A7023 – Mechanical allergen particle barrier/inhalation filter, cream, nasal, topical
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA7023
- Long description
- Mechanical allergen particle barrier/inhalation filter, cream, nasal, topical
- Short description
- Mech allergen parti barrier
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
SNon-covered by Medicare statute- BETOS category
Z2Undefined codes- Added
- January 1, 2024
- Last change
- January 1, 2024 – No change
Frequently asked questions
What is HCPCS code A7023?
A7023 is a HCPCS Level II code for mechanical allergen particle barrier/inhalation filter, cream, nasal, topical.
Does Medicare cover A7023?
The HCPCS file lists coverage code S: Non-covered by Medicare statute. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby A codes
- A7013 – Filter, disposable, used with aerosol compressor or ultrasonic generator
- A7014 – Filter, nondisposable, used with aerosol compressor or ultrasonic generator
- A7015 – Aerosol mask, used with dme nebulizer
- A7016 – Dome and mouthpiece, used with small volume ultrasonic nebulizer
- A7017 – Nebulizer, durable, glass or autoclavable plastic, bottle type, not used with oxygen
- A7018 – Water, distilled, used with large volume nebulizer, 1000 ml
- A7020 – Interface for cough stimulating device, includes all components, replacement only
- A7021 – Supplies and accessories for lung expansion airway clearance, continuous high frequency oscillation, and nebulization device (e.g., handset, nebulizer kit, biofilter)
- A7025 – High frequency chest wall oscillation system vest, replacement for use with patient owned equipment, each
- A7026 – High frequency chest wall oscillation system hose, replacement for use with patient owned equipment, each
- A7027 – Combination oral/nasal mask, used with continuous positive airway pressure device, each
- A7028 – Oral cushion for combination oral/nasal mask, replacement only, each
- A7029 – Nasal pillows for combination oral/nasal mask, replacement only, pair
- A7030 – Full face mask used with positive airway pressure device, each
- A7031 – Face mask interface, replacement for full face mask, each
- A7032 – Cushion for use on nasal mask interface, replacement only, each
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.