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 0LN3X
Release Right Upper Arm Tendon, Percutaneous Approach
Release Right Upper Arm Tendon, Perc Endo Approach
Release Right Upper Arm Tendon, Open Approach
Release Right Upper Arm Tendon, External Approach