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 0KN7X
Release Right Upper Arm Muscle, Perc Endo Approach
Release Right Upper Arm Muscle, Percutaneous Approach
Release Right Upper Arm Muscle, Open Approach
Release Right Upper Arm Muscle, External Approach