L3904 Wrist-Hand-Finger Orthosis HCPCS Reimbursement | OpenPayer

Summary & Overview

HCPCS L3904: Wrist-Hand-Finger Orthosis, Electrically Powered, Custom Fabricated

HCPCS Level II code L3904 represents a custom-fabricated, electrically powered wrist-hand-finger orthosis intended to support or restore upper-extremity function. This code is relevant nationally because powered orthoses can be high-cost durable medical equipment with important implications for coverage policy, clinical rehabilitation pathways, and utilization management. Payers commonly engaged in coverage and reimbursement for this device include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of what L3904 denotes, the clinical contexts in which powered wrist-hand-finger orthoses are used, and the policy and billing considerations that affect access and payment. The publication outlines benchmarks for utilization and payment (where available), common billing and documentation expectations, and summaries of payer coverage trends and policy updates. It also offers clinical context about indications for custom-fabricated powered upper-extremity orthoses and typical sites of service where the device is provided. Data not available in the input will be noted as such in relevant sections.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareL3904HCPCS Level IIupper extremity orthosisdurable medical equipmentcustom fabricatedpowered orthosisrehabilitationprosthetics orthotics

Billing Code Overview

HCPCS Level II code L3904 describes a wrist-hand-finger orthosis, external powered, electric, custom fabricated. This item is a custom-made, electrically powered upper-extremity orthotic device designed to support or assist wrist, hand, and finger function.

Service type: Prosthetic/orthotic device provision and custom fabrication
Typical site of service: Durable medical equipment suppliers, outpatient rehabilitation clinics, and specialty orthotics/prosthetics facilities

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 52-year-old patient with significant right wrist and hand weakness following a cervical spinal cord injury is evaluated by a physiatrist and occupational therapist for functional restoration. The patient demonstrates inadequate active wrist and finger extension, limiting activities of daily living such as grasping and releasing objects. After trialing conservative therapy and a myoelectric control assessment, the interdisciplinary team prescribes a custom-fabricated, externally powered electric wrist-hand-finger orthosis coded as L3904. The workflow includes initial evaluation, electrode/mode selection and trial, custom casting or digital scanning, fabrication of the device with integrated electric actuators and control electronics, device fitting and programming, patient training for donning/doffing and control strategies, and scheduled follow-up visits for adjustments and durability checks.

Coding Specifications

Modifier	Description	When to Use
`26`	Professional component	Use when billing only the professional component of a service related to device fitting or programming performed by a qualified clinician.
`50`

HCPCS L2020: Knee Ankle Foot Orthosis, Double Upright, Custom Fabricated

HCPCS-L2620-LOWER-EXTREMITY-PELVIC-CONTROL-HIP-JOINT-HEAVY-DUTY

HCPCS L2620: Lower Extremity Orthotic Addition, Pelvic Control Hip Joint

HCPCS-L1840-KNEE-ORTHOSIS-DEROTATION-MEDIAL-LATERAL-ACL-CUSTOM

HCPCS L1840: Knee Orthosis, Derotation and Medial-Lateral Stabilization

HCPCS-L3674-SHOULDER-ORTHOSIS-ABDUCTION-AIRPLANE-DESIGN

HCPCS L3674: Shoulder Orthosis, Abduction (Airplane) Design

HCPCS-L1200-THORACIC-LUMBAR-SACRAL-ORTHOSIS-TLSO-INITIAL-FURNISH

HCPCS L1200: Thoracic-Lumbar-Sacral Orthosis (TLSO), Initial Furnish

HCPCS-L2280-LOWER-EXTREMITY-MOLDED-INNER-BOOT

HCPCS L2280: Addition to Lower Extremity Molded Inner Boot

HCPCS-L3980-HUMERAL-UPPER-EXTREMITY-FRACTURE-ORTHOSIS-PREFABRICATED

HCPCS L3980: Upper Extremity Humeral Fracture Orthosis, Prefabricated

HCPCS-L3100-HALLUS-VALGUS-NIGHT-DYNAMIC-SPLINT

HCPCS L3100: Hallus-Valgus Night Dynamic Splint, Prefabricated

HCPCS-L3678-SHOULDER-ORTHOSIS-PREFABRICATED-OFF-THE-SHELF

HCPCS Level II L3678: Shoulder Orthosis, Prefabricated Off-the-Shelf

HCPCS-L3230-ORTHOPEDIC-CUSTOM-DEPTH-INLAY-SHOE

HCPCS L3230: Orthopedic Footwear, Custom Shoe with Depth Inlay

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Taxonomy Code	Specialty	Notes
235X00000X	Physical Medicine & Rehabilitation	Physiatrists manage overall functional goals, evaluations, and device prescriptions.
223Y00000X	Occupational Therapy	Occupational therapists perform functional assessments, trials, training, and device fitting.
225100000X	Prosthetics & Orthotics	Certified prosthetists/orthotists design and fabricate custom externally powered orthoses.
208000000X	Orthopedic Surgery	Orthopedic surgeons may be involved when surgical history or implants affect orthosis design.
367A00000X	Neurology	Neurologists provide diagnosis and management for neurologic conditions driving orthosis need.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`G82.20`	Paraplegia, unspecified	Patients with lower motor involvement may require upper extremity externally powered orthoses when cervical injury extends functionally.
`G82.50`	Quadriplegia, unspecified	Quadriplegic patients often need externally powered wrist-hand-finger orthoses for restoration of grasp and release.
`G83.4`	Cauda equina syndrome	Lower motor neuron deficits can affect hand function in select cases requiring powered orthosis intervention.
`S14.109A`	Unspecified injury of cervical spinal cord, initial encounter	Traumatic cervical cord injuries frequently produce hand/wrist paralysis necessitating custom powered orthoses.
`M62.81`	Muscle weakness (generalized)	Significant focal upper extremity weakness impacting function may be an indication for an externally powered orthosis.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`97760`	Orthotic management and training, upper extremity(s), initial device	Performed during initial fitting and patient training for the custom electric wrist-hand-finger orthosis.
`97763`	Orthotic and prosthetic management and training, lower extremity, for prosthesis/orthosis; subsequent	Not directly for upper extremity; Data not available in the input.
`97003`	Application of a modality to one or more areas; electrical stimulation (manual), each 15 minutes	May be used during pre-prosthetic neuromuscular re-education or myoelectric control assessment sessions.
`99070`	Supplies and materials provided by the physician over and above those usually included with the office visit	Use for additional non-standard components or supplies during fitting not included in the orthosis code.
`A9270`	Non-covered item or service	Included when billing systems require identification of non-covered supplies related to the device.

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