HCPCS K0603: Replacement Alkaline Battery for Patient-Owned Infusion Pump - OpenPayer

Summary & Overview

HCPCS K0603: Replacement Alkaline Battery for Patient-Owned Infusion Pump

HCPCS Level II code K0603 represents a single replacement alkaline battery (1.5 volt) for an external infusion pump owned by the patient. The code applies to routine replacement of disposable batteries that power portable infusion devices used in home or ambulatory care, and it matters nationally because batteries are a routine, recurring supply cost tied to durable medical equipment (DME) management and patient safety. Clear coding ensures appropriate supply reimbursement and supports continuity of outpatient infusion therapy.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code's clinical and service context, common billing considerations, and typical sites of service. The publication summarizes reimbursement and policy implications at a national level, highlights where readers can expect variation across commercial and public payers, and outlines benchmarking topics relevant to supply provisioning for infusion pumps.

This brief enables billing managers, DME suppliers, and clinicians to identify the correct HCPCS Level II code for replacement alkaline batteries for patient-owned infusion pumps, understand who commonly reimburses for this supply, and locate the key areas for policy or reimbursement review. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareK0603HCPCS Level IIinfusion pumpdurable medical equipmentmedical supplieshome healthbattery replacementambulatory care

Billing Code Overview

HCPCS Level II code K0603 describes a replacement battery for an external infusion pump owned by the patient, specified as alkaline, 1.5 volt, each. This supply is intended to replace depleted batteries in portable external infusion pumps that patients possess and use outside of clinical settings.

Service type: Durable medical equipment / disposable supply replacement

Typical site of service: Home use / outpatient setting, reflecting patient-owned infusion pumps used in ambulatory or home care environments.

Clinical & Coding Specifications

Clinical Context

A typical patient scenario involves an adult or pediatric patient who uses an external infusion pump (for example, an insulin pump, PCA pump, or enteral feeding pump) that requires replacement alkaline batteries to maintain device operation. The patient or caregiver obtains a replacement battery, billed under K0603 (replacement battery for external infusion pump owned by patient, alkaline, 1.5 volt, each). The clinical workflow generally includes: a clinician or durable medical equipment (DME) supplier confirming pump ownership and need for battery replacement; documentation of device type and battery specification in the medical record; issuance of the battery to the patient or caregiver; and billing the payer for the single-unit supply using HCPCS code K0603. Typical sites of service are outpatient clinics, durable medical equipment supplier locations, home health visits, and retail pharmacy or medical supply pick-up locations. Scenarios prompting replacement include routine battery depletion, patient-reported low-battery alarms, or scheduled maintenance prior to travel or procedures requiring uninterrupted infusion therapy.

Coding Specifications

Modifier	Description	When to Use
`00`	Invalid or not in standard lists	Data not available in the input.

Related Codes

HCPCS-K0003-LIGHTWEIGHT-WHEELCHAIR

HCPCS K0003: Lightweight Wheelchair

HCPCS-K0037-HIGH-MOUNT-FLIP-UP-FOOTREST

HCPCS K0037: High Mount Flip-Up Footrest, Each

HCPCS-K0001-STANDARD-WHEELCHAIR-DURABLE-MEDICAL-EQUIPMENT

HCPCS Level II K0001: Standard Wheelchair

HCPCS-K0900-CUSTOMIZED-DURABLE-MEDICAL-EQUIPMENT

HCPCS K0900: Customized Durable Medical Equipment, Non-Wheelchair

HCPCS-K0730-CONTROLLED-DOSE-INHALATION-DEVICE

HCPCS K0730: Controlled Dose Inhalation Drug Delivery System

HCPCS-LEVEL-II-K0608-REPLACEMENT-GARMENT-AED

HCPCS Level II K0608: Replacement Garment for Automated External Defibrillator

HCPCS-K0065-SPOKE-PROTECTOR-DME-ACCESSORY

HCPCS K0065: Spoke Protector, Each

HCPCS-K0014-POWER-WHEELCHAIR-BASE

HCPCS K0014: Other Motorized/Power Wheelchair Base

HCPCS-K0042-STANDARD-FOOTPLATE-REPLACEMENT

HCPCS K0042: Standard Size Footplate, Replacement Only, Each

HCPCS-K0038-LEG-STRAP-DME-ACCESSORY

HCPCS K0038: Leg Strap, Each

Showing 1–10 of 135

Taxonomy Code	Specialty	Notes
`Data not available in the input.`	Durable Medical Equipment Supplier	Suppliers who dispense and bill for medical supplies and replacement batteries
`Data not available in the input.`	Endocrinology	Clinicians managing insulin pumps who may document need for replacement batteries
`Data not available in the input.`	Home Health	Agencies providing in-home management of infusion pumps and supplies
`Data not available in the input.`	General Surgery / Anesthesiology	Procedural teams that manage infusion devices perioperatively

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`E10.9`	Type 1 diabetes mellitus without complications	Patients with insulin pumps require reliable power; replacement batteries ensure continued insulin delivery.
`E11.9`	Type 2 diabetes mellitus without complications	Some patients with advanced diabetes use external infusion pumps; batteries maintain therapy.
`T85.698A`	Other mechanical complication of other specified internal prosthetic device, implant and graft, initial encounter	Used when a pump malfunction related to battery failure requires clinical attention and replacement.
`Z45.018`	Encounter for adjustment and management of other implanted device	When external infusion pump settings or components are adjusted and batteries replaced during encounter.
`R68.89`	Other general symptoms and signs	Non-specific presentations such as device alarms prompting battery replacement and evaluation.
`Z99.89`	Dependence on other enabling machines and devices, not elsewhere classified	Indicates patient dependence on a device (external pump) for ongoing therapy, supporting supply necessity.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`94664`	Demonstration and/or evaluation of patient utilization of an aerosol generator, nebulizer, metered dose inhaler or IPPB device, or for oxygen therapy equipment — initial	Related when education or device demonstration accompanies supply provision for infusion-related respiratory devices; included here as an example of device education codes.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit	Commonly used when billing for non-DME supplies provided in the office setting; may be used by some payers in conjunction with supplies like replacement batteries when HCPCS billing is not accepted.
`99600`	Special supplies, materials, and equipment (e.g., syringes, dressings) — not otherwise classified	Used when documenting miscellaneous supplies provided in conjunction with pump management when a more specific code is not available.
`G0463`	Hospital outpatient clinic visit for assessment and management of a patient — typically, the first visit	May be performed in clinic visits where pump function is assessed and a replacement battery (`K0603`) is provided as part of care.
`99078`	Physician or other qualified health care professional training in a group (eg, prenatal or diabetes classes), each 30 minutes	Used when group training on pump management includes distribution of replacement supplies such as batteries.