K0601 Replacement Battery - HCPCS Reimbursement | OpenPayer

Summary & Overview

HCPCS K0601: Replacement Battery for External Infusion Pump, 1.5V

HCPCS Level II code K0601 represents a replacement silver oxide 1.5 volt battery for an external infusion pump owned by the patient. This supply-oriented code is relevant to ambulatory infusion therapy and durable medical equipment (DME) billing, since replacement power sources are necessary for continuous or intermittent home infusion. Nationally, accurate coding of small DME components affects claims processing, patient out-of-pocket cost attribution, and inventory management for home infusion providers and durable medical equipment suppliers.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and service setting, typical payer coverage considerations, common modifiers encountered in claims, and reference points for related billing workflows. The publication covers expected use cases for home infusion patients who own their pumps, the role of K0601 in supply line items, and how payers commonly categorize replacement parts versus full device reimbursement.

This summary is designed for billing managers, DME suppliers, home infusion clinicians, and payers seeking clarity on coding and claims treatment for replacement components. Data not available in the input will be noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareK0601HCPCS Level IIdurable medical equipmenthome infusionreplacement batterymedical suppliesDME billingambulatory infusion

Billing Code Overview

HCPCS Level II code K0601 describes a replacement battery for an external infusion pump owned by the patient, specified as a silver oxide, 1.5 volt battery, sold each.

Service type: Durable Medical Equipment (DME) supply — replacement part/accessory

Typical site of service: Home use / patient residence, where the external infusion pump is owned and operated by the patient for ambulatory infusion therapy.

Clinical & Coding Specifications

Clinical Context

A patient who owns an external ambulatory infusion pump (for example, an insulin pump, continuous subcutaneous infusion pump for pain management, or ambulatory PCA pump) presents for routine maintenance or reports pump failure due to a dead or failing internal battery. The patient obtains a replacement silver oxide 1.5-volt battery (K0601) to restore device function. Typical workflow: the patient or durable medical equipment (DME) supplier verifies pump model and battery specification, obtains the correct replacement battery, documents device make/model and battery part number, and provides instructions to the patient or caregiver for safe installation and disposal of the spent battery. Replacement may occur at a DME supplier location, outpatient clinic, home, or other non-facility setting. Clinical documentation includes the reason for replacement (routine maintenance, battery depletion, device alert), device serial number, and any brief patient education provided about battery change and device checks.

Coding Specifications

Modifier	Description	When to Use
`00`	No modifier (default)	Used when no specific modifier applies to the supply of a replacement battery.
`22`

HCPCS K0829: Power Wheelchair, Extra Heavy Duty, Captains Chair, 601+ lbs

HCPCS-K0006-HEAVY-DUTY-WHEELCHAIR

HCPCS Level II K0006: Heavy Duty Wheelchair

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

HCPCS Level II K0001: Standard Wheelchair

HCPCS-K0852-POWER-WHEELCHAIR-VERY-HEAVY-DUTY-451-600-LBS

HCPCS K0852: Power Wheelchair, Very Heavy Duty (451–600 lbs)

HCPCS-K0008-CUSTOM-MANUAL-WHEELCHAIR

HCPCS Level II K0008: Custom Manual Wheelchair/Base

HCPCS-K0015-DETACHABLE-NON-ADJUSTABLE-ARMREST-REPLACEMENT

HCPCS K0015: Detachable Non-Adjustable Armrest, Replacement Only, Each

HCPCS-K0069-REAR-WHEEL-ASSEMBLY-SOLID-TIRE-REPLACEMENT

HCPCS K0069: Rear Wheel Assembly with Solid Tire, Replacement Only

HCPCS-K0801-POWER-OPERATED-VEHICLE-HEAVY-DUTY-301-450-LBS

HCPCS Level II K0801: Power Operated Vehicle, Heavy Duty 301–450 lbs

HCPCS-LEVEL-II-K0807-POWER-OPERATED-VEHICLE-HEAVY-DUTY-301-450-LBS

HCPCS Level II K0807: Power Operated Vehicle, Group 2 Heavy Duty

HCPCS-K0462-TEMPORARY-REPLACEMENT-PATIENT-OWNED-EQUIPMENT-REPAIR

HCPCS K0462: Temporary Replacement for Patient-Owned Equipment Being Repaired

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Taxonomy Code	Specialty	Notes
`174100000X`	Durable Medical Equipment & Medical Supplies	Typical supplier taxonomy for providers furnishing replacement batteries for patient-owned infusion pumps.
`207Q00000X`	Anesthesiology	Common specialty involved when ambulatory infusion pumps for pain management are managed; may document device-related care.
`251B00000X`	Nursing Service	Home health or infusion nurse specialties often assist with device checks and battery replacement education.
`208000000X`	Surgery	Surgical specialties that manage implanted or external infusion devices may document related supply needs.
`163W00000X`	Internal Medicine	General medicine providers who manage chronic therapies (e.g., insulin pumps) and coordinate supplies.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`E11.9`	Type 2 diabetes mellitus without complications	Many patients with insulin pumps require periodic battery replacement to maintain continuous subcutaneous insulin infusion.
`E10.9`	Type 1 diabetes mellitus without complications	Insulin pump users with type 1 diabetes commonly need replacement batteries for their external pumps.
`R68.89`	Other generalized symptoms and signs	Non-specific device alerts or patient-reported weakness of device function prompting battery replacement.
`G89.3`	Neoplasm related pain (acute or chronic)	Patients using ambulatory infusion pumps for pain management may require battery replacement to maintain therapy.
`G89.29`	Other chronic pain	Chronic pain patients using external infusion pumps for analgesia need battery replacements as part of device maintenance.
`T85.698A`	Other mechanical complication of other specified internal prosthetic devices, implants and grafts, initial encounter	Used if a mechanical/functional complication of an infusion pump is documented and a battery change is part of troubleshooting.
`Z46.89`	Encounter for fitting and adjustment of other specified devices	Relevant when the visit documents fitting, adjustment, or maintenance of an external infusion pump including battery replacement.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`96360`	Intravenous infusion, hydration; initial, 31 minutes to 1 hour	May be performed in clinical workflows when infusion therapy is administered and pump function or battery issue is evaluated in a clinic setting.
`96365`	Intravenous infusion, therapeutic, prophylactic, or diagnostic; initial, up to 1 hour	Relevant when clinicians deliver or adjust infusion therapy around the time of device maintenance.
`99406`	Smoking and tobacco use cessation counseling, intermediate, 3-10 minutes	Example of a short education or counseling CPT that could be billed during a visit where device education (including battery replacement instruction) is provided; selection depends on payer rules.
`99501`	Home visit for management and/or observation of patient with established problem(s)	Applicable if a clinician performs a home visit to replace or verify battery installation for an external infusion pump.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit	Sometimes used in conjunction with supply items; check payer-specific rules; not a replacement for billing the HCPCS supply code `K0601`.

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