Summary & Overview
HCPCS L3918: Hand Orthosis, Metacarpal Fracture, Prefabricated
HCPCS Level II code L3918 designates a prefabricated, off-the-shelf hand orthosis intended for metacarpal fractures. The code identifies a commonly used durable medical equipment (DME) item for immobilization and protection of the hand following acute injury or during recovery. Nationally, prefabricated orthoses like those described by L3918 matter because they are widely used across outpatient settings and orthotics suppliers for rapid, cost-conscious treatment of hand fractures.
Key payers included in this overview are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise summary of clinical context for L3918, typical sites of service, and the role of prefabricated orthoses in care pathways. The publication also outlines what to expect from payer coverage policies and billing practice: benchmarking for utilization and reimbursement is discussed where available, common billing modifiers and administrative considerations are summarized, and potential policy or coding clarifications that affect claims processing are highlighted.
This resource is designed to inform billing staff, compliance officers, and clinicians about the coding purpose and operational considerations related to HCPCS Level II code L3918, enabling clear documentation and alignment with payer policies.
Billing Code Overview
HCPCS Level II code L3918 describes a hand orthosis, metacarpal fracture orthosis, prefabricated, off-the-shelf device. This code represents a ready-made (prefabricated) supportive orthotic intended to stabilize and protect the metacarpal region of the hand following fracture or related injury.
Service Type: Durable Medical Equipment / Orthotic Device
Typical Site of Service: Outpatient clinics, orthotics/prosthetics suppliers, ambulatory surgery centers, and other outpatient care settings where off-the-shelf orthoses are provided or fitted.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 28-year-old manual laborer who presents to an urgent care or outpatient orthopedic clinic after sustaining a nondisplaced metacarpal shaft fracture of the hand while punching a wall. The patient reports localized pain, swelling, and decreased grip strength. Physical exam demonstrates focal tenderness over the affected metacarpal, minimal rotational deformity, and intact neurovascular status. Plain radiographs confirm a stable, nondisplaced transverse fracture of the fifth metacarpal.
The clinical workflow includes: initial evaluation and radiographic confirmation, closed reduction if needed, and conservative immobilization. For stable, nondisplaced or minimally displaced metacarpal fractures, a prefabricated, off-the-shelf metacarpal fracture orthosis is selected to immobilize the metacarpal and allow early functional use. The orthosis (L3918) is measured and fitted in clinic by a hand therapist or orthotist; patient education is provided on wear schedule, skin checks, activity restrictions, and follow-up imaging. Follow-up visits at 1–2 weeks and 6 weeks reassess pain, alignment, and radiographic healing, with progression to range-of-motion exercises when appropriate.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
LT / RT | Left side / Right side |