Summary & Overview
HCPCS A5512: Prefabricated Molded Multiple-Density Diabetic Foot Insert
HCPCS Level II code A5512 designates a prefabricated, multiple-density diabetic foot insert that is heat-formed and molded to provide total contact support for patients with diabetes. This device specification — including minimum base-layer thickness and Shore A durometer requirements — is intended to reduce plantar pressure and protect at-risk feet. Nationally, clear coding for diabetic inserts affects DME and prosthetics/orthotics billing, coverage determinations, and patient access to preventive devices that can reduce ulceration and downstream costs.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise description of clinical intent and device specifications, discussion of typical service settings and billing workflow implications, and an outline of common modifiers and administrative considerations. The publication provides benchmark-oriented material and policy context relevant to coverage criteria, documentation expectations, and coding alignment for diabetic foot care. Data not available in the input for payor-specific rates, associated taxonomies, ICD-10 pairings, and related codes are noted as unavailable in the input.
Billing Code Overview
HCPCS Level II code A5512 describes a prefabricated, molded multiple density insert for patients with diabetes. The device is direct formed and molded to the foot after exposure to an external heat source of 230 degrees Fahrenheit or higher to provide total contact with the patient's foot, including the arch. The specification requires a base layer minimum of 1/4 inch material at Shore A 35 durometer or 3/16 inch material at Shore A 40 durometer (or higher).
Service type: Orthotic/diabetic footwear insert fabrication and provision
Typical site of service: Outpatient durable medical equipment or prosthetics/orthotics supplier setting, or clinic-based orthotics lab, where prefabricated inserts are heated and molded to the patient's foot.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with diabetes mellitus who presents to a podiatry or orthotics clinic because of painful plantar callus, neuropathic pressure points, or a history of diabetic foot ulceration. After a focused diabetic foot exam (inspection, vascular and neurologic assessment), the clinician determines that a prefabricated multiple-density total-contact insert molded to the foot after heating is clinically indicated to offload high-pressure areas and reduce ulcer risk. The workflow: the patient is evaluated by a podiatrist or orthotist; foot measurements and pressure/shape assessment are obtained; the prefabricated insert is heated externally to ≥230°F and directly formed to the patient’s foot ensuring total contact including the arch; the insert is trimmed and finished; the device is fit into the patient’s shoe; patient education on wear, skin checks, and follow-up is provided. Typical site of service is an outpatient podiatry, orthotics/prosthetics, or durable medical equipment supplier clinic. The service is restricted to patients with diabetes and is billed as A5512 per insert, right or left as appropriate.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
LT | Left side | Use when billing for the left foot insert. |