CPT code 0519T covers removal and replacement of a pulse generator battery and transmitter for a wireless cardiac stimulator that provides left ventricular pacing, including device interrogation and programming. This code captures a specialized device-management procedure distinct from routine pacemaker or defibrillator services and is relevant as wireless cardiac stimulators see growing clinical use for targeted ventricular pacing. Accurate use of this code affects facility and physician reporting for device replacement, post-procedure programming, and care coordination.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication presents national benchmarks for utilization and payment where available, highlights clinical context for left ventricular pacing device replacements, and summarizes coding and billing considerations tied to device interrogation and programming bundled into the service. Readers will find: an explanation of the procedure and typical settings of care (hospital inpatient/outpatient, ambulatory surgery centers), payer coverage landscape and common modifiers used with device procedures, and guidance on documentation elements tied to device removal, replacement, and programming. Data not available in the input are noted where applicable.