L5706 HCPCS Reimbursement & Policy Benchmarks | OpenPayer

Summary & Overview

HCPCS L5706: Custom Protective Cover for Knee Disarticulation

HCPCS Level II code L5706 denotes a custom shaped protective cover for a knee disarticulation residual limb. This prosthetic accessory is used to protect, cushion, and shape the residual limb at the site of a knee disarticulation amputation. Nationally, such accessory codes matter for ensuring appropriate coverage and durable medical equipment management for post-amputation care.

Key payers considered include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code's clinical role, typical sites of service, and the payer landscape addressed in this publication. The analysis highlights common billing modifiers and administrative considerations, typical clinical context for use, and how payers commonly process prosthetic accessory claims.

The report is designed to help billing staff, prosthetists, and policy analysts understand coding designation, common billing practice implications, and administrative benchmarks where available. Data not available in the input is identified explicitly. The content does not provide treatment recommendations but focuses on coding description, payer coverage context, and administrative guidance relevant to national stakeholders.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareL5706HCPCS Level IIprosthetic accessoryknee disarticulationprotective coverprostheticsmedical billingdurable medical equipment

Billing Code Overview

HCPCS Level II code L5706 describes a custom shaped protective cover for a knee disarticulation residual limb. This item is a prosthetic accessory designed to protect and cushion the residual limb after a knee disarticulation amputation.

Service type: Prosthetic accessory, protective cover
Typical site of service: Prosthetics clinic, outpatient prosthetic fitting facility, inpatient rehabilitation setting

Clinical & Coding Specifications

Clinical Context

A patient with a below-knee amputation at the knee disarticulation level presents to a prosthetics clinic for fitting of a L5706 custom-shaped protective cover designed to fit over the residual limb and prosthetic interface. Typical patients include those with traumatic amputation, vascular insufficiency with limb salvage attempts resulting in knee disarticulation, or oncologic resection requiring limb-sparing reconstruction. The clinical workflow begins with a prosthetist evaluation and measurement of the residual limb, a patient functional assessment, and documentation of wound stability and skin integrity. A custom mold or digital scan is created, the protective cover is fabricated to the knee disarticulation shape and materials specified, and the device is delivered and adjusted during a follow-up visit. Routine documentation includes the diagnosis supporting need, history of previous prosthetic use, limb measurements, the custom fabrication order, manufacturer specifications, delivery date, patient education on use and skin care, and follow-up plan for adjustments or replacement. Payors commonly billed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare using L5706 and appropriate modifiers for professional or billing circumstances.

Coding Specifications

Modifier	Description	When to Use
`26`

HCPCS Level II L6010: Partial Hand, Little and/or Ring Finger Remaining

HCPCS-L8440-PROSTHETIC-SHRINKER-BELOW-KNEE

HCPCS L8440: Prosthetic Shrinker, Below Knee, Each

HCPCS-L8417-PROSTHETIC-SHEATH-SOCK-GEL-CUSHION-BELOW-OR-ABOVE-KNEE

HCPCS L8417: Prosthetic Sheath/Sock with Gel Cushion, Below or Above Knee

HCPCS-L6000-PARTIAL-HAND-THUMB-REMAINING-PROSTHESIS

HCPCS L6000: Partial Hand Prosthesis, Thumb Remaining

HCPCS-L5830-ENDOSKELETAL-KNEE-SHIN-SINGLE-AXIS-PNEUMATIC-SWING-PHASE

HCPCS L5830: Endoskeletal Knee-Shin, Single-Axis Pneumatic Swing-Phase Control

HCPCS-L8680-IMPLANTABLE-NEUROSTIMULATOR-ELECTRODE

HCPCS L8680: Implantable Neurostimulator Electrode

HCPCS-LEVEL-II-L6615-UPPER-EXTREMITY-LOCKING-WRIST-UNIT-DISCONNECT

HCPCS Level II L6615: Upper Extremity Addition, Disconnect Locking Wrist Unit

HCPCS-L5978-LOWER-EXTREMITY-MULTIAXIAL-ANKLE-FOOT-PROSTHESIS

HCPCS L5978: Lower Extremity Prosthesis, Multiaxial Ankle/Foot

HCPCS-L5961-POLYCENTRIC-HIP-JOINT-PNEUMATIC-HYDRAULIC-ROTATION-CONTROL

HCPCS L5961: Endoskeletal Polycentric Hip Joint with Pneumatic/Hydraulic Control

HCPCS-L7180-ELECTRONIC-ELBOW-MICROPROCESSOR-CONTROL

HCPCS L7180: Electronic Elbow with Microprocessor Sequential Control

Showing 1–10 of 472

Taxonomy Code	Specialty	Notes
`None`	Prosthetist / Orthotist	Primary provider specialized in fabrication, fitting, and adjustments of custom protective covers.
`None`	Physical Medicine & Rehabilitation (Physiatry)	Physician oversight for functional assessment and therapy coordination.
`None`	Orthopedic Surgery	Surgical management of amputation or revision that necessitates prosthetic device provision.
`None`	Plastic Surgery	In cases of complex soft-tissue management around the residual limb prior to definitive prosthetic fitting.
`None`	Wound Care / Vascular Surgery	For patients whose vascular status or wound healing impacts timing and suitability of the custom cover.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Z89.611`	Acquired absence of right leg above knee	Represents an above-knee/knee-disarticulation level residual limb where a custom protective cover is indicated to protect the residual limb and interface.
`Z89.612`	Acquired absence of left leg above knee	Same relevance for left-sided knee disarticulation.
`S98.91XA`	Unspecified open wound, lower limb, initial encounter	Open wounds or complex closure at the residual limb can necessitate custom protective covers once healed.
`I70.231`	Atherosclerosis of native arteries of the right leg with ulceration of calf	Peripheral vascular disease leading to amputation and need for prosthetic components and protective covers.
`T84.81XA`	Complication of internal joint prosthesis, initial encounter	Device or residual-limb complications requiring protective covering or adjustments to prosthetic interfaces.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`97760`	Orthotic(s) and/or prosthetic(s) initial fitting and training, upper or lower extremity, lower — initial encounter	Used for the initial fitting and patient training when the custom knee-disarticulation protective cover is delivered.
`97761`	Prosthetic training, specific to activities of daily living, initial	Used when the patient requires structured training with the prosthetic and protective cover for ADLs following delivery.
`97763`	Prosthetic training, subsequent	Used for follow-up training sessions and adjustments after the initial fitting.
`99070`	Supplies and materials (except spectacles) provided by the physician over and above those usually included with the office visit	Used for billing non-covered or additional materials supplied at time of fitting when payor policy requires supply charge.
`99456`	Work related or medical disability examination services, other than initial; determination of impairment/disability	Used when an impairment evaluation or functional capacity assessment related to the amputation and prosthetic needs is performed as part of the clinical workflow.
`A9270`	Non-covered item or service	Used by some suppliers for reporting items not covered by insurance; applicability depends on payor coverage rules and should be used per payer guidance.

OpenPayer