K0604 — Replacement battery for external infusion pump owned by patient, lithium, 3.6 volt, each
HCPCS Level II K-code · short descriptor: “Repl batt lithium 3.6 v”
- Code system
- HCPCS Level II
- Family
- K — DME MAC temporary codes
- 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.
K0604 Medicare fee schedule (April 2026)
NU — New purchase Inexpensive or routinely purchased
Medicare allowable ranges from $8.56 to $9.50 depending on state and rural status.
| State | Non-rural | Rural |
|---|---|---|
| AK | $8.61 | — |
| AL | $8.56 | $8.61 |
| AR | $8.56 | $8.61 |
| AZ | $8.56 | $8.61 |
| CA | $8.56 | $8.61 |
| CO | $8.56 | $8.61 |
| CT | $8.56 | $8.61 |
| DC | $8.56 | $8.61 |
| DE | $8.56 | $8.61 |
| FL | $8.56 | $8.61 |
| GA | $8.56 | $8.61 |
| HI | $8.61 | — |
| IA | $8.56 | $8.61 |
| ID | $8.56 | $8.61 |
| IL | $8.56 | $8.61 |
| IN | $8.56 | $8.61 |
| KS | $8.56 | $8.61 |
| KY | $8.56 | $8.61 |
| LA | $8.56 | $8.61 |
| MA | $8.56 | $8.61 |
| MD | $8.56 | $8.61 |
| ME | $8.56 | $8.61 |
| MI | $8.56 | $8.61 |
| MN | $8.56 | $8.61 |
| MO | $8.56 | $8.61 |
| MS | $8.56 | $8.61 |
| MT | $8.56 | $8.61 |
| NC | $8.56 | $8.61 |
| ND | $8.56 | $8.61 |
| NE | $8.56 | $8.61 |
| NH | $8.56 | $8.61 |
| NJ | $8.56 | $8.61 |
| NM | $8.56 | $8.61 |
| NV | $8.56 | $8.61 |
| NY | $8.56 | $8.61 |
| OH | $8.56 | $8.61 |
| OK | $8.56 | $8.61 |
| OR | $8.56 | $8.61 |
| PA | $8.56 | $8.61 |
| PR | $9.50 | — |
| RI | $8.56 | $8.61 |
| SC | $8.56 | $8.61 |
| SD | $8.56 | $8.61 |
| TN | $8.56 | $8.61 |
| TX | $8.56 | $8.61 |
| UT | $8.56 | $8.61 |
| VA | $8.56 | $8.61 |
| VI | $8.61 | — |
| VT | $8.56 | $8.61 |
| WA | $8.56 | $8.61 |
| WI | $8.56 | $8.61 |
| WV | $8.56 | $8.61 |
| WY | $8.56 | $8.61 |
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 K-codes
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