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 0RNKX
Release Left Shoulder Joint, Percutaneous Approach
Release Left Shoulder Joint, Open Approach
Release Left Shoulder Joint, Perc Endo Approach
Release Left Shoulder Joint, External Approach