The Body Part Atrial Septum is identified by number "5" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 02Q5
Repair Atrial Septum, Percutaneous Endoscopic Approach
Repair Atrial Septum, Percutaneous Approach
Repair Atrial Septum, Open Approach