than rental or replacement; generally not required more frequently than every 5 years.

Item	Rule
Some accessories (e.g., elevating leg rests) may be associated with capped rental bases; certain accessories are replacement-only per HCPCS descriptors.
Rollabout chair cushions: separate payment for seat/back cushions for rollabout chairs is not allowed; transport chair cushions are not medically necessary.

Item	Rule
Many PWC components and accessories (motors, gearboxes, wheels, remote joysticks, controllers, tires, etc.) are designated replacement-only per HCPCS descriptors; separate billing rules apply as noted in code descriptors.
Batteries and chargers listed with HCPCS may be separately payable; lithium battery replacement frequency guidance (see replacement intervals).

Item	Rule
Purchase: basic equipment package items for PWCs and POVs are included at initial issue and are not separately billed; components beyond the basic package (e.g., expandable controllers, nonstandard joysticks, certain sizes) may be separately billable and are treated as purchase items.
Solid support base: included in the allowance for a power wheelchair (not billed separately).

Item	Rule
Purchase: upgraded components provided in lieu of base components are billed separately and the base code should reflect the substituted/upgraded components (e.g., use base code with sling/solid seat/back when power seating provided).
Harness for upgrade to expandable controller: harness is separately billable in addition to an expandable controller both at initial issue and with complete replacement of the expandable controller.

Item	Rule
Purchase: harness (wiring, fuses, connectors, mounting hardware) is separately billable in addition to an expandable controller at initial issue and with replacement of the expandable controller.

Item	Rule
Solid support base: included in the allowance for a power wheelchair; it is not separately billable when provided as part of the power wheelchair.

Item	Rule
One month's rental of a wheelchair is considered medically necessary if a member-owned wheelchair is being repaired; payment based on the type of replacement device and must not exceed the rental allowance for the device being repaired.

Item	Rule
Suppliers are responsible for monitoring utilization of DME rental items and supplies; repairs under $1,000 do not require prior authorization; repairs $1,000 or more may require prior authorization.

Item	Rule
Rental \| Purchase \| Capped rental: Aetna considers rental or, if less costly, purchase of PWCs and POVs when selection criteria are met; referenced carrier documents may specify capped rental vs purchase rules for power mobility devices.
One month's rental allowed if member-owned device is being repaired; payment must not exceed the rental allowance for the mobility device being repaired.

Seat and back cushions — replacement interval every 5 years

Seat/back cushion replacement intervalReplacement of wheelchair seat and back cushions is considered medically necessary every 5 years unless earlier replacement is justified (accidental irreparable damage, loss/theft, or medical condition change).

Cushion includes base and mounting hardwareA seat or back cushion includes any rigid or semi-rigid base or posterior panel integral to the cushion and any mounting hardware directly attached.

Prefabricated vs custom noteCustom fabrication criteria apply when prefabricated options are insufficient; replacement interval remains every 5 years unless criteria for earlier replacement met.

Documentation and Evidence Requirements

Documentation Required

Obtain specialty LCMP evaluation documenting MRADLs, routine activities, and alternative insufficiency

Specialty evaluation by a PT/OT/physician with rehabilitation wheelchair evaluation training is required for many specialized features (ultralightweight, tilt‑in‑space, Group 3 PWCs) and must document routine activities, MRADL impact, and why alternatives are insufficient.

Specialty evaluation must document mobility limitations, home environment, MRADLs, skin integrity, cognition, and trials of recommended wheelchair (chunks 9, 148).
LCMP evaluation should describe routine activities and why prefabricated options are insufficient for ultralightweight and specialized bases (chunk 34).

Documentation Required

Require LCMP specialty evaluation and RTS supplier with RESNA‑certified ATP

Ensure the LCMP evaluation and supplier meet qualifications: an LCMP without a financial relationship to the supplier should perform the specialty evaluation and the RTS supplier must employ a RESNA‑certified ATP who participates in selection and home assessment.

LCMP should have no financial relationship with supplier and must document need and routine activities (chunks 34, 149).
RTS must employ a RESNA‑certified ATP with direct in‑person involvement and home assessment documentation (chunk 150).

Not Covered / Exclusions

Home structural modifications and permanent installations (for example, ramps, accessible showers, elevators, stairway lifts, and lowered counters or sinks) are not covered. In addition, many accessory upgrades and add-ons that serve primarily convenience, cosmetic, or leisure/recreational purposes are considered not medically necessary (examples include canopies, cup holders, color kits, dual-mode battery chargers, certain upgraded wheels and speed conversion kits). Suppliers should not bill separately for construction materials or other items that are included in the wheelchair base reimbursement; billing such items in addition to the base (for example, K0108 in addition to the manual wheelchair base) may result in denial.

Personal transportation devices such as Segway-style personal transporters and other pedestrian-on-wheels products are not covered. Converting a manual wheelchair to a joystick- or tiller-controlled power mobility device (add-on conversions) is considered not medically necessary. Battery-powered seat cushions are identified in the policy as experimental/investigational and therefore are not covered.

