L5859 – Addition to lower extremity prosthesis, endoskeletal knee-shin system, powered and programmable flexion/extension assist control, includes any type motor(s)

HCPCS Level II code · L codes: Orthotic and Prosthetic Procedures and Devices

Active code Carrier judgment

HCPCS codeL5859
Long description
Addition to lower extremity prosthesis, endoskeletal knee-shin system, powered and programmable flexion/extension assist control, includes any type motor(s)
Short description
Knee-shin pro flex/ext cont
Pricing indicator
38 Orthotics, prosthetics, prosthetic devices & vision services
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
D1F Prosthetic/Orthotic devices
Added
January 1, 2013
Last change
January 1, 2013 – No change

Frequently asked questions

What is HCPCS code L5859?

L5859 is a HCPCS Level II code for addition to lower extremity prosthesis, endoskeletal knee-shin system, powered and programmable flexion/extension assist control, includes any type motor(s).

Does Medicare cover L5859?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby L codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.