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 B420YZ
CT Scan of Abd Aorta using Oth Contrast
CT Scan of Abd Aorta using Intravasc Optic Cohere
Computerized Tomography (CT Scan) of Abdominal Aorta
CT Scan of Abd Aorta using H Osm Contrast
CT Scan of Abd Aorta using L Osm Contrast