The Contrast None is identified by letter "Z" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to B428Z
CT Scan of Bi Renal Art using Oth Contrast
CT Scan of Bi Renal Art using Intravasc Optic Cohere
Computerized Tomography (CT Scan) of Bi Renal Art
CT Scan of Bi Renal Art using L Osm Contrast
CT Scan of Bi Renal Art using H Osm Contrast