L3921 HCPCS code: Hand finger orthosis, includes one or more nontorsion joints, elastic bands, turnbuckles, may include soft interface, straps, custom fabricated, includes fitting and adjustment
L3921 is the HCPCS Level II code for hand finger orthosis, includes one or more nontorsion joints, elastic bands, turnbuckles, may include soft interface, straps, custom fabricated, includes fitting and adjustment. The 2026 Medicare DMEPOS fee schedule pays $350.66 to $385.70 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 18% from 2022 to 2024 (357 to 292 services). In 2024, 122 suppliers billed Medicare for L3921 (purchases), serving 282 beneficiaries; California, Illinois, New York accounted for 72% of services. Its average fee ranks 17 of 38 L39 codes (family range $38.92–$3,752.58).
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 | 2006-01-01 |
| Last action effective | 2006-01-01 |
2026 Medicare DMEPOS fee schedule for L3921
| Modifier | Meaning | Lowest state fee | Highest state fee | Ceiling | Floor |
|---|---|---|---|---|---|
| — | base fee | $350.66 | $385.70 | $427.91 | $320.93 |
| State | Modifier | Fee | Rural fee |
|---|---|---|---|
| AK | — | $350.66 | — |
| AL | — | $361.18 | — |
| AR | — | $361.14 | — |
| AZ | — | $350.66 | — |
| CA | — | $350.66 | — |
| CO | — | $363.16 | — |
| CT | — | $350.66 | — |
| DC | — | $350.66 | — |
| DE | — | $350.66 | — |
| FL | — | $361.18 | — |
| GA | — | $361.18 | — |
| HI | — | $350.66 | — |
| IA | — | $357.47 | — |
| ID | — | $350.66 | — |
| IL | — | $359.28 | — |
| IN | — | $359.28 | — |
| KS | — | $357.47 | — |
| KY | — | $361.18 | — |
| LA | — | $361.14 | — |
| MA | — | $350.66 | — |
| MD | — | $350.66 | — |
| ME | — | $350.66 | — |
| MI | — | $359.28 | — |
| MN | — | $359.28 | — |
| MO | — | $357.47 | — |
| MS | — | $361.18 | — |
| MT | — | $363.16 | — |
| NC | — | $361.18 | — |
| ND | — | $363.16 | — |
| NE | — | $357.47 | — |
| NH | — | $350.66 | — |
| NJ | — | $350.66 | — |
| NM | — | $361.14 | — |
| NV | — | $350.66 | — |
| NY | — | $350.66 | — |
| OH | — | $359.28 | — |
| OK | — | $361.14 | — |
| OR | — | $350.66 | — |
| PA | — | $350.66 | — |
| PR | — | $385.70 | — |
| RI | — | $350.66 | — |
| SC | — | $361.18 | — |
| SD | — | $363.16 | — |
| TN | — | $361.18 | — |
| TX | — | $361.14 | — |
| UT | — | $363.16 | — |
| VA | — | $350.66 | — |
| VI | — | $385.70 | — |
| VT | — | $350.66 | — |
| WA | — | $350.66 | — |
| WI | — | $359.28 | — |
| WV | — | $350.66 | — |
| WY | — | $363.16 | — |
How the L3921 fee compares
| Measure | Value |
|---|---|
| Rank among 38 L39 codes (lowest = 1) | 17 |
| Family fee range (average of state fees) | $38.92–$3,752.58 |
| Rural fee uplift | — |
Who bills L3921 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 122 |
| Referring clinicians | 196 |
| Medicare beneficiaries | 282 |
| States with claims | 6 |
| Share of services in top 3 states (California, Illinois, New York) | 72% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 176 | 348 |
| 2023 | 145 | 292 |
| 2024 | 122 | 282 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for L3921, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 357 | 348 | $283.04 | $219.74 |
| 2023 | 302 | 292 | $316.84 | $244.55 |
| 2024 | 292 | 282 | $318.28 | $244.94 |
States with the most L3921 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 96 | $253.13 |
| Illinois | 27 | $268.26 |
| New York | 26 | $238.74 |
| Washington | 25 | $263.21 |
| Florida | 17 | $259.41 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 2 | Anatomic Consideration |
| outpatient hospital claims | 2 | Anatomic Consideration |
What changed for L3921
- 2026-01-01: Average state fee rose 2.0%: $350.45 to $357.46
- 2006-01-01: L3921 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 L3921?
L3921 is the HCPCS Level II code for hand finger orthosis, includes one or more nontorsion joints, elastic bands, turnbuckles, may include soft interface, straps, custom fabricated, includes fitting and adjustment. Short descriptor: "Hfo w/joint(s) cf".
How much does Medicare pay for L3921?
Under the 2026 DMEPOS fee schedule, non-rural state fees are base (base fee): $350.66–$385.70. Rural fees can be higher.
Does Medicare cover L3921?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Did the Medicare fee for L3921 change in 2026?
The average non-rural state fee moved from $350.45 in 2025 to $357.46 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.
How many units of L3921 can be billed per day?
2 on DME suppliers; 2 on outpatient hospital claims (NCCI medically unlikely edits).
Related L39 codes
- L3900 — Wrist hand finger orthosis, dynamic flexor hinge, reciprocal wrist extension/ flexion, finger flexion/extension, wrist or finger driven, custom fabricated ($920.35–$1,941.24)
- L3901 — Wrist hand finger orthosis, dynamic flexor hinge, reciprocal wrist extension/ flexion, finger flexion/extension, cable driven, custom fabricated ($1,227.04–$2,394.77)
- L3904 — Wrist hand finger orthosis, external powered, electric, custom fabricated ($2,345.68–$6,383.35)
- L3905 — Wrist hand orthosis, includes one or more nontorsion joints, elastic bands, turnbuckles, may include soft interface, straps, custom fabricated, includes fitting and adjustment ($1,082.62–$1,190.84)
- L3906 — Wrist hand orthosis, without joints, may include soft interface, straps, custom fabricated, includes fitting and adjustment ($380.72–$650.39)
- L3908 — Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf ($49.93–$125.86)
- L3912 — Hand finger orthosis (hfo), flexion glove with elastic finger control, prefabricated, off-the-shelf ($65.50–$172.42)
- L3913 — Hand finger orthosis, without joints, may include soft interface, straps, custom fabricated, includes fitting and adjustment ($295.66–$325.21)
- L3915 — Wrist hand orthosis, includes one or more nontorsion joint(s), elastic bands, turnbuckles, may include soft interface, straps, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise ($580.28–$638.37)
- L3916 — Wrist hand orthosis, includes one or more nontorsion joint(s), elastic bands, turnbuckles, may include soft interface, straps, prefabricated, off-the-shelf ($580.28–$638.37)
- L3917 — Hand orthosis, metacarpal fracture orthosis, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise ($115.37–$126.80)
- L3918 — Hand orthosis, metacarpal fracture orthosis, prefabricated, off-the-shelf ($115.37–$126.80)
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 L3921
- Watch L3921 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L3921
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.