Summary & Overview
HCPCS K0843: Power Wheelchair, Heavy Duty, 301–450 lb Capacity
HCPCS Level II code K0843 identifies a heavy-duty Group 2 power wheelchair with multiple power options and a sling or solid seat/back, rated for patient weight capacity of 301 to 450 pounds. This equipment code is important nationally because it denotes higher-capacity powered mobility devices intended for individuals with greater weight requirements or needs for reinforced seating and drive components. Access to appropriate mobility devices influences functional independence, long-term care needs, and associated durable medical equipment (DME) expenditures.
Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of coverage considerations, common billing modifiers, typical sites of service, and context for clinical indications that commonly align with this equipment class. The publication also outlines benchmarking topics and policy considerations relevant to DME suppliers and clinicians, including coding accuracy, documentation expectations, and intersections with mobility-assistive device benefit policies.
This summary provides a national perspective on the clinical role of heavy-duty power wheelchairs and the billing context for K0843, helping readers locate relevant policy updates, payer coverage frameworks, and operational factors that affect procurement and claims processing for high-capacity powered wheelchairs.
Billing Code Overview
HCPCS Level II code K0843 describes a power wheelchair, group 2 heavy duty, multiple power option, sling/solid seat/back designed for patients with a weight capacity of 301 to 450 pounds. The service represented by this code is durable medical equipment providing powered mobility assistance for patients requiring a heavy-duty seating and drive system.
Service Type: Durable medical equipment — power mobility device (powered wheelchair)
Typical Site of Service: Home, residential care facilities, long-term care settings, and other outpatient environments where durable medical equipment is used
Clinical & Coding Specifications
Clinical Context
A 62-year-old male patient with morbid obesity (BMI 44), severe osteoarthritis of the knees, and long-standing peripheral neuropathy requires a durable power wheelchair to safely ambulate in the community and at home. The durable medical equipment supplier evaluates the patient in the clinic, documents functional mobility limitations, home environment barriers, and measurements confirming the need for a heavy-duty power wheelchair with 301 to 450 pound weight capacity. A supplier performs a seating assessment, obtains physician certification and a detailed mobility evaluation, and submits prior authorization to Medicare and commercial payors. Delivery includes fitting the K0843 Group 2 heavy-duty power wheelchair with multiple power options and a sling/solid seat/back, user training, and caregiver education. Follow-up visits address adjustments, repairs, and documentation of continued medical necessity for replacement or repairs per payor policy.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier — or not otherwise specified | Use when no other applicable modifier applies to the item billing. |
52 |