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 0YJ5X
Inspection of Right Inguinal Region, Open Approach
Inspection of Right Inguinal Region, Percutaneous Approach
Inspection of Right Inguinal Region, External Approach
Inspection of Right Inguinal Region, Perc Endo Approach