Blind spot sensor systems and eye-tracking control systems (for example, the Munevo DRIVE and similar eye-tracking virtual joystick solutions) are currently documented as having insufficient evidence to demonstrate safety and effectiveness for wheelchair users and to show improvement in MRADLs; therefore these technologies are not covered. These systems also have practical limitations (e.g., sunlight interference, reliance on eye motor control) that limit their demonstrated utility.

Upgrades or features provided primarily to support leisure or recreational activities, duplicate or “backup” chairs for convenience, and many convenience accessories (for example, baskets, nonessential lighting systems, USB chargers, color kits, clothing guards) are considered not medically necessary and therefore not covered. Transport/rollabout chair cushions are not separately payable as seat/back cushions in most cases; accessories included with the initial issue of rollabout/transport chairs are generally not separately billable except where explicitly allowed (e.g., elevating legrests).

Definitions

MRADLs — mobility-related activities of daily living definition and examples

Definition and examples of MRADLsMobility-related activities of daily living (MRADLs) include toileting, feeding, dressing, grooming, and bathing in customary locations in the home when these activities are significantly impaired by mobility limitations.

Eligibility impactA mobility limitation that prevents completing MRADLs, places at heightened risk, or delays completion may support DME eligibility.

DocumentationProviders must document how the member's mobility impairment affects MRADLs per CMS-derived criteria.

Optimally-configured manual wheelchair — definition

Optimally-configured manual wheelchairA manual wheelchair with appropriate wheelbase, device weight, seating options, and other nonpowered accessories configured to the member.

Clinical step progression

Replacement Intervals and Warranty

Background

Wheelchairs and power mobility devices are durable medical equipment intended to address a personal mobility deficit that materially impairs performance of one or more mobility-related activities of daily living (MRADLs) in the home (examples: toileting, feeding, dressing, grooming, bathing). Coverage requires documentation that less complex alternatives (cane, walker, or an optimally-configured manual wheelchair) cannot safely and adequately restore function, that the home environment supports safe device use, and that device use will significantly improve MRADLs. For power mobility specifically, a member must lack sufficient upper extremity function to self-propel an optimally-configured manual wheelchair and be able to safely operate the selected device (or have a caregiver who can operate it when appropriate).

Revision History

2023-10-25policy_reviewLatest

Last policy review performed on 10/25/2023.

1998-07-16effective_date

Policy originally became effective on 07/16/1998.

2024-03-14next_review_scheduled

Next scheduled policy review is 03/14/2024.

Policy Summary

PayerAetna

PolicyWheelchairs and Power Operated Vehicles (Scooters)

Policy CodePolicy 0271

Change TypeNo material change

Effective DateJul 16, 1998

Next Review DateMar 14, 2024

Key ActionDocument a specialty evaluation showing inability to meet mobility needs with less complex devices and include a Standard Written Order prior to claim submission.

SourceLink

On This Page

Headrest: Medically necessary when member meets criteria for reclining/tilt seating systems

Lap tray: Medically necessary when used to provide trunk support; work trays and cutout tables not medically necessary

Lateral positioning components: Medically necessary to provide lateral thigh/knee or trunk/hip support; certain mounting hardware may be billed additionally with restrictions

Manual fully reclining back: Medically necessary when member at high risk for pressure ulcer and unable to perform weight shift OR uses intermittent catheterization and cannot transfer independently

Power add‑ons to manual wheelchairs: Medically necessary when member meets criteria for a POV (scooter) or equivalent powered mobility needs

Skin protection/positioning cushions: Prefabricated skin protection or positioning cushions are medically necessary for history of pressure ulcer, impaired sensation, inability to weight shift, or significant postural asymmetry due to qualifying diagnoses

Powered wheelchair seat cushion: Considered experimental/investigational and not covered

Reinforced upholstery for heavy/extra heavy duty: Required with power wheelchair base when member weight over 200 lbs; heavy/extra heavy duty classifications addressed separately>200 lbs (reinforced); >250 / >300 for heavy/extra heavy duty

Environmental support: Home environment must provide adequate access, maneuvering space, and surfaces for device operation

Device‑specific ability: Device‑specific requirements: for manual wheelchair adequate upper extremity function to propel; for POV adequate trunk/upper extremity strength and stability; for PWC need for powered features to perform MRADLs

Adjustable cushion definition:

Adjustability pertains to skin protection function and must be achievable by member or caregiver using items supplied at initial issue (eg, addition/removal of fluid packets) — cushions considered adjustable up to point of delivery

Supplier and Evaluation Requirements

Suppliers and evaluators must meet qualification requirements. The specialty evaluator (PT/OT/physician) may not have a financial relationship with the supplier. Supplier-produced records (even if signed by the ordering physician) and attestation letters are not considered part of the medical record. RTS/RESNA-ATP involvement is required for many specialty items (ultralightweight, specialized bases, PWCs Groups 2–5).

LCMP (PT/OT/physician) evaluation must document medical necessity and be included in medical record
Supplier must employ a RESNA-certified ATP who participates in selection and fitting
Do not rely solely on supplier-produced records or templates without corroborating medical record documentation

Prior Authorization

Prior Authorization Must Demonstrate CMS/Medicare Criteria

CMS criteria must be demonstrated for eligibility — document MRADL deficits, inability to safely and sufficiently use cane/walker or manual wheelchair, home environment suitability, safety, cognition, vision, caregiver availability, and any ameliorating measures. Prior authorization reviews reference applicable LCDs/carrier policies — include documentation that maps to CMS/Medicare eligibility criteria.

