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 0551
Destruction of Hemiazygos Vein, Perc Endo Approach
Destruction of Hemiazygos Vein, Open Approach
Destruction of Hemiazygos Vein, Percutaneous Approach