The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0RNLX
Release Right Elbow Joint, Percutaneous Endoscopic Approach
Release Right Elbow Joint, Open Approach
Release Right Elbow Joint, External Approach
Release Right Elbow Joint, Percutaneous Approach