A7049 — Expiratory positive airway pressure intranasal resistance valve
A7049 is a HCPCS Level II code for expiratory positive airway pressure intranasal resistance valve. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Non-covered by statute
Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.
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 statusN
Non-covered service. Medicare does not cover 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 A7049 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
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Equipment
- outpatient
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Equipment
- DME supplier
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Equipment
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 A7049
- Long descriptor
- Expiratory positive airway pressure intranasal resistance valve
- Short descriptor
- Epap nasal valve
- Added
- April 1, 2023
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
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.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to A7049
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A7049 is not quite right, the correct code is very often within a few positions of it.
- 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
- A7045Exhalation port with or without swivel used with accessories for positive airway devices, replacement only
- 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
- 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
- A7505Housing, reusable without adhesive, for use in a heat and moisture exchange system and/or with a tracheostoma valve, each
- A7506Adhesive disc for use in a heat and moisture exchange system and/or with tracheostoma valve, any type each
- A7507Filter holder and integrated filter without adhesive, for use in a tracheostoma heat and moisture exchange system, each
- A7508Housing and integrated adhesive, for use in a tracheostoma heat and moisture exchange system and/or with a tracheostoma valve, each
Questions about A7049
What is HCPCS code A7049?
A7049 is a HCPCS Level II code for expiratory positive airway pressure intranasal resistance valve. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A7049?
The CMS HCPCS file marks A7049 as "Non-covered by statute". Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.
How is A7049 paid under the physician fee schedule?
A7049 carries PFS status code N. Non-covered service. Medicare does not cover it.