HCPCS Level II · Orthotic and prosthetic procedures and devices
L5999Lower extremity prosthesis, not otherwise specified
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About L5999
L5999 is an HCPCS Level II code in the L series (orthotic and prosthetic procedures and devices), describing lower extremity prosthesis, not otherwise specified.
It was added to HCPCS effective 01/01/1982, and its current record took effect 01/01/1998.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Lowr extremity prosthes nos
- Date added
- 01/01/1982
- Action effective
- 01/01/1998
- BETOS
- D1F
Related L59xx codes
- L5910Addition, endoskeletal system, below knee, alignable system
- L5920Addition, endoskeletal system, above knee or hip disarticulation, alignable system
- L5925Addition, endoskeletal system, above knee, knee disarticulation or hip disarticulation, manual lock
- L5926Addition to lower extremity prosthesis, endoskeletal, knee disarticulation, above knee, hip disarticulation, positional rotation unit, any type
- L5930Addition, endoskeletal system, high activity knee control frame
- L5940Addition, endoskeletal system, below knee, ultra-light material (titanium, carbon fiber or equal)
- L5950Addition, endoskeletal system, above knee, ultra-light material (titanium, carbon fiber or equal)
- L5960Addition, endoskeletal system, hip disarticulation, ultra-light material (titanium, carbon fiber or equal)
- L5961Addition, endoskeletal system, polycentric hip joint, pneumatic or hydraulic control, rotation control, with or without flexion and/or extension control
- L5962Addition, endoskeletal system, below knee, flexible protective outer surface covering system
- L5964Addition, endoskeletal system, above knee, flexible protective outer surface covering system
- L5966Addition, endoskeletal system, hip disarticulation, flexible protective outer surface covering system
Common questions about L5999
Is HCPCS L5999 still valid?
- Yes. L5999 is active in the CMS October 2026 HCPCS file.
Does Medicare cover L5999?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.