Summary & Overview
HCPCS L2380: Lower Extremity Torsion Control Straight Knee Joint
HCPCS Level II code L2380 represents an orthotic component described as an addition to the lower extremity for torsion control with a straight knee joint, billed per joint. Nationally, this code matters as part of management for patients requiring mechanical stabilization or torsion control of the knee within lower-extremity orthoses. Proper coding affects durable medical equipment coverage, claims adjudication, and clinical documentation for orthotic supply and fabrication.
Key payers referenced include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical role of the device, common payer coverage contexts, and the typical sites where the service is furnished. The publication also outlines common modifiers seen on claims and other administrative considerations relevant to billing this orthotic component.
The report provides operational benchmarks, payer policy summaries where available, and the clinical context for use of torsion-control knee joints in lower-extremity orthoses. Data not available in the input is noted where applicable. The content is intended for billing managers, orthotics and prosthetics clinicians, and policy analysts seeking a concise reference on L2380 and its place in orthotic service lines.
Billing Code Overview
HCPCS Level II code L2380 describes an addition to lower extremity, torsion control, straight knee joint, each joint. The service is an orthotic component intended to provide torsion control at the knee for a lower-extremity orthosis. Typical site of service is outpatient orthotics/prosthetics clinics or ambulatory surgical centers when applied as part of brace fabrication or adjustment, and it may also be furnished in physician offices or durable medical equipment providers where lower-extremity orthoses are delivered.
Clinical & Coding Specifications
Clinical Context
A patient is evaluated in an outpatient orthopedic clinic for progressive medial knee pain, perceived instability, and difficulty with ambulation following prior lower extremity trauma and persistent torsional deformity of the tibia. Physical examination demonstrates abnormal rotational alignment with a positive torsion test and limited knee extension. Radiographs and CT rotational profile confirm malrotation contributing to patellofemoral maltracking and symptomatic instability. The orthopedic surgeon plans operative correction that includes placement of an orthotic addition to the lower extremity device: a straight knee joint with torsion control to be attached to a custom or prefabricated knee-ankle-foot orthosis. The clinical workflow includes preoperative evaluation, orthotist measurement and component selection, device fabrication or modification, intraoperative or clinic-based fitting of the L2380 torsion control straight knee joint (each joint), gait assessment, and follow-up adjustments. Typical sites of service are outpatient orthotics clinic, ambulatory surgical center, or hospital outpatient department when combined with other surgical procedures or anesthesia.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
LT | Left side | When the L2380 joint is provided for the left lower extremity |