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 0MN7X
Release Right Hand Bursa and Ligament, Percutaneous Approach
Release Right Hand Bursa and Ligament, Open Approach
Release Right Hand Bursa and Ligament, Perc Endo Approach
Release Right Hand Bursa and Ligament, External Approach