The Body Part Brachial Plexus is identified by number "3" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 01N3
Release Brachial Plexus, Percutaneous Approach
Release Brachial Plexus, Percutaneous Endoscopic Approach
Release Brachial Plexus, Open Approach