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 0FF4X
Fragmentation in Gallbladder, External Approach
Fragmentation in Gallbladder, Open Approach
Fragmentation in Gallbladder, Endo
Fragmentation in Gallbladder, Percutaneous Approach
Fragmentation in Gallbladder, Perc Endo Approach
Fragmentation in Gallbladder, Via Opening