L5999 – Lower extremity prosthesis, not otherwise specified
HCPCS Level II code · L codes: Orthotic and Prosthetic Procedures and Devices
HCPCS codeL5999
- Long description
- Lower extremity prosthesis, not otherwise specified
- Short description
- Lowr extremity prosthes nos
- Pricing indicator
46Priced by carrier (not otherwise classified / individual determination)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
D1FProsthetic/Orthotic devices- Added
- January 1, 1982
- Last change
- January 1, 1998 – No change
Frequently asked questions
What is HCPCS code L5999?
L5999 is a HCPCS Level II code for lower extremity prosthesis, not otherwise specified.
Does Medicare cover L5999?
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
- L5984 – All endoskeletal lower extremity prosthesis, axial rotation unit, with or without adjustability
- L5985 – All endoskeletal lower extremity prostheses, dynamic prosthetic pylon
- L5986 – All lower extremity prostheses, multi-axial rotation unit ('mcp' or equal)
- L5987 – All lower extremity prosthesis, shank foot system with vertical loading pylon
- L5988 – Addition to lower limb prosthesis, vertical shock reducing pylon feature
- L5990 – Addition to lower extremity prosthesis, user adjustable heel height
- L5991 – Addition to lower extremity prostheses, osseointegrated external prosthetic connector
- L5992 – All lower extremity prosthesis, foot shell for modular foot/non-solid ankle cushion heel (sach) replacement only
- L6000 – Partial hand, thumb remaining
- L6010 – Partial hand, little and/or ring finger remaining
- L6020 – Partial hand, no finger remaining
- L6025 – Transcarpal/metacarpal or partial hand disarticulation prosthesis, external power, self-suspended, inner socket with removable forearm section, electrodes and cables, two batteries, charger, myoelectric control of terminal device
- L6026 – Transcarpal/metacarpal or partial hand disarticulation prosthesis, external power, self-suspended, inner socket with removable forearm section, electrodes and cables, two batteries, charger, myoelectric control of terminal device, excludes terminal device(s)
- L6028 – Partial hand, finger, and thumb prosthesis without prosthetic digit(s) /thumb, amputation at metacarpal level, including flexible or non-flexible interface, molded to patient model, for use without external power and/or passive prosthetic digit/thumb, not including inserts described by l6692
- L6029 – Upper extremity addition, test socket/interface, partial hand including fingers
- L6030 – Upper extremity addition, external frame, partial hand including fingers
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.