L2415 HCPCS code: Addition to knee lock with integrated release mechanism (bail, cable, or equal), any material, each joint
L2415 is the HCPCS Level II code for addition to knee lock with integrated release mechanism (bail, cable, or equal), any material, each joint. The 2026 Medicare DMEPOS fee schedule pays $145.69 to $160.30 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 4 per day on DME suppliers. Medicare volume fell 5% from 2022 to 2024 (1,361 to 1,293 services). In 2024, 452 suppliers billed Medicare for L2415 (purchases), serving 684 beneficiaries; California, New York, Texas accounted for 28% of services. Its average fee ranks 3 of 5 L24 codes (family range $106.61–$175.29).
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 | 1988-01-01 |
| Last action effective | 2002-01-01 |
2026 Medicare DMEPOS fee schedule for L2415
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| — | base fee | $145.69 | $160.30 | $177.82 | $133.36 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | — | $145.69 | — |
| AL | — | $150.10 | — |
| AR | — | $150.07 | — |
| AZ | — | $145.69 | — |
| CA | — | $145.69 | — |
| CO | — | $150.98 | — |
| CT | — | $145.69 | — |
| DC | — | $145.69 | — |
| DE | — | $145.69 | — |
| FL | — | $150.10 | — |
| GA | — | $150.10 | — |
| HI | — | $145.69 | — |
| IA | — | $148.55 | — |
| ID | — | $145.69 | — |
| IL | — | $149.30 | — |
| IN | — | $149.30 | — |
| KS | — | $148.55 | — |
| KY | — | $150.10 | — |
| LA | — | $150.07 | — |
| MA | — | $145.69 | — |
| MD | — | $145.69 | — |
| ME | — | $145.69 | — |
| MI | — | $149.30 | — |
| MN | — | $149.30 | — |
| MO | — | $148.55 | — |
| MS | — | $150.10 | — |
| MT | — | $150.98 | — |
| NC | — | $150.10 | — |
| ND | — | $150.98 | — |
| NE | — | $148.55 | — |
| NH | — | $145.69 | — |
| NJ | — | $145.69 | — |
| NM | — | $150.07 | — |
| NV | — | $145.69 | — |
| NY | — | $145.69 | — |
| OH | — | $149.30 | — |
| OK | — | $150.07 | — |
| OR | — | $145.69 | — |
| PA | — | $145.69 | — |
| PR | — | $160.30 | — |
| RI | — | $145.69 | — |
| SC | — | $150.10 | — |
| SD | — | $150.98 | — |
| TN | — | $150.10 | — |
| TX | — | $150.07 | — |
| UT | — | $150.98 | — |
| VA | — | $145.69 | — |
| VI | — | $160.30 | — |
| VT | — | $145.69 | — |
| WA | — | $145.69 | — |
| WI | — | $149.30 | — |
| WV | — | $145.69 | — |
| WY | — | $150.98 | — |
How the L2415 fee compares
| Measure | Value |
|---|---|
| Rank among 5 L24 codes (lowest = 1) | 3 |
| Family fee range (average of state fees) | $106.61–$175.29 |
| Rural fee uplift | — |
Who bills L2415 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 452 |
| Referring clinicians | 646 |
| Medicare beneficiaries | 684 |
| States with claims | 23 |
| Share of services in top 3 states (California, New York, Texas) | 28% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 472 | 705 |
| 2023 | 509 | 736 |
| 2024 | 452 | 684 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for L2415, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 1,361 | 705 | $126.59 | $98.11 |
| 2023 | 1,408 | 736 | $137.19 | $105.63 |
| 2024 | 1,293 | 684 | $141.51 | $108.95 |
States with the most L2415 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 134 | $109.35 |
| New York | 85 | $109.22 |
| Texas | 76 | $109.87 |
| Florida | 69 | $109.65 |
| Pennsylvania | 61 | $106.38 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 4 | Anatomic Consideration |
| outpatient hospital claims | 4 | Anatomic Consideration |
Medicare policy articles for this code
- A52465: Knee Orthoses - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (4,806 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| G04.1 | Tropical spastic paraplegia | 1 |
| G35.A | Relapsing-remitting multiple sclerosis | 1 |
| G35.B0 | Primary progressive multiple sclerosis, unspecified | 1 |
| G35.B1 | Active primary progressive multiple sclerosis | 1 |
| G35.B2 | Non-active primary progressive multiple sclerosis | 1 |
| G35.C0 | Secondary progressive multiple sclerosis, unspecified | 1 |
| G35.C1 | Active secondary progressive multiple sclerosis | 1 |
| G35.C2 | Non-active secondary progressive multiple sclerosis | 1 |
| G35.D | Multiple sclerosis, unspecified | 1 |
| G57.01 | Lesion of sciatic nerve, right lower limb | 1 |
Showing 10 of 4,806. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for L2415
- 2026-01-01: Average state fee rose 2.0%: $145.63 to $148.54
- 1988-01-01: L2415 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 L2415?
L2415 is the HCPCS Level II code for addition to knee lock with integrated release mechanism (bail, cable, or equal), any material, each joint. Short descriptor: "Knee joint cam lock each joi".
How much does Medicare pay for L2415?
Under the 2026 DMEPOS fee schedule, non-rural state fees are base (base fee): $145.69–$160.30. Rural fees can be higher.
Does Medicare cover L2415?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for L2415?
Medicare policy articles that cite L2415 list 4,806 covered ICD-10-CM diagnosis codes across 1 article. The most cited include G04.1 (Tropical spastic paraplegia), G35.A (Relapsing-remitting multiple sclerosis), G35.B0 (Primary progressive multiple sclerosis, unspecified). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Did the Medicare fee for L2415 change in 2026?
The average non-rural state fee moved from $145.63 in 2025 to $148.54 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of L2415 can be billed per day?
4 on DME suppliers; 4 on outpatient hospital claims (NCCI medically unlikely edits).
Related L24 codes
- L2405 — Addition to knee joint, drop lock, each ($104.57–$115.02)
- L2425 — Addition to knee joint, disc or dial lock for adjustable knee flexion, each joint ($171.93–$189.18)
- L2430 — Addition to knee joint, ratchet lock for active and progressive knee extension, each joint ($171.93–$189.18)
- L2492 — Addition to knee joint, lift loop for drop lock ring ($117.18–$156.11)
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 L2415
- Watch L2415 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L2415
Sources: CMS HCPCS Level II release October 2026; 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.