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 08H1X
Insertion of Other Device into Left Eye, Perc Approach
Insertion of Epiret Prosth into L Eye, Open Approach
Insertion of Other Device into Left Eye, Via Opening
Insertion of Radioactive Element into L Eye, Perc Approach
Insertion of Other Device into Left Eye, Endo
Insertion of Radioactive Element into L Eye, Extern Approach
Insertion of Infusion Device into Left Eye, Perc Approach
Insertion of Other Device into Left Eye, Open Approach
Insertion of Infusion Device into Left Eye, Extern Approach