Which code is appropriate for regional block anesthesia during carpal tunnel surgery?

The appropriate code for regional block anesthesia during carpal tunnel surgery is 01810. This code specifically describes the technique used for the administration of a brachial plexus block, which is commonly used for procedures involving the upper extremity, including carpal tunnel release.

In the context of anesthesia coding, it is essential to select a code that accurately represents the type of nerve block performed. Code 01810 covers the regional anesthesia necessary for the surgical intervention on the area affected by carpal tunnel syndrome, which involves the median nerve at the wrist.

Understanding the context of the procedures involved helps clarify why this coding choice is suitable. Other codes in the range may describe different types of blocks or anesthetic techniques that do not specifically apply to the regional block used in carpal tunnel surgery. Thus, when coding for regional block anesthesia in this scenario, 01810 is the most accurate representation of the anesthesia provided during the procedure.