Document MRADL limitations per CMS decision memorandum
Address comorbidities that could prevent effective use and whether they can be ameliorated
Cite and conform to relevant carrier LCDs for prior authorization

Billing Rule

Separate-Billable PWC Components

Certain PWC components may be billed separately from the base when they exceed the basic equipment package or are nonstandard: expandable controllers, nonstandard joysticks (nonproportional, mini/compact), harnesses for expandable controllers, elevating legrests, adjustable armrests, and specified oversized seat/back dimensions for Group 3/4 PWCs. Document the medical necessity for each upgraded or separately billed component.

Expandable controller and harness are separately billable
Nonstandard joysticks (nonproportional, mini, compact, short-throw) may be billed separately
Elevating legrests and adjustable height armrests may be billed separately when appropriate
Seat/back widths/depths above listed thresholds for Group 3/4 PWCs may be billed separately

Documentation Required

Device Performance and Testing Requirements

Devices must meet group-specific dimensional, performance, and testing requirements. All PWCs and POVs must include the basic equipment package and satisfy fatigue and drop testing and other group performance metrics. Provide documentation that the device meets required standards and testing when requesting coverage for a specific group or upgraded capability.

POVs: fatigue test 200,000 cycles; drop test 6,666 cycles; group-specific speed, range, width, length, incline, and obstacle climb metrics
PWCs: fatigue test 200,000 cycles; drop test 6,666 cycles; group-specific performance and component requirements
Document device group and evidence of meeting testing/performance requirements for coding/coverage

Prior Authorization

Authorization for Interfaces and Controllers

Interfaces and controllers (joysticks, sip-and-puff, head control, proportional and non-proportional devices) are considered medically necessary when justified by the member’s condition and properly documented. Include specialty evaluation findings that support need for a nonstandard or alternative control interface and document controller type and capabilities.

Proportional and non-proportional interfaces are allowable when medically necessary
Expandable controllers must be justified when used to support additional input devices or power seating actuators
Include evaluator rationale for specific input device and controller selection

Documentation Required

Coding and Verification for Custom Cushions

Custom cushions billed as E2609/E2617 (and related codes) require coding verification and a documented rationale demonstrating why prefabricated cushions are insufficient. Provide a written evaluation explaining the insufficiency of prefabricated systems and include cushion fabrication method, materials, warranty, labeling, and PDAC/PDAC CVR verification when applicable.

Written evaluation must explain why prefabricated cushions cannot meet needs
Document fabrication technique (molded-to-member, CAD-CAM, foam block, liquid foam) and that the cushion materially exceeds prefabricated positioning criteria
Brand-name cushions billed to E2609/E2617 require PDAC coding verification review (CVR) documentation
Foam-in-place fitting of a prefabricated cushion is considered prefabricated, not custom

Prior Authorization

Pre-Authorization for Modifications and Repairs

Pre-authorization is required for modifications and adding accessories to an existing wheelchair. Submit medical necessity documentation for each accessory or modification. Repairs under $1,000 generally do not require prior authorization but replacements and some modifications do.

Modifications and accessory additions require pre-authorization with medical justification
Repairs < $1,000: no prior authorization required (per CMS)
Replacements: generally not more frequent than every five years and require documentation of changed physical condition or irreparable device

Note

Consult Carrier LCDs for Prior Authorization

Consult applicable Medicare LCDs and carrier policies for prior authorization and coverage rules. Documentation and decisions may be influenced by specific carrier LCDs referenced in the Background and References sections.

Refer to relevant LCDs (e.g., power mobility devices, wheelchair options/accessories, seating) when preparing prior authorization documentation
Failure to meet referenced LCDs may result in denial

Denial Risk

Manual Wheelchair Denial Triggers

Manual wheelchair requests can be denied if criteria are unmet: insufficient MRADL impairment, adequate resolution with cane/walker, unsuitable home environment, unwillingness or inability to use device, or if device is only indicated for outdoor use. Document trials of simpler mobility devices and explain why less complex alternatives were insufficient.

Document trial and insufficiency of cane/walker before manual wheelchair provision
Document home access and regular in-home use
Denial risks: unwillingness to use, insufficient MRADL impairment, only outdoor need

Denial Risk

Power Mobility Denial Triggers

Power mobility requests may be denied when basic power mobility criteria or device-specific criteria are not met (e.g., inability to safely operate POV and no caregiver to operate PWC, failure to document need for specialized features, lack of specialty evaluation, or lack of qualified supplier/ATP). Document MRADL deficits, safety, cognitive and physical capability, and caregiver availability where applicable.

