A9284 — Spirometer, non-electronic, includes all accessories
A9284 is a HCPCS Level II code for spirometer, non-electronic, includes all accessories. 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 A9284 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
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS 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 A9284
- Long descriptor
- Spirometer, non-electronic, includes all accessories
- Short descriptor
- Non-electronic spirometer
- Added
- January 1, 2009
- 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 A9284
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A9284 is not quite right, the correct code is very often within a few positions of it.
- A9276Sensor; invasive (e.g., subcutaneous), disposable, for use with non-durable medical equipment interstitial continuous glucose monitoring system, one unit = 1 day supply
- A9277Transmitter; external, for use with non-durable medical equipment interstitial continuous glucose monitoring system
- A9278Receiver (monitor); external, for use with non-durable medical equipment interstitial continuous glucose monitoring system
- A9279Monitoring feature/device, stand-alone or integrated, any type, includes all accessories, components and electronics, not otherwise classified
- A9280Alert or alarm device, not otherwise classified
- A9281Reaching/grabbing device, any type, any length, each
- A9282Wig, any type, each
- A9283Foot pressure off loading/supportive device, any type, each
- A9285Inversion/eversion correction device
- A9286Hygienic item or device, disposable or non-disposable, any type, each
- A9291Prescription digital cognitive and/or behavioral therapy, fda cleared, per course of treatment
- A9292Prescription digital visual therapy, software-only, fda cleared, per course of treatment
- A9293Fertility cycle (contraception & conception) tracking software application, fda cleared, per month, includes accessories (e.g., thermometer)
- A9294Prescription digital cognitive and/or behavioral therapy, biofeedback, fda cleared, per course of treatment
- A9300Exercise equipment
- A9500Technetium tc-99m sestamibi, diagnostic, per study dose
Questions about A9284
What is HCPCS code A9284?
A9284 is a HCPCS Level II code for spirometer, non-electronic, includes all accessories. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A9284?
The CMS HCPCS file marks A9284 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 A9284 paid under the physician fee schedule?
A9284 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.