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
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
38Orthotics, prosthetics, prosthetic devices & vision services- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
D1FProsthetic/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
- L5841 – Addition, endoskeletal knee-shin system, polycentric, pneumatic swing, and stance phase control
- L5845 – Addition, endoskeletal, knee-shin system, stance flexion feature, adjustable
- L5848 – Addition to endoskeletal knee-shin system, fluid stance extension, dampening feature, with or without adjustability
- L5850 – Addition, endoskeletal system, above knee or hip disarticulation, knee extension assist
- L5855 – Addition, endoskeletal system, hip disarticulation, mechanical hip extension assist
- L5856 – Addition to lower extremity prosthesis, endoskeletal knee-shin system, microprocessor control feature, swing and stance phase, includes electronic sensor(s), any type
- L5857 – Addition to lower extremity prosthesis, endoskeletal knee-shin system, microprocessor control feature, swing phase only, includes electronic sensor(s), any type
- L5858 – Addition to lower extremity prosthesis, endoskeletal knee shin system, microprocessor control feature, stance phase only, includes electronic sensor(s), any type
- L5910 – Addition, endoskeletal system, below knee, alignable system
- L5920 – Addition, endoskeletal system, above knee or hip disarticulation, alignable system
- L5925 – Addition, endoskeletal system, above knee, knee disarticulation or hip disarticulation, manual lock
- L5926 – Addition to lower extremity prosthesis, endoskeletal, knee disarticulation, above knee, hip disarticulation, positional rotation unit, any type
- L5930 – Addition, endoskeletal system, high activity knee control frame
- L5940 – Addition, endoskeletal system, below knee, ultra-light material (titanium, carbon fiber or equal)
- L5950 – Addition, endoskeletal system, above knee, ultra-light material (titanium, carbon fiber or equal)
- L5960 – Addition, endoskeletal system, hip disarticulation, ultra-light material (titanium, carbon fiber or equal)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.