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 BQ2VZ
CT Scan of R Patella using L Osm Contrast
CT Scan of R Patella using H Osm Contrast
CT Scan of R Patella using Oth Contrast
Computerized Tomography (CT Scan) of Right Patella