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 0WCH0
Extirpation of Matter from Retroperitoneum, Open Approach
Extirpation of Matter from Retroperitoneum, Extern Approach
Extirpate of Matter from Retroperitoneum, Perc Endo Approach
Extirpation of Matter from Retroperitoneum, Perc Approach