Summary & Overview
HCPCS E2633: Wheelchair Addition to Mobile Arm Support, Supinator
HCPCS Level II code E2633 identifies a wheelchair accessory that is an addition to a mobile arm support providing supination assistance. Nationally, accessories that enhance upper-limb positioning and function are important for mobility-dependent patients, influencing equipment selection, functional outcomes, and durable medical equipment (DME) coverage decisions. Coverage and payment policies for accessories vary across public and commercial payers, affecting access to clinically appropriate components.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what E2633 represents, payer coverage patterns and benchmarks, typical sites of service and clinical context for use, and relevant billing considerations such as common modifiers and related code groupings. The publication summarizes national policy trends, common clinical indications for supinator additions to mobile arm supports, and practical billing and documentation points that influence reimbursement. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code E2633 denotes a wheelchair accessory described as an addition to a mobile arm support, supinator. This item represents an adjunctive component intended to attach to a wheelchair-mounted mobile arm support to provide supination assistance for the user.
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Service type: Durable medical equipment accessory for mobility/upper-extremity support
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Typical site of service: Durable medical equipment suppliers, outpatient rehabilitation clinics, home use
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Clinical & Coding Specifications
Clinical Context
A 68-year-old male patient with a history of stroke (left hemiparesis) and resultant forearm pronation weakness presents for mobility optimization. The patient uses a power wheelchair but demonstrates difficulty performing activities of daily living due to forearm supination weakness and poor arm positioning during transfers and feeding. An occupational therapist evaluates the patient and recommends a wheelchair-mounted mobile arm support with an added supinator accessory to assist with forearm rotation and functional grasp. The durable medical equipment (DME) supplier documents the need, fits and adjusts the E2633 wheelchair accessory (addition to mobile arm support, supinator), and delivers the component. The clinical workflow includes evaluation by therapy, a DME order from the treating physician specifying the accessory, prior authorization submission if required by the payer, delivery and fitting by the supplier, and follow-up therapy to train the patient in safe use and to document functional gains.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier | Use when no specific modifier applies and claim is standard. |
52 |