Denial risks include failure to show inability to safely use manual wheelchair or POV, lack of specialty evaluation, and absence of supplier ATP involvement
Group-specific denials when Group 2–5 criteria (including specialty evaluation and ATP) are not met

Billing Rule

Cushion Payment Restrictions & Prefab-First Consideration

Cushion payment restrictions: separate payment is not allowed for wheel cushions used with rollabout chairs and transport chair cushions are considered not medically necessary. Prefabricated-first approach applies — attempt prefabricated cushions before custom fabrication and document the trial and insufficiency.

No separate payment for rollabout chair seat/back cushions
Transport chair cushions considered not medically necessary
Prefabricated cushions should be trialed before custom cushions are requested; document trial and outcomes

Denial Risk

Stair-Climbing Wheelchairs Not Covered

Stair-climbing wheelchairs (e.g., iBOT) and devices intended to climb stairs or elevate to eye level are considered not medically necessary. Inability to climb stairs is not an accepted indication for an electric or powered wheelchair.

iBOT and similar stair-climbing systems: not medically necessary
Power wheelchairs are not covered for elevation to eye level or to extend reach

Denial Risk

Denial Risk: Uncompensated Comorbidity & Non-Compliance

Denial risks when comorbidities or non-compliance prevent effective wheelchair use: If co-morbid conditions prevent the member from using the device or substantive non-compliance with treatment prevents benefit, coverage may be denied. Document how comorbidities are or are not ameliorated and whether caregiving compensations exist.

If comorbidities cannot be ameliorated such that MRADLs improve with equipment, deny coverage
Substantive non-compliance with treatment that prevents device use may be grounds for denial

Billing Rule

Duplicate Billing for Construction Materials Prohibited

Do not duplicate bill construction materials: HCPCS K0108 must not be billed in addition to manual wheelchair base codes (K0001–K0009) for construction materials or a heavy duty package reflecting material type. The basic package payment includes standard construction costs for listed manual wheelchair base codes.

Do not bill K0108 with manual wheelchair base codes K0001–K0009
Construction material and heavy-duty package are included in base allowance for listed codes

Documentation Required

Device Standards, Testing, and Basic Package Compliance

Devices that lack required basic equipment or fail fatigue/drop tests or other group standards may be non-covered. Include manufacturer/test documentation when claiming compliance with fatigue/drop testing and group performance specifications.

Devices must include all basic package components for the claimed code/group
Provide evidence of device testing (fatigue, drop) and group performance where required

Denial Risk

Cushion Specification Noncompliance

Prefabricated cushion specification noncompliance (performance, labeling, warranty, flame resistance) will fail prefabricated cushion standards. Custom cushion requests must show that prefabricated options do not meet performance criteria and include required documentation (labels, warranty, materials, testing).

Prefabricated cushions must meet minimum performance tests, have removable/waterproof cover, meet flame resistance standards, have permanent label and 12-month warranty
Failure to meet these specs disqualifies a cushion as an acceptable prefabricated option

Billing Rule

Coding/Classification Risk for Foam-in-Place Cushions

Foam-in-place or other fitting of a substantially prefabricated cushion to an individual is considered a prefabricated cushion for coding/classification purposes, not a custom fabricated cushion. Billers must apply appropriate HCPCS coding and justification accordingly.

Foam-in-place fitting of a prefabricated cushion = prefabricated classification
Do not bill as custom fabricated (E2609/E2617) when only foam-in-place is used

Denial Risk

Denial Risk Conditions for Repairs/Modifications

Denials may result when repairs/modifications are not cost-effective compared with replacement, exceed frequency rules, or when the device does not meet coverage criteria. Provide repair vs. replacement cost analysis, device age/model, purchase history, and justification to avoid denial.

Include repair cost vs. replacement analysis and device details with repair requests
Frequent or extensive repairs suggesting inability to safely operate device may trigger denial or replacement consideration

Documentation Required

Documentation-Linked Denials — What to Submit

Documentation-linked denials: Failure to submit required documentation (SWO, face-to-face exam, specialty evaluation, supplier ATP involvement, PDAC/CVR when applicable, device testing/certification, and detailed justification for options/upgrades) may lead to denial or coding reclassification. Supplier-produced templates and attestation letters require corroboration in the medical record.

SWO required prior to claim submission for items billed in addition to wheelchair base; treating practitioner must review/sign if prepared by others
Face-to-face exam, specialty evaluation, and documentation of trials of simpler devices required for many PWCs and cushions
Supplier-produced records and attestation letters are not sufficient without corroborating medical record documentation

Documentation Required

Specialty Evaluation, ATP Involvement, Pediatric & MRADL Documentation

Specialty evaluation and supplier ATP involvement: specialty evaluators must document detailed reasons for each specific option/accessory and demonstrate trials of recommended wheelchairs and why less complex devices were inadequate. Pediatric wheelchair documentation must include expected growth and appropriate pediatric seating trials; document MRADL deficits per CMS criteria and describe basic package inclusions and any nonstandard dimensions.

Specialty evaluation must explain need for each option/accessory and why prefabricated options are insufficient
Document trials of recommended wheelchair and why cane/walker/manual wheelchair/POV were insufficient
Pediatric documentation: show expected growth, pediatric seating needs, and that pediatric seating systems billed only with pediatric bases
Document basic package inclusions and justify billing of upgraded components or nonstandard dimensions

Seat/back cushions and many mobility devices — replacement every 5 years

Typical replacement intervalSeat/back cushions and many mobility devices are generally replaced every 5 years unless earlier replacement is clinically required (damage, loss, or medical change).

