L2405 HCPCS code: Addition to knee joint, drop lock, each
L2405 is the HCPCS Level II code for addition to knee joint, drop lock, each. The 2026 Medicare DMEPOS fee schedule pays $104.57 to $115.02 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. Its average fee ranks 1 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 | 2006-01-01 |
2026 Medicare DMEPOS fee schedule for L2405
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| — | base fee | $104.57 | $115.02 | $127.62 | $95.71 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | — | $104.57 | — |
| AL | — | $107.74 | — |
| AR | — | $107.73 | — |
| AZ | — | $104.57 | — |
| CA | — | $104.57 | — |
| CO | — | $108.31 | — |
| CT | — | $104.57 | — |
| DC | — | $104.57 | — |
| DE | — | $104.57 | — |
| FL | — | $107.74 | — |
| GA | — | $107.74 | — |
| HI | — | $104.57 | — |
| IA | — | $106.61 | — |
| ID | — | $104.57 | — |
| IL | — | $107.14 | — |
| IN | — | $107.14 | — |
| KS | — | $106.61 | — |
| KY | — | $107.74 | — |
| LA | — | $107.73 | — |
| MA | — | $104.57 | — |
| MD | — | $104.57 | — |
| ME | — | $104.57 | — |
| MI | — | $107.14 | — |
| MN | — | $107.14 | — |
| MO | — | $106.61 | — |
| MS | — | $107.74 | — |
| MT | — | $108.31 | — |
| NC | — | $107.74 | — |
| ND | — | $108.31 | — |
| NE | — | $106.61 | — |
| NH | — | $104.57 | — |
| NJ | — | $104.57 | — |
| NM | — | $107.73 | — |
| NV | — | $104.57 | — |
| NY | — | $104.57 | — |
| OH | — | $107.14 | — |
| OK | — | $107.73 | — |
| OR | — | $104.57 | — |
| PA | — | $104.57 | — |
| PR | — | $115.02 | — |
| RI | — | $104.57 | — |
| SC | — | $107.74 | — |
| SD | — | $108.31 | — |
| TN | — | $107.74 | — |
| TX | — | $107.73 | — |
| UT | — | $108.31 | — |
| VA | — | $104.57 | — |
| VI | — | $115.02 | — |
| VT | — | $104.57 | — |
| WA | — | $104.57 | — |
| WI | — | $107.14 | — |
| WV | — | $104.57 | — |
| WY | — | $108.31 | — |
How the L2405 fee compares
| Measure | Value |
|---|---|
| Rank among 5 L24 codes (lowest = 1) | 1 |
| Family fee range (average of state fees) | $106.61–$175.29 |
| Rural fee uplift | — |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 4 | Anatomic Consideration |
| outpatient hospital claims | 4 | Anatomic Consideration |
What changed for L2405
- 2026-01-01: Average state fee rose 2.0%: $104.52 to $106.61
- 1988-01-01: L2405 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 L2405?
L2405 is the HCPCS Level II code for addition to knee joint, drop lock, each. Short descriptor: "Knee joint drop lock ea jnt".
How much does Medicare pay for L2405?
Under the 2026 DMEPOS fee schedule, non-rural state fees are base (base fee): $104.57–$115.02. Rural fees can be higher.
Does Medicare cover L2405?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Did the Medicare fee for L2405 change in 2026?
The average non-rural state fee moved from $104.52 in 2025 to $106.61 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of L2405 can be billed per day?
4 on DME suppliers; 4 on outpatient hospital claims (NCCI medically unlikely edits).
Related L24 codes
- L2415 — Addition to knee lock with integrated release mechanism (bail, cable, or equal), any material, each joint ($145.69–$160.30)
- 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 L2405
- Watch L2405 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L2405
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.