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 B30Q1Z
Plain Radiography of Cerv-cereb Arch using H Osm Contrast
Plain Radiography of Cerv-cereb Arch using L Osm Contrast
Plain Radiography of Cerv-cereb Arch using Oth Contrast
Plain Radiography of Cervico-Cerebral Arch