Wheelchair replacement frequencyReplacements of wheelchairs are generally not required more frequently than every five years.

Rental during repairOne month's rental of a wheelchair is medically necessary if a member-owned wheelchair is being repaired; replacement interval guidance applies to purchased devices.

Lithium batteries for power wheelchairs — 3 years replacement guidance

Lithium battery replacement guidanceUsual maximum medically necessary frequency of replacement for a lithium-based power wheelchair battery is once every 3 years.

Battery codingLithium-based batteries are HCPCS-coded separately (e.g., E2397) when applicable.

Non-sealed lead acid batteriesNon-sealed lead acid batteries are considered not medically necessary.

Tires, batteries, upholstery, cushion covers — replacement as needed (no fixed interval specified)

Replacement as neededTires, batteries (non-lithium specifics), upholstery, and cushion covers are replaced as needed; no fixed interval is specified for these items in the policy.

Replacement-only componentsMany tires and wheel components are described as 'replacement only' in HCPCS descriptors (e.g., foam-filled and solid tires codes).

Supplier documentationReplacement claims should be supported by documentation of wear, damage, or medical need per HCPCS requirements.

Power wheelchair components and many accessories — replacement-only language per HCPCS descriptors

Replacement-only language for many accessoriesPower wheelchair components and many accessories are described with 'replacement only' language in HCPCS descriptors; initial issue separate billing is restricted.

ExamplesControllers, drive motors, wheels, and tires often have HCPCS descriptors indicating replacement-only billing when used as repairs or replacements.

Billing implicationSuppliers should follow HCPCS descriptors and documentation requirements when submitting replacement claims for accessories/components.

cushions — warranty-based replacement (general use: 12 months; skin protection/positioning: 18 months)

Cushion warranty replacement intervalsPrefabricated cushion warranties typically require repair or full replacement for manufacturing defects: general use cushions — 12 months; positioning/skin protection cushions — 18 months.

Labeling and cover requirementsCushions must have a permanent model/manufacturer label and removable vapor-permeable or waterproof cover; meet California Bulletin flame resistance standards.

Performance testingPrefabricated cushions must meet simulation or human subject performance thresholds and fatigue testing per definitions.

Prefabricated cushions / positioning cushions — warranty intervals 12–18 months

Prefabricated cushion warranty rangePrefabricated cushions: some general use cushions warrantied for 12 months; positioning/skin protection cushions warrantied for 18 months.

Performance and cover standardsCushions must meet flame resistance standards, have removable covers, permanent labels, and meet the stated warranty periods.

Adjustable cushionsAdjustable skin protection/positioning cushions are considered adjustable if adjustment by member/caregiver is possible using items supplied at issue.

Wheelchairs (manual or electric) — generally not required more frequently than every 5 years

Wheelchair replacement frequencyReplacements of manual or electric wheelchairs are generally not required more frequently than every 5 years unless medical condition changes or device is inoperative and cannot be repaired.

Repairs vs replacementRepair charges must be less than estimated rental or replacement; replacement is considered when repair is not cost effective or device is inoperative.

Convenience exclusionsReplacement for appearance, convenience, or comfort is not medically necessary.

Documentation Required

Obtain specific LCMP and RTS/ATP documentation for tilt‑in‑space, pediatric, and transport chair cases

For tilt‑in‑space, ultralightweight, pediatric, or transport chair requests, obtain LCMP specialty evaluation specifying need for the feature, RTS/ATP involvement, pediatric physician recommendation when seat ≤14", and evidence caregiver can operate transport chairs when applicable.

Tilt‑in‑space requires LCMP specialty evaluation and RTS with RESNA‑ATP; tilt defined as ≥20° (chunk 36).
Pediatric wheelchairs (seat width/depth ≤14") require physician recommendation (chunk 37).
Rollabout/transport chairs require documentation that caregiver is willing/able to operate the device (chunk 37).

Documentation Required

Document MRADL deficit, device capability/safety, and insufficiency of less intensive devices

Documentation must demonstrate a personal mobility deficit per CMS criteria, device‑specific capability and safety (ability to operate/transfer), and that less intensive devices (cane/walker/manual wheelchair/POV) are insufficient.

Document MRADL impairment, co‑morbidity assessment, ability/willingness to operate device, and environmental adequacy per CMS decision memorandum (chunks 63–65).
Specialty evaluation must explain why alternatives cannot meet needs (chunk 148).

Billing Rule

Record included basic package items and justify nonstandard dimensions when billing separately

When separately billing nonstandard sizes or components, include a list of basic package items supplied and justify each nonstandard dimension or separately billed item with clinical measurements and rationale.

Document device group, basic package inclusions, and list of any nonstandard dimensions when billing separately (chunks 80, 82).
POV/PWC basic packages and included items are described; exceptions for separate billing are listed and must be justified (chunks 82–84).

