HCPCS Code L3650: Shoulder Orthosis (SO), Figure-of-Eight Design Abduction Restrainer

Read our guide on HCPCS code L3650 to learn how to document, bill, and meet Medicare coverage rules for figure-of-eight shoulder braces.

Use Code

## **What is HCPCS Code L3650?** HCPCS code L3650 refers to a shoulder orthosis (SO) designed with a figure-of-eight configuration that functions as an abduction restrainer. It’s a prefabricated, off-the-shelf brace typically prescribed to stabilize the shoulder and limit abduction movement following injury, fracture, or surgery. This orthosis supports proper alignment of the body by keeping the shoulder joint in a neutral position and reducing strain during recovery. Because it’s prefabricated, only minimal adjustments are required at fitting—unlike custom-fabricated orthoses, which demand extensive modification by a qualified professional. Medicare and other insurers classify this as the appropriate code for upper-limb orthoses under the Durable Medical Equipment, Prosthetics, Orthotics, and Supplies (DMEPOS) benefit. To qualify for coverage, documentation must demonstrate medical necessity. This device is distinct from orthoses designed for other areas of the body, such as the wrist.

## **HCPCS code L3650 documentation requirements** According to CMS and Medicare Administrative Contractor (MAC) guidance, coverage for L3650 depends on detailed, medically supported documentation. Provider and supplier records should include: - A clinical note describing the patient’s condition and the medical need for shoulder immobilization or abduction restriction. - Confirmation that a prefabricated, off-the-shelf figure-of-eight shoulder orthosis was dispensed as an abduction restrainer. - The date and reason for issuance—whether for an initial device or a replacement. - Justification for replacement within the reasonable useful lifetime (RUL) if applicable. Medicare typically considers the RUL for shoulder orthoses to be five years. - If requesting prior approval from a commercial or Medicaid payer, include the diagnosis, treatment goals, and justification for the orthosis. (Note: Medicare FFS does not require prior authorization for L3650.) - For repairs or parts, documentation must specify what was repaired, why it was necessary, and reference any applicable HCPCS repair codes. These documentation elements help ensure compliance with the Medicare Program Integrity Manual and reduce denials for insufficient medical justification.

## **HCPCS code L3650 billing requirements** Billing for L3650 must accurately reflect the device provided and comply with all DMEPOS and MAC-specific billing rules: - L3650 applies only to prefabricated, off-the-shelf figure-of-eight shoulder orthoses. - Claims for the same item within the five-year RUL are generally denied unless documentation supports loss, theft, damage, or a significant change in medical condition. - Medicare FFS does not require prior authorization for this code; however, some private insurers and Medicaid plans may. - Provider and supplier records must match and show the medical need, date of service, and delivery confirmation. - Use the RT (right) or LT (left) modifier. When both shoulders are treated, bill on two separate claim lines—one for each side—with one unit of service (UOS) per line. - Payment rates depend on locality and are based on Medicare’s DMEPOS fee schedule. Incomplete or mismatched documentation between provider and supplier notes is a common cause of claim denials.

## **Other relevant codes** - **L3649**: Orthopedic shoe, modification, addition, or transfer, not otherwise specified - **L3660**: Shoulder orthosis, figure of eight design abduction restrainer, canvas and webbing, prefabricated, off-the-shelf. - **L3670**: Shoulder orthosis (SO), acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf - **L3671**: Shoulder orthosis (SO), shoulder joint design, without joints, may include soft interface, straps, custom fabricated, includes fitting and adjustment. - **L3674**: Shoulder orthosis (SO), abduction positioning (airplane design), thoracic component and support bar, with or without nontorsion joint/turnbuckle, may include soft interface, straps, custom fabricated, includes fitting and adjustment - **L3675**: Shoulder orthosis (SO), vest-type abduction restrainer, canvas webbing type or equal, prefabricated, off-the-shelf - **L3677:** Shoulder orthosis (SO), shoulder joint design, without joints, may include soft interface, straps, a prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise - **L3678**: Shoulder orthosis (SO), shoulder joint design, without joints, may include soft interface, straps, prefabricated, off-the-shelf

Frequently asked questions

L3650 identifies a prefabricated, off-the-shelf figure-of-eight shoulder orthosis that functions as an abduction restrainer to immobilize and support the shoulder after injury or surgery.

Yes. Medicare covers L3650 under DMEPOS when medical necessity and documentation criteria are met.

Billing requires accurate coding for a prefabricated shoulder orthosis, proper documentation of medical necessity, adherence to the five-year RUL, and correct use of RT/LT modifiers. Payment is subject to the Medicare DMEPOS fee schedule, and prior authorization is not required under Medicare FFS.