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 0RNFX
Release Left Sternoclavicular Joint, Perc Endo Approach
Release Left Sternoclavicular Joint, Percutaneous Approach
Release Left Sternoclavicular Joint, External Approach
Release Left Sternoclavicular Joint, Open Approach