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 BV081Z
Plain Radiography of Vasa Vasorum using Low Osmolar Contrast
Plain Radiography of Vasa Vasorum using Other Contrast
Plain Radiography of Vasa Vasorum using H Osm Contrast