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 0KN8X
Release Left Upper Arm Muscle, Open Approach
Release Left Upper Arm Muscle, Percutaneous Approach
Release Left Upper Arm Muscle, External Approach
Release Left Upper Arm Muscle, Perc Endo Approach