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 02FNX
Fragmentation in Pericardium, Percutaneous Approach
Fragmentation in Pericardium, Open Approach
Fragmentation in Pericardium, External Approach
Fragmentation in Pericardium, Perc Endo Approach