The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 08CN0
Extirpation of Matter from Right Upper Eyelid, Open Approach
Extirpation of Matter from Right Upper Eyelid, Perc Approach
Extirpation of Matter from R Up Eyelid, Extern Approach