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 B3251Z
Computerized Tomography (CT Scan) of Bi Com Carotid
CT Scan of Bi Com Carotid using Oth Contrast
CT Scan of Bi Com Carotid using Intravasc Optic Cohere
CT Scan of Bi Com Carotid using L Osm Contrast
CT Scan of Bi Com Carotid using H Osm Contrast