K0455 HCPCS code: Infusion pump used for uninterrupted parenteral administration of medication, (e.g., epoprostenol or treprostinol)

K0455 is the HCPCS Level II code for infusion pump used for uninterrupted parenteral administration of medication, (e.g., epoprostenol or treprostinol). The 2026 Medicare DMEPOS fee schedule pays $320.84 to $483.38 (RR, rental (monthly)) depending on the state. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 1 per day on DME suppliers. Medicare volume fell 12% from 2022 to 2024 (10,971 to 9,627 services). In 2024, 33 suppliers billed Medicare for K0455 (rentals), serving 1,150 beneficiaries; California, Texas, Florida accounted for 22% of services.

Code details

FieldValue
SectionK codes — Temporary codes for DME MACs
Coverage codeD — Special coverage instructions apply
Pricing indicator31 — DMEPOS: frequently serviced item
BETOS categoryD1E — Other durable medical equipment
Added1998-01-01
Last action effective2003-07-01

2026 Medicare DMEPOS fee schedule for K0455

ModifierMeaningLowest state feeHighest state feeCeilingFloor
RRrental (monthly)$320.84$483.38$377.46$320.84
StateModifierFeeRural fee
AKRR$452.07—
ALRR$369.64—
ARRR$377.46—
AZRR$350.32—
CARR$377.46—
CORR$377.46—
CTRR$377.46—
DCRR$377.46—
DERR$320.84—
FLRR$345.54—
GARR$366.16—
HIRR$483.38—
IARR$377.46—
IDRR$377.46—
ILRR$377.46—
INRR$377.46—
KSRR$377.46—
KYRR$377.46—
LARR$377.46—
MARR$320.84—
MDRR$367.55—
MERR$320.84—
MIRR$372.60—
MNRR$377.46—
MORR$377.46—
MSRR$340.45—
MTRR$342.98—
NCRR$377.46—
NDRR$339.85—
NERR$377.46—
NHRR$320.84—
NJRR$320.84—
NMRR$333.66—
NVRR$358.76—
NYRR$320.84—
OHRR$377.46—
OKRR$377.46—
ORRR$377.46—
PARR$320.84—
PRRR$442.67—
RIRR$329.59—
SCRR$377.46—
SDRR$370.18—
TNRR$377.46—
TXRR$377.46—
UTRR$377.46—
VARR$320.84—
VIRR$377.46—
VTRR$320.84—
WARR$377.46—
WIRR$377.46—
WVRR$354.96—
WYRR$369.04—

How the K0455 fee compares

MeasureValue
Rank among 1 K04 codes billed RR (lowest = 1)1
Family fee range (average of state fees)$365.87–$365.87
Rural fee uplift—

Who bills K0455 (2024)

MeasureValue
Suppliers billing rentals33
Suppliers billing purchases—
Referring clinicians477
Medicare beneficiaries1,150
States with claims44
Share of services in top 3 states (California, Texas, Florida)22%
YearSuppliersBeneficiaries
2022341,336
2023341,223
2024331,150

Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.

Medicare utilization for K0455, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
202210,9711,336$310.36$241.65
202310,4151,223$337.00$261.42
20249,6271,150$345.88$268.89

States with the most K0455 services (2024)

StateServicesAvg. paid
California1,021$280.53
Texas604$276.08
Florida532$258.89
Michigan494$276.01
Ohio440$278.73

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
DME suppliers1Code Descriptor / CPT Instruction

Medicare policy articles for this code

Covered diagnoses (460 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

ICD-10-CMDiagnosisArticles listing it
C91.00Acute lymphoblastic leukemia not having achieved remission1
C91.01Acute lymphoblastic leukemia, in remission1
C91.02Acute lymphoblastic leukemia, in relapse1
D80.0Hereditary hypogammaglobulinemia1
D80.2Selective deficiency of immunoglobulin A [IgA]1
D80.3Selective deficiency of immunoglobulin G [IgG] subclasses1
D80.4Selective deficiency of immunoglobulin M [IgM]1
D80.5Immunodeficiency with increased immunoglobulin M [IgM]1
D80.6Antibody deficiency with near-normal immunoglobulins or with hyperimmunoglobulinemia1
D80.7Transient hypogammaglobulinemia of infancy1

Showing 10 of 460. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for K0455

Frequently asked questions

What is HCPCS code K0455?

K0455 is the HCPCS Level II code for infusion pump used for uninterrupted parenteral administration of medication, (e.g., epoprostenol or treprostinol). Short descriptor: "Pump uninterrupted infusion".

How much does Medicare pay for K0455?

Under the 2026 DMEPOS fee schedule, non-rural state fees are RR (rental (monthly)): $320.84–$483.38. Rural fees can be higher.

Does Medicare cover K0455?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

Which diagnoses support coverage for K0455?

Medicare policy articles that cite K0455 list 460 covered ICD-10-CM diagnosis codes across 1 article. The most cited include C91.00 (Acute lymphoblastic leukemia not having achieved remission), C91.01 (Acute lymphoblastic leukemia, in remission), C91.02 (Acute lymphoblastic leukemia, in relapse). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

Did the Medicare fee for K0455 change in 2026?

The average non-rural state fee for RR moved from $358.69 in 2025 to $365.87 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.

How many units of K0455 can be billed per day?

1 on DME suppliers (NCCI medically unlikely edits).

Related K04 codes

Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.

Next steps

Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule 2026; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

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