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 B3201Z
Computerized Tomography (CT Scan) of Thoracic Aorta
CT Scan of Thoracic Aorta using H Osm Contrast
CT Scan of Thoracic Aorta using Oth Contrast
CT Scan of Thoracic Aorta using L Osm Contrast
CT Scan of Thoracic Aorta using Intravasc Optic Cohere