CPT code 64595 represents surgical revision or removal of a peripheral, sacral, or gastric neurostimulator pulse generator or receiver that was placed in a surgically created pocket and is connected to an electrode array. This code matters nationally because implanted neurostimulation therapies are an expanding modality for chronic pain and functional disorders, and device maintenance or removal procedures are common drivers of episodic surgical resource use. Payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will learn what CPT code 64595 denotes, the clinical contexts that prompt generator/receiver revision or removal, and the typical service setting for these procedures. The publication summarizes national reimbursement and billing considerations, common modifier usage, and benchmarks where available. It also outlines policy and coverage themes relevant to payers and facilities that manage implanted neurostimulator systems. Data not available in the input will be noted explicitly where applicable.