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.