CPT code 96522 covers the clinical service of refilling an implantable drug reservoir or pump used for systemic drug administration and confirming device function. This code is significant nationwide because it describes a common maintenance procedure for implanted infusion systems used in pain management, chemotherapy, and other continuous drug therapies. Accurate coding affects clinical documentation, patient safety workflows, and payment for procedures involving invasive access to implanted devices.

Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for implanted pump refills, common settings where the service is provided, and the administrative considerations tied to billing CPT code 96522.

The publication summarizes benchmarks and billing practice patterns where available, clarifies typical sites of service, and highlights documentation elements tied to the procedure. Data not available in the input is noted where applicable.