A7038 — Filter, disposable, used with positive airway pressure device
HCPCS Level II A-code · short descriptor: “Pos airway pressure filter”
- Code system
- HCPCS Level II
- Family
- A — Medical & surgical supplies, ambulance
- Medicare coverage status
- Carrier judgment — coverage decided by the DME MAC
- DMEPOS payment category
- Inexpensive or routinely purchased
- Prior authorization
- Not on Medicare required-PA list
- Status
- Active (April 2026 HCPCS)
Prior authorization
Not on the Medicare required-PA list as of the January 13, 2026 update (74 items). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.
A7038 Medicare fee schedule (April 2026)
NU — New purchase Inexpensive or routinely purchased
Medicare allowable ranges from $2.55 to $5.23 depending on state and rural status.
| State | Non-rural | Rural |
|---|---|---|
| AK | $3.31 | — |
| AL | $2.58 | $4.78 |
| AR | $2.58 | $4.78 |
| AZ | $2.63 | $4.78 |
| CA | $2.59 | $4.78 |
| CO | $2.67 | $4.78 |
| CT | $2.84 | $4.28 |
| DC | $2.64 | $4.28 |
| DE | $2.64 | $4.28 |
| FL | $2.58 | $4.61 |
| GA | $2.58 | $4.75 |
| HI | $3.43 | — |
| IA | $2.55 | $4.78 |
| ID | $2.67 | $4.78 |
| IL | $2.60 | $4.28 |
| IN | $2.60 | $4.28 |
| KS | $2.55 | $4.78 |
| KY | $2.58 | $4.78 |
| LA | $2.58 | $4.78 |
| MA | $2.84 | $4.28 |
| MD | $2.64 | $4.28 |
| ME | $2.84 | $4.28 |
| MI | $2.60 | $4.28 |
| MN | $2.55 | $4.28 |
| MO | $2.55 | $4.78 |
| MS | $2.58 | $4.78 |
| MT | $2.67 | $4.78 |
| NC | $2.58 | $4.73 |
| ND | $2.55 | $4.78 |
| NE | $2.55 | $4.78 |
| NH | $2.84 | $4.28 |
| NJ | $2.64 | $4.28 |
| NM | $2.63 | $4.78 |
| NV | $2.59 | $4.78 |
| NY | $2.64 | $4.28 |
| OH | $2.60 | $4.28 |
| OK | $2.63 | $4.78 |
| OR | $2.59 | $4.78 |
| PA | $2.64 | $4.28 |
| PR | $5.23 | — |
| RI | $2.84 | $4.28 |
| SC | $2.58 | $4.78 |
| SD | $2.55 | $4.78 |
| TN | $2.58 | $4.78 |
| TX | $2.63 | $4.61 |
| UT | $2.67 | $4.78 |
| VA | $2.58 | $4.28 |
| VI | $4.26 | — |
| VT | $2.84 | $4.28 |
| WA | $2.59 | $4.78 |
| WI | $2.60 | $4.28 |
| WV | $2.58 | $4.28 |
| WY | $2.67 | $4.78 |
Amounts are the Medicare DMEPOS fee-schedule allowables effective April 2026.
Medicare typically pays 80% of the allowable after the Part B deductible; the patient owes 20%.
A 2% sequestration reduction applies to the Medicare share. Former competitive-bidding-area
adjustments and non-continental rates can differ — verify with your DME MAC.
Common denial codes to watch
Related A-codes
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