The Qualifier None is identified by letter "Z" and occupies the 6th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to B30GYZ
Plain Radiography of Bi Verteb Art using Oth Contrast
Plain Radiography of Bilateral Vertebral Arteries
Plain Radiography of Bi Verteb Art using L Osm Contrast
Plain Radiography of Bi Verteb Art using H Osm Contrast