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 05C1
Extirpation of Matter from Hemiazygos Vein, Open Approach
Extirpate of Matter from Hemiazygos Vein, Perc Endo Approach
Extirpation of Matter from Hemiazygos Vein, Perc Approach