K0605 — Replacement battery for external infusion pump owned by patient, lithium, 4.5 volt, each
HCPCS Level II K-code · short descriptor: “Repl batt lithium 4.5 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.
K0605 Medicare fee schedule (April 2026)
NU — New purchase Inexpensive or routinely purchased
Medicare allowable ranges from $20.45 to $22.73 depending on state and rural status.
| State | Non-rural | Rural |
|---|---|---|
| AK | $20.63 | — |
| AL | $20.45 | $20.63 |
| AR | $20.45 | $20.63 |
| AZ | $20.45 | $20.63 |
| CA | $20.45 | $20.63 |
| CO | $20.45 | $20.63 |
| CT | $20.45 | $20.63 |
| DC | $20.45 | $20.63 |
| DE | $20.45 | $20.63 |
| FL | $20.45 | $20.63 |
| GA | $20.45 | $20.63 |
| HI | $20.63 | — |
| IA | $20.45 | $20.63 |
| ID | $20.45 | $20.63 |
| IL | $20.45 | $20.63 |
| IN | $20.45 | $20.63 |
| KS | $20.45 | $20.63 |
| KY | $20.45 | $20.63 |
| LA | $20.45 | $20.63 |
| MA | $20.45 | $20.63 |
| MD | $20.45 | $20.63 |
| ME | $20.45 | $20.63 |
| MI | $20.45 | $20.63 |
| MN | $20.45 | $20.63 |
| MO | $20.45 | $20.63 |
| MS | $20.45 | $20.63 |
| MT | $20.45 | $20.63 |
| NC | $20.45 | $20.63 |
| ND | $20.45 | $20.63 |
| NE | $20.45 | $20.63 |
| NH | $20.45 | $20.63 |
| NJ | $20.45 | $20.63 |
| NM | $20.45 | $20.63 |
| NV | $20.45 | $20.63 |
| NY | $20.45 | $20.63 |
| OH | $20.45 | $20.63 |
| OK | $20.45 | $20.63 |
| OR | $20.45 | $20.63 |
| PA | $20.45 | $20.63 |
| PR | $22.73 | — |
| RI | $20.45 | $20.63 |
| SC | $20.45 | $20.63 |
| SD | $20.45 | $20.63 |
| TN | $20.45 | $20.63 |
| TX | $20.45 | $20.63 |
| UT | $20.45 | $20.63 |
| VA | $20.45 | $20.63 |
| VI | $20.63 | — |
| VT | $20.45 | $20.63 |
| WA | $20.45 | $20.63 |
| WI | $20.45 | $20.63 |
| WV | $20.45 | $20.63 |
| WY | $20.45 | $20.63 |
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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