The primary difference is the tilt-in-space mechanism included in E1161. This mechanism allows the entire seat to tilt without changing the angle of the seat and back, which is critical for medical management of posture, pressure, and tone, especially for individuals who cannot independently shift their weight.

HCPCS E1161: Manual adult-size wheelchair, w/ tilt-in-space
Learn more about how to properly use and code HCPCS code E1161 by meeting the documentation and billing requirements in our short guide.
Frequently asked questions
While possible, E1161 wheelchairs are generally designed for assisted/caregiver propulsion rather than independent self-propulsion. The design often prioritizes stability and positioning over the lightweight and adjustable frame needed for efficient self-propulsion.
Yes, Medicare may cover E1161 as Durable Medical Equipment (DME) if the coverage criteria outlined in the relevant Local Coverage Determination (LCD) are met, including documented medical necessity, a significant impairment of MRADLs, and the need for the specific tilt-in-space feature.
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