HCPCS code L5679 — Socket insert w/o lock mech.
Status: Active.
Effective Oct 1, 2025.
Source: CMS HCPCS Level II.
L5679
ActiveSocket insert w/o lock mech
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
Category:
Orthotics & Prosthetics
Section:
L-codes: Orthotic and Prosthetic Procedures
Effective:
Oct 1, 2025
Code type:
alphanumeric
OPPS Status:
A
— Paid under a separate fee schedule (not OPPS)
MUE — Medically Unlikely Edits
Maximum units of L5679 Medicare will pay for one beneficiary on one date of service. Claims exceeding the MUE are denied or returned for review.
| Service Type | Max Units / Day |
|---|---|
| DME Supplier | 4 |
| Outpatient Hospital | 4 |
| Practitioner Services | 0 |
Source: CMS Medicare NCCI Medically Unlikely Edits
Change History
Quarterly changes published by CMS. Revisions may affect the code description, coverage, or rate — review each quarter's changes before submitting claims.
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New Code 2025-Q4Socket insert w/o lock mech