L5679 HCPCS Level II code: Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal…

L5679 is the HCPCS code for “Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or…” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

L5679

Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, not for use with locking mechanism

Short description: Socket insert w/o lock mech

HCPCS · United States

Medicare details

The indicators CMS publishes with L5679 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, 2004

Where L5679 sits

  1. 1L codesOrthotics and prosthetics
  2. 2Active code L5679Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, not for use with locking mechanism

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 L5679 mean?

L5679 is the HCPCS code for “Addition to lower extremity, below knee/above knee, custom fabricated from existing mold or prefabricated, socket insert, silicone gel, elastomeric, or equal, with or without perforations, with or without breathable material, not for use with locking mechanism” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover L5679?

CMS lists L5679’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.