A7504 – Filter for use in a tracheostoma heat and moisture exchange system, each
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA7504
- Long description
- Filter for use in a tracheostoma heat and moisture exchange system, each
- Short description
- Tracheostoma hmes filter
- Pricing indicator
37Ostomy, tracheostomy and urological supplies- Medicare coverage
DSpecial coverage instructions apply- BETOS category
D1FProsthetic/Orthotic devices- Added
- January 1, 2001
- Last change
- January 1, 2001 – No change
Frequently asked questions
What is HCPCS code A7504?
A7504 is a HCPCS Level II code for filter for use in a tracheostoma heat and moisture exchange system, each.
Does Medicare cover A7504?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby A codes
- A7045 – Exhalation port with or without swivel used with accessories for positive airway devices, replacement only
- A7046 – Water chamber for humidifier, used with positive airway pressure device, replacement, each
- A7047 – Oral interface used with respiratory suction pump, each
- A7048 – Vacuum drainage collection unit and tubing kit, including all supplies needed for collection unit change, for use with implanted catheter, each
- A7049 – Expiratory positive airway pressure intranasal resistance valve
- A7501 – Tracheostoma valve, including diaphragm, each
- A7502 – Replacement diaphragm/faceplate for tracheostoma valve, each
- A7503 – Filter holder or filter cap, reusable, for use in a tracheostoma heat and moisture exchange system, each
- A7505 – Housing, reusable without adhesive, for use in a heat and moisture exchange system and/or with a tracheostoma valve, each
- A7506 – Adhesive disc for use in a heat and moisture exchange system and/or with tracheostoma valve, any type each
- A7507 – Filter holder and integrated filter without adhesive, for use in a tracheostoma heat and moisture exchange system, each
- A7508 – Housing and integrated adhesive, for use in a tracheostoma heat and moisture exchange system and/or with a tracheostoma valve, each
- A7509 – Filter holder and integrated filter housing, and adhesive, for use as a tracheostoma heat and moisture exchange system, each
- A7520 – Tracheostomy/laryngectomy tube, non-cuffed, polyvinylchloride (pvc), silicone or equal, each
- A7521 – Tracheostomy/laryngectomy tube, cuffed, polyvinylchloride (pvc), silicone or equal, each
- A7522 – Tracheostomy/laryngectomy tube, stainless steel or equal (sterilizable and reusable), each
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.