A4400 — Ostomy irrigation set
HCPCS Level II A-code
- Code system
- HCPCS Level II
- Family
- A — Medical & surgical supplies, ambulance
- Medicare coverage status
- Special coverage instructions apply
- DMEPOS payment category
- Ostomy, tracheostomy & urological supplies
- 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.
A4400 Medicare fee schedule (April 2026)
Base (no modifier) Ostomy, tracheostomy & urological supplies
Medicare allowable ranges from $59.20 to $90.97 depending on state and rural status.
Former-CBA payment limits: ceiling $69.65 · floor $59.20
| State | Non-rural | Rural |
|---|---|---|
| AK | $85.06 | — |
| AL | $59.20 | — |
| AR | $69.65 | — |
| AZ | $69.65 | — |
| CA | $69.65 | — |
| CO | $59.20 | — |
| CT | $69.65 | — |
| DC | $69.65 | — |
| DE | $69.65 | — |
| FL | $59.20 | — |
| GA | $59.20 | — |
| HI | $90.97 | — |
| IA | $62.89 | — |
| ID | $69.65 | — |
| IL | $62.96 | — |
| IN | $61.51 | — |
| KS | $64.58 | — |
| KY | $66.65 | — |
| LA | $69.65 | — |
| MA | $69.65 | — |
| MD | $68.09 | — |
| ME | $69.65 | — |
| MI | $59.20 | — |
| MN | $69.65 | — |
| MO | $64.58 | — |
| MS | $59.20 | — |
| MT | $59.20 | — |
| NC | $59.20 | — |
| ND | $69.65 | — |
| NE | $64.58 | — |
| NH | $69.65 | — |
| NJ | $69.65 | — |
| NM | $69.65 | — |
| NV | $69.65 | — |
| NY | $59.20 | — |
| OH | $69.65 | — |
| OK | $69.65 | — |
| OR | $59.20 | — |
| PA | $69.65 | — |
| PR | $80.19 | — |
| RI | $59.20 | — |
| SC | $59.20 | — |
| SD | $69.65 | — |
| TN | $59.20 | — |
| TX | $69.65 | — |
| UT | $65.70 | — |
| VA | $59.20 | — |
| VI | $59.20 | — |
| VT | $69.65 | — |
| WA | $63.14 | — |
| WI | $69.65 | — |
| WV | $69.65 | — |
| WY | $69.65 | — |
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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