The Approach Percutaneous is identified by number "3" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 02NH3
Release Pulmonary Valve, Percutaneous Approach
Release Pulmonary Valve, Percutaneous Endoscopic Approach
Release Pulmonary Valve, Open Approach