Summary & Overview
HCPCS L5696: Addition to Above-Knee Lower Extremity Prosthesis, Pelvic Joint
HCPCS Level II code L5696 denotes an addition to a lower extremity prosthesis for patients with above-knee or knee-disarticulation amputations when a pelvic joint is incorporated into the prosthetic assembly. Nationally relevant because prosthetic components for transfemoral fittings affect device function, mobility outcomes, and durable medical equipment coverage policies across payers. Coverage decisions and coding accuracy impact member access, claims processing, and reimbursement patterns for complex prosthetic fittings.
Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical and billing context for L5696, common payer approaches to coverage, and what to expect in claims submission for prosthetic additions. The publication provides benchmark considerations, typical sites of service, and common modifiers used in prosthetic billing where available. It also outlines clinical scenarios in which a pelvic joint addition is clinically relevant for above-knee and knee-disarticulation patients.
Data not available in the input for payer-specific fee schedules, taxonomies, ICD-10 pairings, and related codes. The content focuses on national applicability and coding clarity rather than state-specific policy.
Billing Code Overview
HCPCS Level II code L5696 describes an addition to a lower extremity prosthesis specifically for above-knee or knee disarticulation fittings that include a pelvic joint. This code applies to a component added to an existing lower limb prosthetic system to provide pelvic joint function for patients with transfemoral or knee-disarticulation-level limb loss.
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Service type: Prosthetic component provision/adjustment
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Typical site of service: Durable medical equipment suppliers, prosthetics and orthotics clinics, ambulatory surgical centers for associated fittings and adjustments
Clinical & Coding Specifications
Clinical Context
A 62-year-old patient with a prior above-knee amputation presents for fitting of a new prosthetic system. The residual limb is stable and healed after prior surgery; the patient is being fitted for a pelvic joint addition to a previously issued lower extremity prosthesis designed for above-knee or knee disarticulation. The clinical workflow includes a prosthetist assessment, measurement and casting of the residual limb, selection of an appropriate pelvic joint component to restore stability and gait mechanics, modification of the existing socket or pylon as required, bench alignment, and a subsequent fitting and gait training session. Documentation includes the original prosthesis prescription, justification for the pelvic joint addition, details of the existing device being modified (serial number, manufacture date), clinical measurements, functional goals, and a signed plan of care. Billing uses HCPCS code L5696 for the addition to a lower extremity prosthesis (above knee or knee disarticulation) specifically describing the pelvic joint component, with applicable modifier(s) to indicate laterality, service type, or unusual circumstances and an ICD-10 diagnosis that supports the need for the prosthetic modification (for example, amputation status, post-amputation complications, or mobility impairment). Typical sites of service are an outpatient prosthetics clinic, rehabilitation facility, or orthotics and prosthetics provider office. The patient encounter often includes interdisciplinary input from a prosthetist, physical therapist, and the referring surgeon or physiatrist to optimize alignment and functional outcome.
Coding Specifications
| Modifier | Description | When to Use |
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