L3956 HCPCS code: Addition of joint to upper extremity orthosis, any material; per joint
L3956 is the HCPCS Level II code for addition of joint to upper extremity orthosis, any material; per joint. 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.
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 | 1997-01-01 |
| Last action effective | 1997-01-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 4 | Clinical: CMS Workgroup |
| outpatient hospital claims | 4 | Clinical: CMS Workgroup |
What changed for L3956
- 1997-01-01: L3956 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 L3956?
L3956 is the HCPCS Level II code for addition of joint to upper extremity orthosis, any material; per joint. Short descriptor: "Add joint upper ext orthosis".
Does Medicare cover L3956?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of L3956 can be billed per day?
4 on DME suppliers; 4 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)
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Next steps
- Run a reimbursement report for a device billed under L3956
- Watch L3956 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L3956
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; 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.