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 08CP0
Extirpation of Matter from L Up Eyelid, Extern Approach
Extirpation of Matter from Left Upper Eyelid, Open Approach
Extirpation of Matter from Left Upper Eyelid, Perc Approach