Summary & Overview
HCPCS K0853: Power Wheelchair, Very Heavy Duty Captains Chair
HCPCS Level II code K0853 denotes a power wheelchair classified as group 3 very heavy duty with a captain's chair and a patient weight capacity of 451 to 600 pounds. This code identifies high-capacity powered mobility devices intended for individuals with significant body habitus or mobility needs that exceed standard wheelchair specifications. Nationally, proper coding of heavy-duty power wheelchairs matters for access to durable medical equipment, appropriate clinical provision, and alignment with payer coverage policies.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of how K0853 is defined and used, typical sites of service, and the clinical context for prescribing very heavy duty power wheelchairs. The publication also outlines common documentation and billing considerations, payer coverage themes, and benchmark elements relevant to procurement and claims submission.
The content is intended to help clinicians, DME suppliers, and billing professionals understand the role of K0853 in coding and care pathways, summarize payer engagement, and highlight areas where policy updates or payer-specific criteria commonly influence authorization and payment outcomes. Data not available in the input is identified where applicable.
Billing Code Overview
HCPCS Level II code K0853 describes a power wheelchair, group 3 very heavy duty, captains chair, with a patient weight capacity of 451 to 600 pounds. The service type is durable medical equipment — mobility assistive device (power wheelchair). The typical site of service is home or other community settings where the patient uses a power wheelchair for mobility.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with severe obesity or a medical condition causing immobility and a body weight that requires a very heavy-duty power wheelchair. The patient presents to a durable medical equipment (DME) clinic following evaluation by a primary care physician, physiatrist, or orthopedic surgeon documenting inability to safely ambulate, recurrent falls, or progressive decline in mobility. A standardized mobility assessment (including sit-to-stand, transfer safety, and functional mobility distances) and home accessibility review are completed. The DME supplier performs a face-to-face assessment, documents weight and body habitus, measures for a captain's chair seating configuration, and verifies the patient requires a Group 3, very heavy duty power wheelchair with patient weight capacity 451 to 600 pounds. Prior to delivery, documentation includes medical necessity (diagnosis, mobility limitation, and expected benefit), physician order, and delivery/adjustment visit notes. Education on safe transfers, battery charging, and maintenance is provided at the supplier visit. Typical sites of service include outpatient DME supplier facilities, hospital-based DME departments, and in-home delivery and setup for patients unable to travel.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services |