A7045 — Exhalation port with or without swivel used with accessories for positive airway devices, replacement only
A7045 is a HCPCS Level II code for exhalation port with or without swivel used with accessories for positive airway devices, replacement only. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusX
Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of A7045 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- outpatient
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- DME supplier
- 2 units MAI 3 — Date of Service Edit: Clinical · Clinical: Data
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for A7045
- Long descriptor
- Exhalation port with or without swivel used with accessories for positive airway devices, replacement only
- Short descriptor
- Repl exhalation port for pap
- Added
- January 1, 2005
- BETOS
- D1E
- Pricing indicator
- 32 — DMEPOS
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Inexpensive and routinely purchased DME. Price subject to floors and ceilings.
Codes adjacent to A7045
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A7045 is not quite right, the correct code is very often within a few positions of it.
- A7037Tubing used with positive airway pressure device
- A7038Filter, disposable, used with positive airway pressure device
- A7039Filter, non disposable, used with positive airway pressure device
- A7040One way chest drain valve
- A7041Water seal drainage container and tubing for use with implanted chest tube
- A7042Implanted pleural catheter, eachterminated
- A7043Vacuum drainage bottle and tubing for use with implanted catheterterminated
- A7044Oral interface used with positive airway pressure device, each
- A7046Water chamber for humidifier, used with positive airway pressure device, replacement, each
- A7047Oral interface used with respiratory suction pump, each
- A7048Vacuum drainage collection unit and tubing kit, including all supplies needed for collection unit change, for use with implanted catheter, each
- A7049Expiratory positive airway pressure intranasal resistance valve
- A7501Tracheostoma valve, including diaphragm, each
- A7502Replacement diaphragm/faceplate for tracheostoma valve, each
- A7503Filter holder or filter cap, reusable, for use in a tracheostoma heat and moisture exchange system, each
- A7504Filter for use in a tracheostoma heat and moisture exchange system, each
Questions about A7045
What is HCPCS code A7045?
A7045 is a HCPCS Level II code for exhalation port with or without swivel used with accessories for positive airway devices, replacement only. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A7045?
The CMS HCPCS file marks A7045 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is A7045 paid under the physician fee schedule?
A7045 carries PFS status code X. Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.