Documentation Required

Supply device group classification, test results, label photo, and warranty info

Provide proof that the PWC/POV model meets group classification and has passed required fatigue and drop tests, and include model/manufacturer label photo and warranty documentation when requested.

Document PWC/POV group classification and compliance with fatigue (200,000) and drop (6,666) testing (chunk 103).
Supply model/manufacturer label photo and warranty evidence as requested (chunks 129, 154).

Documentation Required

Provide cushion performance test evidence, labeling photo, and warranty documentation

Cushion vendors must supply evidence of meeting simulation or human subject performance thresholds, documentation of flame resistance, permanent labeling/photo of model label, and specified warranty periods to support payment/classification.

General use and positioning cushions must meet simulation/human subject thresholds and fatigue testing and have removable covers and specified warranty durations (chunks 121, 124, 127).
Provide manufacturer specifications, test reports, and permanent model/manufacturer labeling to support claims (chunks 121, 127).

Documentation Required

Attach detailed product and fabrication documentation with custom cushion claims

Include detailed product and fabrication documentation for custom or specialty cushions (materials, fabrication method, contour measurements, mounting hardware) with claims for classification and payment.

Custom cushion claims must include fabrication method (molded‑to‑member, CAD‑CAM, direct molded), materials, contour measurements, and removable cover type (chunks 128, 126, 127).
Prefabricated components incorporated into custom cushions must not be billed separately (chunk 128).

Documentation Required

Provide SWO, FTF exam, specialty evaluation, and supplier/ATP documentation as required

Ensure a Standard Written Order (SWO) is obtained prior to claim submission for accessories and supplies, a face‑to‑face exam is performed within 6 months, specialty evaluation completed as required, and supplier/ATP documentation (including home assessment) included.

SWO required prior to claim submission for accessories/options; SWO is not part of medical record—clinical justification must be in the medical record (chunk 147).
FTF exam within 6 months must address mobility limitation and why alternatives insufficient (chunk 148).
Supplier/ATP must perform home assessment and document accessibility (chunk 150).

Note

Follow documentation requirements in the cited Medicare LCDs and carrier policies

When requesting coverage, follow the documentation requirements and medical necessity criteria outlined in the cited Medicare LCDs and carrier policy articles (NHIC, Noridian, Palmetto, TriCenturion) referenced in the policy.

Referenced LCDs/policy articles contain carrier‑specific documentation expectations for power mobility devices, seating, and accessories (chunk 165).
Providers should follow those documents when submitting prior authorization or claims (chunk 163).

Providers should document trials of cane/walker and optimally-configured manual wheelchair before approving power mobility devices.

Inclusion in basic packageBasic package items (seat frame able to accept cushions, standard leg/footrests, armrests) are included with the manual wheelchair base.

Lightweight wheelchair — weight and capacity definition

Lightweight wheelchair definitionA wheelchair weighing 30–36 pounds with weight capacity 250 pounds or less.

Ultralightweight wheelchair definitionUltralightweight wheelchair weighs less than 30 pounds, has adjustable rear axle position, and lifetime warranty on side frames and crossbraces.

Clinical criteriaUltralightweight wheelchairs typically require specialty evaluation and RTS/ATP involvement when medically necessary.

Ultralightweight wheelchair — definition and features

Ultralightweight featuresWeighs less than 30 pounds; adjustable rear axle position; lifetime warranty on side frames and crossbraces; specific clinical and supplier criteria apply.

User criteriaMember must typically be a full-time manual wheelchair user and require individualized fitting not possible with standard bases.

Supplier/evaluationRTS with RESNA-certified ATP involvement and specialty evaluation are required for many ultralight configurations.

Custom manual wheelchair base — definition

Custom manual wheelchair baseA base uniquely constructed or substantially modified for a specific member; frame customization is required for classification as custom.

Medical necessityCustom bases are medically necessary when configurational needs cannot be met using cushions/options on an existing base.

Short-term exclusionCustom bases are rarely considered medically necessary if expected need is less than three months (e.g., post-op recovery).

Adult tilt-in-space wheelchair — tilt >=20 degrees definition

Adult tilt-in-space wheelchairAbility to tilt the frame ≥20 degrees from horizontal while maintaining the same back-to-seat angle; chairs <20° tilt are not considered tilt-in-space.

Supplier/evaluation requirementSpecialty evaluation by LCMP and RTS employing a RESNA-certified ATP required for provision of tilt-in-space wheelchairs.

Warranty noteTilt-in-space wheelchairs may include lifetime warranty provisions on side frames and crossbraces depending on classification.

Pediatric-sized wheelchair — seat width/depth <=14 inches definition

Pediatric-sized wheelchairDefined as a manual wheelchair with seat width and/or depth of 14 inches or less; physician recommendation required for this size.

Billing notePediatric seating systems must be billed with pediatric wheelchair bases.

Special adaptationSpecially adapted strollers or wheelchairs for children covered when child is non-ambulatory and needs more support or is too small for standard children's wheelchair.

Power Mobility Device (PMD) / Power Wheelchair / POV — definitions

Power Mobility Device (PMD)Includes both integral frame and modular construction type power wheelchairs (PWCs) and power operated vehicles (POVs).

