L3891 Upper-Extremity Orthotic Reimbursement | OpenPayer

Summary & Overview

HCPCS L3891: Concentric Adjustable Torsion Mechanism for Upper-Extremity Orthosis

HCPCS Level II code L3891 designates a concentric adjustable torsion mechanism added to a custom-fabricated upper-extremity orthotic for the wrist or elbow, billed per device. This code matters nationally as custom orthotic components are integral to restoring function and managing joint instability or spasticity in upper-extremity rehabilitation; clear coding supports appropriate coverage determinations and consistent billing for suppliers and clinicians. Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will find a concise review of what L3891 represents clinically and operationally, the typical sites of service where this component is supplied, and which major payers commonly cover similar orthotic components. The publication includes benchmarks and payer policy highlights where available, coding context to inform billing lines for orthotics services, and notes on documentation elements typically associated with custom-fabricated orthotic components. Data not available in the input will be noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareL3891HCPCS Level IIupper extremity orthoticswrist orthosiselbow orthosiscustom-fabricated orthoticsdurable medical equipmentorthotics billing

Billing Code Overview

HCPCS Level II code L3891 describes an addition to an upper extremity joint (wrist or elbow): a concentric adjustable torsion-style mechanism intended for custom-fabricated orthotics only, billed per device (each). The service type is orthotic device component for custom upper-extremity orthoses, and the typical site of service is durable medical equipment or orthotics provision settings such as orthotics/prosthetics clinics, outpatient rehabilitation clinics, or specialty prosthetics suppliers.

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 56-year-old right-hand-dominant patient presents to a custom orthotics clinic after a distal radius fracture with persistent wrist instability and limited forearm rotation despite healing. The patient reports pain with activities of daily living and reduced ability to grip or perform rotation tasks. An orthotist evaluates the patient and determines a custom-fabricated wrist/forearm orthosis with an added concentric adjustable torsion-style joint is indicated to restore controlled pronation-supination and provide adjustable resistance.

The clinical workflow includes: referral from an orthopedic surgeon or hand therapist; measurement and casting of the upper extremity for a custom device; fabrication in a certified orthotic laboratory with incorporation of the concentric adjustable torsion mechanism; fitting and adjustment by the orthotist; patient instruction on use, care, and progressive adjustments during follow-up visits. Typical authorization and documentation include the treating provider’s prescription, clinical notes documenting functional impairment and goals, and detailed orthotist fabrication and fitting records.

Coding Specifications

Modifier	Description	When to Use
`LT`	Left side	Use when the device is for the left upper extremity.
`RT`

HCPCS L3660: Shoulder Orthosis, Figure-of-Eight Abduction Restraint

HCPCS-L3410-METATARSAL-BAR-WEDGE-BETWEEN-SOLE

HCPCS L3410: Metatarsal Bar Wedge, Between Sole

HCPCS-L0626-LUMBAR-ORTHOSIS-SAGITTAL-CONTROL-PREFAB-CUSTOMIZED

HCPCS L0626: Lumbar Orthosis with Sagittal Control, Prefabricated Customized

HCPCS-L1932-RIGID-CARBON-FIBER-ANKLE-FOOT-ORTHOSIS-PREFABRICATED-CUSTOMIZED

HCPCS L1932: Rigid Carbon-Fiber Ankle-Foot Orthosis, Prefabricated Customized

HCPCS-L3918-HAND-ORTHOSIS-METACARPAL-FRACTURE-PREFABRICATED-OTS

HCPCS L3918: Hand Orthosis, Metacarpal Fracture, Prefabricated

HCPCS-L0643-LUMBAR-SACRAL-ORTHOSIS-SAGITTAL-CONTROL-PREFAB

HCPCS L0643: Lumbar-Sacral Orthosis, Sagittal Control, Prefabricated

HCPCS-L3912-HAND-FINGER-ORTHOSIS-FLEXION-GLOVE-PREFABRICATED

HCPCS L3912: Hand Finger Orthosis, Flexion Glove, Prefabricated

HCPCS-L3931-WRIST-HAND-FINGER-PREFABRICATED-ORTHOSIS

HCPCS L3931: Wrist-Hand-Finger Prefabricated Orthosis

HCPCS-L3995-UPPER-EXTREMITY-ORTHOSIS-SOCK-FRACTURE-ADDITION

HCPCS L3995: Addition to Upper Extremity Orthosis, Sock for Fracture

HCPCS-L3222-ORTHOPEDIC-MENS-HIGH-TOP-DEPTH-INLAY-SHOE

HCPCS L3222: Orthopedic Men's High-Top Shoe with Depth Inlay

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Taxonomy Code	Specialty	Notes
`252S00000X`	Prosthetics & Orthotics	Orthotists who fabricate and fit custom orthoses.
`207LH0000X`	Physical Medicine & Rehabilitation (Physiatry)	Physiatrists prescribing and managing orthotic treatment.
`207VN0102X`	Orthopedic Hand Surgery	Orthopedic surgeons specializing in hand/wrist injuries who prescribe custom orthoses.
`261QM0800X`	Occupational Therapy	Occupational therapists involved in fitting and functional training with orthoses.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`M24.831`	Other specific joint derangements, right wrist	Wrist instability or residual derangement indicating need for stabilizing orthosis.
`M24.832`	Other specific joint derangements, left wrist	Same as above for the left side.
`S52.501A`	Unspecified fracture of lower end of right radius, initial encounter for closed fracture	Common fracture leading to wrist instability and need for a custom orthosis after healing.
`S52.502A`	Unspecified fracture of lower end of left radius, initial encounter for closed fracture	Same as above for left-sided injuries.
`M25.631`	Pain in right wrist	Symptom commonly managed with supportive orthosis incorporating adjustable torsion for pain control and function.
`M25.632`	Pain in left wrist	Same as above for the left side.
`M20.041`	Hallux valgus (right)	Data not relevant to upper extremity orthosis; Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`97760`	Orthotic management and training, upper extremity, initial encounter; includes assessment, fitting, and training in use	Performed by occupational or physical therapist for training and documenting function after delivery of the custom orthosis.
`97763`	Orthotic/prosthetic management and training, upper extremity, subsequent encounter	Used for follow-up adjustments and ongoing training after initial fitting.
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	Common provider visit code for the prescribing clinician to evaluate the need for a custom orthosis and document medical necessity.
`20610`	Arthrocentesis, aspiration and/or injection; major joint or bursa (e.g., elbow)	May be performed prior to fabrication if diagnostic or therapeutic injection is part of the treatment plan for wrist/forearm pathology.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or other services	Used when additional materials or components for customization are not included in the orthotic fabrication fee.

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