The Body Part Hemiazygos Vein is identified by number "1" and occupies the 4th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 05Q1
Repair Hemiazygos Vein, Percutaneous Approach
Repair Hemiazygos Vein, Percutaneous Endoscopic Approach
Repair Hemiazygos Vein, Open Approach