Summary & Overview
HCPCS L3570: Orthopedic Shoe Addition, Instep Extension (Leather with Eyelets)
HCPCS Level II code L3570 denotes an orthopedic shoe addition: a special extension to the instep made of leather with eyelets. This code is used to report a specific footwear modification component supplied to patients who require an altered instep profile for fit, comfort, or functional need. Nationwide, accurate coding for orthopedic shoe additions affects durable medical equipment (DME) benefits, claim adjudication, and patient access to necessary footwear modifications.
Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of what L3570 represents clinically and operationally, typical sites of service where the item is provided, and the common payer landscape relevant to coverage and billing. The publication also outlines the benchmarks and coding considerations that frequently arise with footwear add-ons, common documentation elements payers require, and where to look for policy guidance.
This national-level summary is intended for billing professionals, DME suppliers, orthotists, and policy analysts seeking a focused reference on coding and administrative context for L3570. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code L3570 describes an orthopedic shoe addition consisting of a special extension to the instep constructed of leather with eyelets. This item is an add-on component to an orthopedic shoe or custom shoe modification intended to accommodate or support foot and instep deformities, provide improved fit, or allow easier donning by the patient.
Service type: Orthotic shoe modification / orthopedic footwear component
Typical site of service: Durable medical equipment suppliers, orthotics/prosthetics clinics, and outpatient specialty clinics
Clinical & Coding Specifications
Clinical Context
A 68-year-old patient with long-standing diabetic neuropathy and a history of forefoot ulceration presents to an orthotics clinic for footwear modification to accommodate a high instep and recurring pressure over the dorsum of the foot. The orthotist performs an evaluation, documents the need for a leather special extension to the instep with eyelets to allow better lacing and volume accommodation, and prescribes an orthopedic shoe addition billed with code L3570. The workflow includes measurement and molding, fabrication or modification of the shoe by a certified orthotic technician, a fitting visit to verify pressure relief and fit, and a follow-up to assess wound healing or pressure redistribution.
Typical site of service is an outpatient orthotics/prosthetics clinic, durable medical equipment supplier, podiatry clinic, or hospital outpatient department. The procedure commonly involves collaboration among a prescribing physician (podiatrist, orthopedist, or primary care physician), an orthotist/technician who fabricates or modifies the shoe, and clinical support staff who document medical necessity, perform measurements, and schedule follow-up visits.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Professional component | Use when reporting the professional component of a service provided separately from the technical component associated with the DMEPOS claim. |