Article Overview

This short coding Q&A explains a postoperative pain management scenario involving an erector spinae plane (ESP) block performed under ultrasound guidance with catheter placement. It is intended for coders and billing staff who need to understand how the service is categorized in CPT and what type of documentation is typically associated with an unlisted-procedure report. The article provides a general discussion of why the service falls outside a specific CPT description and how unlisted procedure reporting is handled at a high level.