L5671 HCPCS code: Addition to lower extremity, below knee / above knee suspension locking mechanism (shuttle, lanyard or equal), excludes socket insert
L5671 is the HCPCS Level II code for addition to lower extremity, below knee / above knee suspension locking mechanism (shuttle, lanyard or equal), excludes socket insert. The 2026 Medicare DMEPOS fee schedule pays $608.96 to $1,150.99 depending on the state. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 2 per day on DME suppliers. Medicare volume fell 8% from 2022 to 2024 (23,233 to 21,354 services). In 2024, 2,271 suppliers billed Medicare for L5671 (purchases), serving 17,919 beneficiaries; California, Texas, Florida accounted for 28% of services. Its average fee ranks 43 of 68 L56 codes (family range $55.23–$7,528.87).
Code details
| Field | Value |
|---|---|
| Section | L codes — Orthotic and prosthetic procedures and devices |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 38 — DMEPOS: orthotics, prosthetics, prosthetic devices and vision services |
| BETOS category | D1F — Prosthetic and orthotic devices |
| Added | 2002-01-01 |
| Last action effective | 2002-01-01 |
2026 Medicare DMEPOS fee schedule for L5671
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| — | base fee | $608.96 | $1,150.99 | $811.94 | $608.96 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | — | $1,080.40 | — |
| AL | — | $703.98 | — |
| AR | — | $703.88 | — |
| AZ | — | $811.94 | — |
| CA | — | $811.94 | — |
| CO | — | $811.94 | — |
| CT | — | $608.96 | — |
| DC | — | $608.96 | — |
| DE | — | $608.96 | — |
| FL | — | $703.98 | — |
| GA | — | $703.98 | — |
| HI | — | $972.44 | — |
| IA | — | $811.94 | — |
| ID | — | $811.94 | — |
| IL | — | $608.96 | — |
| IN | — | $608.96 | — |
| KS | — | $811.94 | — |
| KY | — | $703.98 | — |
| LA | — | $703.88 | — |
| MA | — | $608.96 | — |
| MD | — | $608.96 | — |
| ME | — | $608.96 | — |
| MI | — | $608.96 | — |
| MN | — | $608.96 | — |
| MO | — | $811.94 | — |
| MS | — | $703.98 | — |
| MT | — | $811.94 | — |
| NC | — | $703.98 | — |
| ND | — | $811.94 | — |
| NE | — | $811.94 | — |
| NH | — | $608.96 | — |
| NJ | — | $608.96 | — |
| NM | — | $703.88 | — |
| NV | — | $811.94 | — |
| NY | — | $608.96 | — |
| OH | — | $608.96 | — |
| OK | — | $703.88 | — |
| OR | — | $811.94 | — |
| PA | — | $608.96 | — |
| PR | — | $1,150.99 | — |
| RI | — | $608.96 | — |
| SC | — | $703.98 | — |
| SD | — | $811.94 | — |
| TN | — | $703.98 | — |
| TX | — | $703.88 | — |
| UT | — | $811.94 | — |
| VA | — | $608.96 | — |
| VI | — | $608.96 | — |
| VT | — | $608.96 | — |
| WA | — | $811.94 | — |
| WI | — | $608.96 | — |
| WV | — | $608.96 | — |
| WY | — | $811.94 | — |
How the L5671 fee compares
| Measure | Value |
|---|---|
| Rank among 68 L56 codes (lowest = 1) | 43 |
| Family fee range (average of state fees) | $55.23–$7,528.87 |
| Rural fee uplift | — |
Who bills L5671 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 2,271 |
| Referring clinicians | 11,900 |
| Medicare beneficiaries | 17,919 |
| States with claims | 53 |
| Share of services in top 3 states (California, Texas, Florida) | 28% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 2,364 | 19,455 |
| 2023 | 2,349 | 18,875 |
| 2024 | 2,271 | 17,919 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for L5671, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 23,233 | 19,455 | $595.94 | $464.79 |
| 2023 | 22,482 | 18,875 | $646.57 | $500.99 |
| 2024 | 21,354 | 17,919 | $665.61 | $516.68 |
States with the most L5671 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 2,173 | $597.26 |
| Texas | 2,085 | $523.26 |
| Florida | 1,702 | $524.16 |
| New York | 1,293 | $456.64 |
| Pennsylvania | 875 | $452.81 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 2 | Anatomic Consideration |
| outpatient hospital claims | 2 | Anatomic Consideration |
Medicare policy articles for this code
- A52496: Lower Limb Prostheses - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
What changed for L5671
- 2026-01-01: Average state fee rose 2.0%: $705.41 to $719.51
- 2002-01-01: L5671 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code L5671?
L5671 is the HCPCS Level II code for addition to lower extremity, below knee / above knee suspension locking mechanism (shuttle, lanyard or equal), excludes socket insert. Short descriptor: "Bk/ak locking mechanism".
How much does Medicare pay for L5671?
Under the 2026 DMEPOS fee schedule, non-rural state fees are base (base fee): $608.96–$1,150.99. Rural fees can be higher.
Does Medicare cover L5671?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Did the Medicare fee for L5671 change in 2026?
The average non-rural state fee moved from $705.41 in 2025 to $719.51 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of L5671 can be billed per day?
2 on DME suppliers; 2 on outpatient hospital claims (NCCI medically unlikely edits).
Related L56 codes
- L5600 — Preparatory, hip disarticulation-hemipelvectomy, pylon, no cover, sach foot, laminated socket, molded to patient model ($5,443.57–$10,073.55)
- L5610 — Addition to lower extremity, endoskeletal system, above knee, hydracadence system ($2,534.66–$3,807.08)
- L5611 — Addition to lower extremity, endoskeletal system, above knee - knee disarticulation, 4 bar linkage, with friction swing phase control ($1,972.47–$2,747.18)
- L5613 — Addition to lower extremity, endoskeletal system, above knee-knee disarticulation, 4 bar linkage, with hydraulic swing phase control ($2,522.22–$4,561.30)
- L5614 — Addition to lower extremity, exoskeletal system, above knee-knee disarticulation, 4 bar linkage, with pneumatic swing phase control ($2,028.06–$2,230.84)
- L5615 — Addition, endoskeletal knee-shin system, 4 bar linkage or multiaxial, fluid swing and stance phase control ($6,603.89–$9,833.55)
- L5616 — Addition to lower extremity, endoskeletal system, above knee, universal multiplex system, friction swing phase control ($1,427.66–$2,216.96)
- L5617 — Addition to lower extremity, quick change self-aligning unit, above knee or below knee, each ($672.42–$739.74)
- L5618 — Addition to lower extremity, test socket, symes ($319.44–$459.08)
- L5620 — Addition to lower extremity, test socket, below knee ($340.36–$483.98)
- L5622 — Addition to lower extremity, test socket, knee disarticulation ($443.82–$1,237.32)
- L5624 — Addition to lower extremity, test socket, above knee ($445.08–$677.51)
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under L5671
- Watch L5671 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L5671
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule 2026; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.