L6031 HCPCS code: Replacement socket/interface, partial hand including fingers, molded to patient model, for use with or without external power
L6031 is the HCPCS Level II code for replacement socket/interface, partial hand including fingers, molded to patient model, for use with or without external power. 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 | 46 — Priced by the Medicare contractor (no national fee) |
| BETOS category | D1F — Prosthetic and orthotic devices |
| Added | 2025-04-01 |
| Last action effective | 2025-04-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 4 | Nature of Equipment |
| outpatient hospital claims | 4 | Nature of Equipment |
What changed for L6031
- April 2025: Code appears in this HCPCS release
- 2025-04-01: L6031 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 L6031?
L6031 is the HCPCS Level II code for replacement socket/interface, partial hand including fingers, molded to patient model, for use with or without external power. Short descriptor: "Rep interface handfng molded".
Does Medicare cover L6031?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of L6031 can be billed per day?
4 on DME suppliers; 4 on outpatient hospital claims (NCCI medically unlikely edits).
Related L60 codes
- L6000 — Partial hand, thumb remaining ($1,145.38–$2,941.25)
- L6010 — Partial hand, little and/or ring finger remaining ($1,145.38–$3,328.97)
- L6020 — Partial hand, no finger remaining ($1,186.07–$3,048.37)
- L6025 — Transcarpal/metacarpal or partial hand disarticulation prosthesis, external power, self-suspended, inner socket with removable forearm section, electrodes and cables, two batteries, charger, myoelectric control of terminal device
- L6026 — Transcarpal/metacarpal or partial hand disarticulation prosthesis, external power, self-suspended, inner socket with removable forearm section, electrodes and cables, two batteries, charger, myoelectric control of terminal device, excludes terminal device(s) ($4,589.94–$6,119.92)
- L6028 — Partial hand, finger, and thumb prosthesis without prosthetic digit(s)/thumb, amputation at metacarpal level, including flexible or non-flexible interface, molded to patient model, including palm, for use without external power and/or passive prosthetic digit/thumb, not including inserts described by l6692
- L6029 — Upper extremity addition, test socket/interface, partial hand including fingers
- L6030 — Upper extremity addition, external frame, partial hand including fingers
- L6032 — Addition to upper extremity prosthesis, partial hand including fingers, ultralight material (titanium, carbon fiber or equal)
- L6033 — Addition to upper extremity prosthesis, partial hand including fingers, acrylic material
- L6034 — Partial hand, finger, and thumb prosthesis without prosthetic digit(s)/thumb, amputation at distal to metacarpal joint, including flexible or non-flexible interface, molded to patient model, for use without external power and/or passive prosthetic digit/thumb, not including inserts described by l6692
- L6035 — Single prosthetic digit, mechanical, can include metacarpophalangeal (mcp), proximal interphalangeal (pip), and/or distal interphalangeal (dip) joint(s), with or without locking mechanism, can include flexion or extension assist, any material, attachment, initial issue or replacement
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Next steps
- Run a reimbursement report for a device billed under L6031
- Watch L6031 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for L6031
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.