L5640 HCPCS Level II code: Addition to lower extremity, knee disarticulation, leather socket
L5640 is the HCPCS code for “Addition to lower extremity, knee disarticulation, leather socket” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
L5640Addition to lower extremity, knee disarticulation, leather socket
Short description: Knee disarticulat leather so
HCPCS · United States
Medicare details
The indicators CMS publishes with L5640 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- DMEPOS fee schedule – Orthotics, prosthetics, prosthetic devices & vision services (price subject to floors and ceilings)
- Type of service
- Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Prosthetic/Orthotic devices
- Added
- Jan 1, 1986
Where L5640 sits
- 1L codesOrthotics and prosthetics
- 2Active code L5640Addition to lower extremity, knee disarticulation, leather socket
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code L5640 mean?
L5640 is the HCPCS code for “Addition to lower extremity, knee disarticulation, leather socket” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover L5640?
CMS lists L5640’s Medicare coverage as “Carrier judgment” and its pricing as “DMEPOS fee schedule – Orthotics, prosthetics, prosthetic devices & vision services (price subject to floors and ceilings)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside L5640
All L codesL5632Addition to lower extremity, symes type, 'ptb' brim design socketL5634Addition to lower extremity, symes type, posterior opening (canadian) socketL5636Addition to lower extremity, symes type, medial opening socketL5637Addition to lower extremity, below knee, total contactL5638Addition to lower extremity, below knee, leather socketL5639Addition to lower extremity, below knee, wood socketL5642Addition to lower extremity, above knee, leather socketL5643Addition to lower extremity, hip disarticulation, flexible inner socket, external frameL5644Addition to lower extremity, above knee, wood socketL5645Addition to lower extremity, below knee, flexible inner socket, external frameL5646Addition to lower extremity, below knee, air, fluid, gel or equal, cushion socketL5647Addition to lower extremity, below knee suction socket