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 BV08YZ
Plain Radiography of Vasa Vasorum using H Osm Contrast
Plain Radiography of Vasa Vasorum using Other Contrast
Plain Radiography of Vasa Vasorum using Low Osmolar Contrast