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 02CM0
Extirpation of Matter from Ventricular Septum, Open Approach
Extirpate matter from Ventricular Sept, Perc Endo
Extirpation of Matter from Ventricular Septum, Perc Approach