A4615 — Cannula, nasal
A4615 is a HCPCS Level II code for cannula, nasal. 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 A4615 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
- 2 units MAI 3 — Date of Service Edit: Clinical · Clinical: Data
- DME supplier
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · Published Contractor Policy
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 A4615
- Long descriptor
- Cannula, nasal
- Short descriptor
- Cannula nasal
- Added
- January 1, 1990
- BETOS
- D1C
- 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 A4615
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A4615 is not quite right, the correct code is very often within a few positions of it.
- A4604Tubing with integrated heating element for use with positive airway pressure device
- A4605Tracheal suction catheter, closed system, each
- A4606Oxygen probe for use with oximeter device, replacement
- A4608Transtracheal oxygen catheter, each
- A4611Battery, heavy duty; replacement for patient owned ventilator
- A4612Battery cables; replacement for patient-owned ventilator
- A4613Battery charger; replacement for patient-owned ventilator
- A4614Peak expiratory flow rate meter, hand held
- A4616Tubing (oxygen), per foot
- A4617Mouth piece
- A4618Breathing circuits
- A4619Face tent
- A4620Variable concentration mask
- A4623Tracheostomy, inner cannula
- A4624Tracheal suction catheter, any type other than closed system, each
- A4625Tracheostomy care kit for new tracheostomy
Questions about A4615
What is HCPCS code A4615?
A4615 is a HCPCS Level II code for cannula, nasal. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A4615?
The CMS HCPCS file marks A4615 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 A4615 paid under the physician fee schedule?
A4615 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.