Summary & Overview
HCPCS A7013: Disposable Filter for Aerosol Compressor/Ultrasonic Generator
HCPCS Level II code A7013 denotes a disposable filter used with aerosol compressors or ultrasonic generators, a common accessory in aerosolized respiratory therapy. This code matters nationally because disposable filters are essential infection control and device-protection components across home health, outpatient, and DME supply settings. Proper coding enables consistent billing, inventory tracking, and compliance with payer coverage policies for respiratory device accessories.
Key payers considered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a national overview of A7013’s clinical role and billing context, including typical sites of service and the service type classification. The publication summarizes what to expect in payer coverage approaches and benchmark metrics where available, highlights relevant clinical context for use with aerosol compressors and ultrasonic nebulizers, and identifies gaps where data is not available.
Content covers benchmark interpretation, common billing considerations tied to accessory supply coding, and policy updates affecting HCPCS Level II accessory codes. Data not available in the input is explicitly noted where applicable.
Billing Code Overview
HCPCS Level II code A7013 describes a disposable filter intended for use with an aerosol compressor or ultrasonic generator. The item is a single-use respiratory accessory designed to trap particulate matter or contaminants in aerosolized delivery systems.
Service type: Durable medical equipment / medical supply accessory for aerosol therapy
Typical site of service: Home health, outpatient clinics, and durable medical equipment supply settings
Data not available in the input for taxonomies, associated diagnoses, related codes, or detailed reimbursement parameters.
Clinical & Coding Specifications
Clinical Context
A pediatric or adult patient with a diagnosed respiratory condition requiring aerosolized medication or humidified therapy presents to an outpatient pulmonary clinic, durable medical equipment (DME) supplier, or home health service. The clinician prescribes use of an aerosol compressor or ultrasonic nebulizer for administration of bronchodilators, mucolytics, or inhaled antibiotics. Disposable filter A7013 is supplied with the compressor/nebulizer to protect the device and reduce particulate contamination during home or clinic use. Typical workflow: clinician documents the medical necessity in the chart, writes a prescription or DME order specifying the compressor/ultrasonic generator and disposable filter, the DME supplier dispenses A7013 with device education on replacement intervals and infection-control measures, and the payer is billed using HCPCS level II code A7013 for the disposable filter item.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Default/No modifier | Use when no special circumstances apply to the supply |