The Body Part Choroid, Left is identified by letter "B" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 08CB
Extirpation of Matter from Left Choroid, Perc Approach
Extirpation of Matter from Left Choroid, External Approach
Extirpation of Matter from Left Choroid, Open Approach