K0455 — Infusion pump used for uninterrupted parenteral administration of medication, (e.g., epoprostenol or treprostinol)
HCPCS Level II K-code · short descriptor: “Pump uninterrupted infusion”
- Code system
- HCPCS Level II
- Family
- K — DME MAC temporary codes
- Medicare coverage status
- Special coverage instructions apply
- DMEPOS payment category
- Frequently serviced
- Prior authorization
- Not on Medicare required-PA list
- Face-to-face & WOPD
- Not on the required list
- MUE unit limit
- 1
- Status
- Active (HCPCS Level II October 2026)
Prior authorization
Not on the Medicare required-PA list (CMS Required Prior Authorization List — 74 items in force on 2026-10-26; 8 more from 2026-10-28; sources: CMS list updated 2026-01-13, CMS-6109-N (91 FR 47972)). Medicare Advantage and commercial plans set their own prior-authorization rules for this code — verify per plan before delivery.
Order readiness — what the written order must contain
Every Medicare DMEPOS claim needs a Standard Written Order with all six elements (42 CFR 410.38(d)):
- Beneficiary name or Medicare Beneficiary Identifier (MBI) (42 CFR 410.38(d)(1)(i)(A))
- General description of the item (42 CFR 410.38(d)(1)(i)(B))
- Quantity to be dispensed, if applicable (42 CFR 410.38(d)(1)(i)(C))
- Order date (42 CFR 410.38(d)(1)(i)(D))
- Treating practitioner name or NPI (42 CFR 410.38(d)(1)(i)(E))
- Treating practitioner signature (42 CFR 410.38(d)(1)(i)(F))
Not on the F2F/WOPD list (CMS Required F2F & WOPD List — 83 items in force on 2026-10-26; 22 more from 2026-10-28; sources: CMS list effective 2026-04-13 (91 FR 1250), CMS-6109-N (91 FR 47972)). The standard written order must reach the supplier before claim submission.
Blank requirements checklist only — MyMedi-AI never collects or stores completed orders.
K0455 Medicare fee schedule (October 2026)
RR — Monthly rental Frequently serviced
Medicare allowable ranges from $320.84 to $483.38 depending on state and rural status.
Former-CBA payment limits: ceiling $377.46 · floor $320.84
| State | Non-rural | Rural |
|---|---|---|
| AK | $452.07 | — |
| AL | $369.64 | — |
| AR | $377.46 | — |
| AZ | $350.32 | — |
| CA | $377.46 | — |
| CO | $377.46 | — |
| CT | $377.46 | — |
| DC | $377.46 | — |
| DE | $320.84 | — |
| FL | $345.54 | — |
| GA | $366.16 | — |
| HI | $483.38 | — |
| IA | $377.46 | — |
| ID | $377.46 | — |
| IL | $377.46 | — |
| IN | $377.46 | — |
| KS | $377.46 | — |
| KY | $377.46 | — |
| LA | $377.46 | — |
| MA | $320.84 | — |
| MD | $367.55 | — |
| ME | $320.84 | — |
| MI | $372.60 | — |
| MN | $377.46 | — |
| MO | $377.46 | — |
| MS | $340.45 | — |
| MT | $342.98 | — |
| NC | $377.46 | — |
| ND | $339.85 | — |
| NE | $377.46 | — |
| NH | $320.84 | — |
| NJ | $320.84 | — |
| NM | $333.66 | — |
| NV | $358.76 | — |
| NY | $320.84 | — |
| OH | $377.46 | — |
| OK | $377.46 | — |
| OR | $377.46 | — |
| PA | $320.84 | — |
| PR | $442.67 | — |
| RI | $329.59 | — |
| SC | $377.46 | — |
| SD | $370.18 | — |
| TN | $377.46 | — |
| TX | $377.46 | — |
| UT | $377.46 | — |
| VA | $320.84 | — |
| VI | $377.46 | — |
| VT | $320.84 | — |
| WA | $377.46 | — |
| WI | $377.46 | — |
| WV | $354.96 | — |
| WY | $369.04 | — |
Unit limit (MUE)
Medicare's Medically Unlikely Edit caps K0455 at 1 unit per date of service (absolute). Units above the MUE deny — typically as CO-151. Rationale: Code Descriptor / CPT Instruction.
Common denial codes to watch
Related K-codes
Bill K0455 with confidence
Track prior-authorization requests with AI pre-fill and deadline tracking, and draft PA appeal letters — built for DME teams, PHI-free: no patient data is collected or stored.
Start free trial Run a CMS-0057-F readiness checkPrefer DIY compliance? Self-audit documentation kits for DME suppliers →
Building an AI agent? Try the agent API in the playground — free PA-required lookups, K0455 included, and starter credits via POST /bot-marketplace/register.