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 08CNX
Extirpation of Matter from Right Upper Eyelid, Perc Approach
Extirpation of Matter from R Up Eyelid, Extern Approach
Extirpation of Matter from Right Upper Eyelid, Open Approach