Power Wheelchair (PWC)Battery-powered chair-like mobility device with integrated or modular seating, electronic steering, and four or more wheels for persons with difficulty walking.

Power Operated Vehicle (POV)Battery-powered chair-like device with integrated seating and tiller steering, three- or four-wheel construction, intended for users with sufficient trunk and upper extremity function.

Member Weight Capacity — classification by capacity groups

Member Weight Capacity classificationDevices are coded into groups based on member weight capacity range (e.g., Group 3 = 301–450 lb); device must have weight capacity within the group range.

Coding implicationA device with 400 lb capacity is coded as Heavy Duty (Group 3) even if not required to carry full listed weight.

Group examplesGroup 5 pediatric example capacities (up to 125 lb) and Group 3 example (301–450 lb) noted in policy definitions.

Performance Testing / Test Standards / Crash Testing — RESNA/ANSI/WC-19 references

Test standards referencedRESNA-based performance and durability tests and ANSI/RESNA acceptance criteria; crash testing refers to successful completion of WC-19 testing.

Performance testing elementsTesting includes fatigue, drop, range, top speed, obstacle climb, dynamic stability incline, and radius pivot turn per group specifications.

Documentation requirementProviders/suppliers should document device compliance with group-specific testing and standards when submitting claims.

Device performance attributes — top speed, range, obstacle climb, dynamic stability described

Top speed and rangeDevice performance attributes include top end speed (varies by group) and range (distance per charge), important for group classification.

Obstacle climb and stabilityObstacle climb height and dynamic stability incline are specified per group and affect device suitability.

Clinical relevanceSelection should consider top speed, range, obstacle climb, and dynamic stability relative to member's MRADLs and environment.

Basic Equipment Package — items included with initial issue for manual wheelchairs, PWCs, POVs

Manual wheelchair basic package included itemsComplete frame, propulsion wheels, casters, brakes, seat capable of accepting cushion, back able to accept back cushion, standard leg/footrests, armrests, and safety accessories are included with initial issue.

PWC basic equipment packageIncludes lap/safety belt, single mode battery charger, complete set of tires/casters, legrests (non-elevating included), armrests (non-adjustable included), controller and input device (non-expandable/standard joystick included).

Billing implicationItems listed in basic equipment packages are not separately billable at initial issue unless exceptions are specifically noted.

Actuator — definition for power seating actuator

Actuator definitionA motor that operates a specific function of a power seating system (e.g., tilt, back recline, power sliding back, elevating legrest(s), seat elevation, standing).

Power seating actuator roleActuators provide the mechanical movement for tilt/recline/elevation and are controlled by independent switch interfaces.

Clinical relevanceActuator capability and the number required influence controller type (expandable vs non-expandable) and medical necessity justification.

Proportional Control Input Device — definition

Proportional control input deviceTransforms a user's drive command into corresponding movement in direction and speed, allowing non-discrete directional and speed control (e.g., joystick).

Use casesProportional interfaces preferred when fine directional and speed control is required; choice depends on member's motor control and ability.

Controller compatibilityCertain proportional alternatives (mini/compact) require expandable controllers; standard proportional devices can be used with non-expandable controllers in some groups.

Non-Proportional Control Input Device — definition

Non-proportional control input deviceTransforms a user's discrete drive command (switch activation) into perceptually discrete changes in speed or direction (e.g., sip-and-puff).

Clinical useUsed when proportional control is not possible; selection must be justified by specialty evaluation.

IntegrationNon-proportional devices are accommodated by expandable controllers and specific interfaces as clinically required.

Alternative Control Device — examples and definition

Alternative control device examplesIncludes mini-proportional, short-throw joysticks, head arrays, sip-and-puff, and smart glass/head control (e.g., Munevo DRIVE).

Clinical selectionAlternative control devices require clinical justification and may require expandable controllers or specialized interfaces.

Evidence noteSome alternative interfaces (eye-tracking, Munevo DRIVE) have limited evidence and may have usage restrictions; selection should be individualized.

Controller types — non-expandable/expandable/integral/remotely placed controller definitions

Controller types summaryController types include non-expandable, expandable, integral (joystick+controller in one box), and remotely placed controllers (joystick separate from controller box).

Expandable controller capabilityExpandable controllers can accommodate additional proportional/non-proportional inputs, operate 3+ powered seating actuators, and support displays/other devices.

Harness billingA harness (wiring/fasteners) is separately billable in addition to an expandable controller at initial issue and replacement.

Seat types — sling, solid, captain's, stadium seat/back definitions

Seat types definedSeat types include sling seat/back (flexible, not for positioning), solid seat/back (rigid support), captain's chair (automotive-style cushioned seat), and stadium seat definitions.

Billing implicationSeat type influences base code selection and whether certain seating systems or cushions are separately billable.

Clinical implicationSolid seats are required for many power seating systems; sling seats accept cushions but may limit some power seating attachments.

Highway Use — definition for devices configured to operate on public streets

Highway Use definitionDevices configured and powered to operate legally on public streets are considered highway use.

