CPT code 95991 identifies the clinical service of refilling and maintaining an implanted drug pump that delivers medication directly to the spine or brain, including electronic analysis to ensure proper function. This service is clinically important for ongoing management of conditions treated with intrathecal or intracranial drug delivery systems, such as chronic pain or certain central nervous system infections. Nationally, appropriate coding for pump refills and device interrogation affects continuity of care, device safety monitoring, and accurate provider billing.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication summarizes payer coverage considerations and common modifiers used in claims, and places the service in clinical context for procedural and outpatient settings.

Readers will learn what CPT code 95991 represents, typical sites of service, and how the code is used in practice for maintenance and electronic analysis of implanted pumps. The report provides benchmark and policy context where available, highlights clinical relevance for long-term implanted pump management, and notes where input data is not available. Data not available in the input: Associated taxonomies, specific ICD-10 diagnoses, related codes, service line details beyond the provided description.