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 08CB0
Extirpation of Matter from Left Choroid, External Approach
Extirpation of Matter from Left Choroid, Open Approach
Extirpation of Matter from Left Choroid, Perc Approach