CPT code 36582 denotes the complete replacement of a tunneled central venous access catheter when the device is blocked, damaged, or malfunctioning. This code is clinically significant because tunneled catheters are critical for long-term vascular access in patients requiring infusion therapy, dialysis adjuncts, or long-term venous access. Timely replacement impacts infection risk, continuity of therapy, and facility resource use across inpatient and outpatient procedural settings.

Key payers in this national overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication summarizes coverage patterns and operational benchmarks where available, highlights the clinical context for use of the code, and outlines coding considerations relevant to billing and claims adjudication.

Readers will learn the clinical definition and typical settings for CPT code 36582, expected site-of-service considerations, and what inputs are available versus missing for a full payer-level benchmarking analysis. The piece also identifies where additional documentation or coding detail is commonly required for claims processing. Data not available in the input is clearly noted so stakeholders understand the limits of the current summary.