CPT 96425 Intra-arterial Infusion Reimbursement

CPT code 96425 denotes initiation of a prolonged intra-arterial chemotherapy infusion using an implantable or portable pump for administrations that exceed eight hours. This code captures a specialized, resource-intensive service that combines vascular access, continuous pump management, and chemotherapy delivery; it is relevant to cancer centers, hospital infusion suites, and clinicians who provide regional arterial chemotherapy. Nationally, accurate coding of prolonged intra-arterial infusions supports appropriate clinical documentation and billing for time-intensive oncology services.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical service and typical sites of care, an outline of common modifiers used with this service, and guidance on where to look for payer-specific policies and coverage rules. The publication also summarizes typical operational considerations such as infusion duration thresholds, use of implantable or portable pumps, and the distinction between infusion initiation and ongoing pump management.

This summary is intended to orient clinicians, coding professionals, and policy analysts to the purpose and clinical context of CPT code 96425, highlight payer coverage relevance, and indicate the types of benchmarks and policy updates that are commonly monitored for prolonged arterial chemotherapy infusion services. Data not available in the input.

Billing Code Overview

CPT code 96425 describes the initiation of a prolonged intra-arterial chemotherapy infusion delivered via an implantable or portable pump. The procedure involves arterial access and continuous infusion that lasts more than 8 hours, with the provider responsible for starting the infusion.

Service type: Chemotherapy infusion initiation (intra-arterial), prolonged infusion >8 hours

Typical site of service: Inpatient hospital or outpatient infusion center equipped for arterial chemotherapy administration and prolonged pump-based infusions

Clinical Context

A 62-year-old patient with unresectable hepatic metastases from colorectal carcinoma is scheduled for initiation of intra-arterial chemotherapy via an implanted hepatic artery pump. The interventional oncology team performs pre-procedure evaluation including consent, review of prior imaging, and assessment of vascular access. On the day of service the patient is brought to an interventional radiology or ambulatory infusion suite; local or moderate sedation may be used. The provider accesses the implantable pump or connects a portable pump and initiates a continuous arterial infusion of a chemotherapeutic agent that is programmed to run for more than eight hours. Nursing monitors infusion parameters, infusion site and vascular access, and observes for immediate infusion-related adverse effects before patient discharge or transfer to an inpatient bed for further monitoring. Documentation includes the arterial route, pump type (implantable or portable), infusion duration (>8 hours), drugs administered, start time, verification of pump programming, and any complications or concurrent procedures.

Coding Specifications

Modifier	Description	When to Use
`11`	Unusual procedural service	Used when the service is greater than typically required (only with documentation of increased work).
`22`

Taxonomy Code	Specialty	Notes
`2084P0200X`	Interventional Radiology	Most common specialty performing arterial pump placement and infusion initiation.
`207T00000X`	Medical Oncology	Oversees chemotherapy regimen selection and coordination for intra-arterial infusion.
`2086S0121X`	Vascular Surgery	May be involved for arterial access or pump implantation in some cases.
`208D00000X`	General Surgery	Performs surgical implantations of infusion pumps when required.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`C78.7`	Secondary malignant neoplasm of liver and intrahepatic bile duct	Liver metastases are a common indication for hepatic artery infusion therapy.
`C18.9`	Malignant neoplasm of colon, unspecified	Primary colorectal cancer often leads to hepatic metastases treated with intra-arterial chemotherapy.
`C20`	Malignant neoplasm of rectum	Rectal cancer with liver metastases may be treated with regional arterial infusion.
`C80.1`	Malignant (primary) neoplasm, unspecified, with metastasis	Used when metastatic disease with unknown primary or generalized metastasis is being managed with regional therapy.
`C79.51`	Secondary malignant neoplasm of bone	Indicates metastatic disease burden where regional infusion may be part of multimodal therapy (contextual relevance).

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`96425`	Chemotherapy administration into an artery by infusion technique; through implantable or portable pump, more than 8 hours — infusion initiation	This is the primary code describing initiation of prolonged (>8 hours) intra-arterial chemotherapy infusion via a pump.
`36415`	Collection of venous blood by venipuncture	Commonly performed for baseline labs before initiation of chemotherapy.
`96417`	Chemotherapy administrative supervision for infusion, add-on code used for additional hours of infusion beyond the base code (per applicable guidance)	Used when additional supervision or hourly billing rules apply for prolonged infusions adjunctive to the primary infusion code.
`77022`	Fluoroscopic guidance for placement of catheter, radiological supervision and interpretation	Often performed at or before pump implantation or catheter placement during interventional radiology procedures associated with arterial infusion setup.
`36556`	Insertion of non-tunneled centrally inserted central venous catheter; age 5 years or older	May be used if central venous access is placed concurrently for chemotherapy or supportive medications (if clinically indicated).

OpenPayer

Summary & Overview

CPT 96425: Intra-arterial Chemotherapy Infusion Initiation, >8 Hours