Coverage limitationDevices configured for highway use may have different safety and regulatory considerations affecting coverage and suitability for home MRADLs.

Device selection noteHome/community mobility needs are primary coverage focus; highway-capable modifications are typically not required for home MRADLs.

Wheel and tire terminology — propulsion wheel, caster, pneumatic/solid/foam tire definitions

Propulsion wheelA large wheel which can be used by a member to propel the wheelchair with his/her arms.

CasterA small wheel in contact with the ground during normal operation that cannot be used for arm propulsion (includes certain rear wheels on tilt-in-space wheelchairs).

Tire typesTire types include pneumatic, flat-free insert, foam-filled, foam, and solid tires; selection affects maintenance and replacement coding.

propulsion wheel definition

Propulsion wheel definitionA large wheel which can be used by a member to propel the wheelchair with his/her arms.

Function noteRelevant for manual wheelchair propulsion and selection of gear reduction or lever-activated drives.

Coding implicationReplacement propulsion wheel components have specific HCPCS codes for repair/replacement.

caster definition

Caster definitionA small wheel in contact with the ground during normal operation that cannot be used for arm propulsion; may be front or rear depending on drive wheel location.

Replacement codingCaster assemblies and caster forks have HCPCS codes for replacement-only when applicable.

Clinical noteCaster size (e.g., >=5 inches) is relevant for rollabout/transport chairs to meet DME criteria.

power tilt/recline/tilt-and-recline definitions and thresholds

Power tilt/recline definitionsPower tilt: tilt ≥20°; power recline: recline ≥150°; tilt-and-recline: both thresholds met; back height and weight support thresholds (back height ≥20 in.; support weight ≥250 lb) also apply.

Functional thresholdsSystems must include solid seat/back, independent switch control, motors, and hardware to attach to base.

Clinical implicationSeating systems not meeting thresholds (e.g., tilt <20°) are considered equivalent to standard seats included in the base.

interface / proportional vs non-proportional — definitions for control interfaces

Proportional vs non-proportional interfacesProportional interfaces control direction and amount of movement (joystick) whereas non-proportional use switches for discrete direction/speed commands.

Selection criteriaChoice depends on member's motor control, cognition, and ability to provide sustained input; specialty evaluation required for alternatives.

Charging and inclusionStandard proportional interfaces provided at initial issue are part of basic package (no separate billing), while alternative devices may require documentation and an expandable controller.

Adjustable skin protection and positioning seat cushion — definition

Adjustable skin protection & positioning seat cushionA cushion with skin protection/positioning characteristics that allows adjustment of skin protection properties (e.g., adding/removing fluid) achievable by member or caregiver using supplied items.

Inclusion criteriaMust meet the performance, cover, labeling, and warranty criteria for prefabricated skin protection/positioning cushions; adjustability pertains to skin protection only.

Delivery fittingAll cushions considered adjustable up to the point of delivery; fitting may involve adjustments using supplied items.

Positioning and/or skin protection back cushion — definition and contour requirements

Positioning/skin protection back cushionStatic prefabricated back cushion meeting contour requirements (posterior contour ≥25 mm; lateral contour ≥75 mm for certain designs) with removable cover, flame resistance, permanent label, and warranty (18 months for positioning/skin protection backs).

Posterior pelvic cushionsPosterior pelvic cushions (e.g., E2613/E2614) require adjustable mounting hardware for vertical position, depth, and angle.

Performance/testingCushions must meet contour and fatigue/human subject performance thresholds as specified in definitions.

Custom fabricated seat or back cushion — definition and fabrication methods

Custom fabricated cushion criteriaCustom cushions are individually made using molded-to-member, direct molding, CAD-CAM, or detailed measurements and must materially exceed prefabricated structural requirements; removable cover and flame resistance required.

Foam-in-place noteFoam-in-place or material used to fit a substantially prefabricated cushion is considered prefabricated, not custom fabricated.

DocumentationCustom cushions billed to E2609/E2617 require written evaluation explaining why prefabricated options are insufficient and PDAC coding verification may be required.

Powered wheelchair seat cushion — definition

Powered wheelchair seat cushionBattery-powered prefabricated cushion with air pump providing sequential inflation/deflation or low interface pressure (e.g., alternating pressure cushion).

Coverage stancePowered seat cushions are considered experimental/investigational in the policy (effectiveness not established).

Functional roleDesigned for pressure redistribution/skin protection; classification and coverage depend on device evidence and policy criteria.

Alternative control interfaces for power wheelchairs — eye-tracking, Munevo DRIVE examples

Alternative control interfaces examplesIncludes eye-tracking control systems and Munevo DRIVE (smart glass-based head control) as examples of alternative control interfaces for PWCs.

Evidence and limitationsSome pilot studies (e.g., Munevo DRIVE) show feasibility but note slower control and limited testing environments; evidence varies and clinical suitability must be evaluated.

Specialty evaluation requiredUse of alternative control interfaces requires specialty evaluation and documentation of ability to operate safely.

Policy History — policy history reference

Policy history — last reviewLast review date: 10/25/2023.

Effective datePolicy effective date: 07/16/1998.

Next scheduled reviewNext review: 03/14/2024.