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 05P4X
Removal of Neuro Lead from L Innom Vein, Perc Endo Approach
Removal of Neuro Lead from L Innom Vein, Perc Approach
Removal of Neuro Lead from L Innom Vein, Open Approach
Removal of Neuro Lead from L Innom Vein, Extern Approach