L5818 – Addition, endoskeletal knee-shin system, polycentric, friction swing, and stance phase control
HCPCS Level II code · L codes: Orthotic and Prosthetic Procedures and Devices
HCPCS codeL5818
- Long description
- Addition, endoskeletal knee-shin system, polycentric, friction swing, and stance phase control
- Short description
- Endo knee-shin frct swg & st
- 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, 1988
- Last change
- January 1, 1996 – No change
Frequently asked questions
What is HCPCS code L5818?
L5818 is a HCPCS Level II code for addition, endoskeletal knee-shin system, polycentric, friction swing, and stance phase control.
Does Medicare cover L5818?
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
- L5785 – Addition, exoskeletal system, below knee, ultra-light material (titanium, carbon fiber or equal)
- L5790 – Addition, exoskeletal system, above knee, ultra-light material (titanium, carbon fiber or equal)
- L5795 – Addition, exoskeletal system, hip disarticulation, ultra-light material (titanium, carbon fiber or equal)
- L5810 – Addition, endoskeletal knee-shin system, single axis, manual lock
- L5811 – Addition, endoskeletal knee-shin system, single axis, manual lock, ultra-light material
- L5812 – Addition, endoskeletal knee-shin system, single axis, friction swing and stance phase control (safety knee)
- L5814 – Addition, endoskeletal knee-shin system, polycentric, hydraulic swing phase control, mechanical stance phase lock
- L5816 – Addition, endoskeletal knee-shin system, polycentric, mechanical stance phase lock
- L5822 – Addition, endoskeletal knee-shin system, single axis, pneumatic swing, friction stance phase control
- L5824 – Addition, endoskeletal knee-shin system, single axis, fluid swing phase control
- L5826 – Addition, endoskeletal knee-shin system, single axis, hydraulic swing phase control, with miniature high activity frame
- L5827 – Endoskeletal knee-shin system, single axis, electromechanical swing and stance phase control, with or without shock absorption and stance extension damping
- L5828 – Addition, endoskeletal knee-shin system, single axis, fluid swing and stance phase control
- L5830 – Addition, endoskeletal knee-shin system, single axis, pneumatic/ swing phase control
- L5840 – Addition, endoskeletal knee/shin system, 4-bar linkage or multiaxial, pneumatic swing phase control
- L5841 – Addition, endoskeletal knee-shin system, polycentric, pneumatic swing, and stance phase control
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.