Summary & Overview
HCPCS K0455: Infusion Pump for Continuous Parenteral Medication
HCPCS Level II code K0455 identifies a durable medical equipment infusion pump designed for uninterrupted parenteral administration of medications such as epoprostenol and treprostinil. This code is important nationally for payers and providers managing chronic conditions that require continuous intravenous or subcutaneous infusions, including pulmonary arterial hypertension and other specialty therapies that cannot tolerate interruptions. Accurate coding affects coverage determinations, durable medical equipment billing, and continuity of care for patients requiring ambulatory or home-based infusion therapy.
Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for continuous parenteral infusion pumps, typical sites of service (home infusion and outpatient infusion clinics), common billing considerations, and the scope of payer coverage approaches. The publication outlines benchmarks and policy-relevant elements affecting reimbursement and utilization management where available. Data not available in the input is noted where specific payer policies, associated taxonomies, ICD-10 diagnosis pairings, and related service-line details are required but not provided.
Billing Code Overview
HCPCS Level II code K0455 describes an infusion pump used for uninterrupted parenteral administration of medication, for example epoprostenol or treprostinil. The device is intended to deliver continuous intravenous or subcutaneous therapy where consistent, uninterrupted dosing is clinically required.
Service type: Durable medical equipment — infusion pump for continuous parenteral medication administration
Typical site of service: Home infusion or outpatient infusion clinic
Clinical & Coding Specifications
Clinical Context
A 58-year-old patient with pulmonary arterial hypertension (PAH) is prescribed continuous intravenous epoprostenol therapy due to progressive right-sided heart failure and inadequate response to oral pulmonary vasodilators. The patient presents to an outpatient infusion clinic for initial pump education and home infusion setup. A licensed nurse programs and dispenses an ambulatory infusion pump K0455 configured for uninterrupted parenteral administration, demonstrates aseptic medication cassette changes, documents pump settings and alarm parameters, and verifies patient competency for home use. Typical workflow includes physician order and diagnosis confirmation, pharmacy aseptic preparation of the epoprostenol solution, nursing pump programming and patient teaching, and home nursing or durable medical equipment coordination for delivery and support.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Standard automated modifier (no modifier) | Use when no specific modifier applies to the service. |
26 | Professional component |