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 B328ZZ
CT Scan of Bi Int Carotid using Intravasc Optic Cohere
Computerized Tomography (CT Scan) of Bi Int Carotid
CT Scan of Bi Int Carotid using H Osm Contrast
CT Scan of Bi Int Carotid using Oth Contrast
CT Scan of Bi Int Carotid using L Osm Contrast