Summary & Overview
HCPCS K0046: Elevating Legrest Lower Extension Tube, Replacement Only
HCPCS Level II code K0046 identifies the replacement of a lower extension tube for an elevating legrest, a component-level supply for durable medical equipment used to support leg elevation and patient positioning. Nationally, component and replacement codes like K0046 matter because they guide coverage determinations, claims processing, and equipment maintenance reimbursements across multiple payer types.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code’s clinical context and the expected service setting, plus benchmarks and policy implications relevant to equipment replacement claims. The analysis highlights typical billing patterns, common payer coverage considerations, and coding clarity needed to ensure proper adjudication.
This publication summarizes what K0046 represents, the clinical scenarios in which a replacement lower extension tube is billed, and the types of payers that commonly process such claims. It also outlines the practical information readers need: where the service is typically provided, how the code fits into durable medical equipment billing, and what topics to expect in deeper sections such as reimbursement benchmarks, payer policy updates, and coding compliance notes. Data not available in the input will be identified in the detailed sections.
Billing Code Overview
HCPCS Level II code K0046 denotes elevating legrest, lower extension tube, replacement only, each. The code describes the supply-level replacement of the lower extension tube component for an elevating legrest, generally associated with durable medical equipment that provides adjustable leg elevation for patient positioning and pressure relief.
Service Type: Durable Medical Equipment (replacement part)
Typical Site of Service: Home setting or any outpatient site where durable medical equipment is used, including patient residences and ambulatory clinics that manage or service mobility or seating devices.
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Clinical & Coding Specifications
Clinical Context
A 72-year-old male nursing home resident with advanced osteoarthritis and vascular disease uses a powered wheelchair with an elevating legrest. During routine maintenance, the facility wheelchair technician documents a broken lower extension tube on the elevating legrest that prevents safe leg support and positioning. A durable medical equipment (DME) provider is contacted to supply a replacement lower extension tube only for the elevating legrest assembly. The order is processed under the wheelchair replacement parts workflow: verification of existing wheelchair ownership, assessment of the part compatibility with the patient’s current seating system, and shipment of the replacement part to the skilled nursing facility. Documentation includes device serial number, part model, functional need to maintain foot/leg support, and proof of delivery. The service is billed using HCPCS Level II code K0046 for replacement of the elevating legrest lower extension tube.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Standard - no modifier | Use when no special circumstances apply to the replacement part claim |
52 |