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 0TN40
Release Left Kidney Pelvis, Open Approach
Release Left Kidney Pelvis, Endo
Release Left Kidney Pelvis, Percutaneous Approach
Release Left Kidney Pelvis, Via Opening
Release Left Kidney Pelvis, Percutaneous Endoscopic Approach