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 BP28ZZ
CT Scan of R Shoulder using L Osm Contrast
CT Scan of R Shoulder using Oth Contrast
Computerized Tomography (CT Scan) of Right Shoulder
CT Scan of R Shoulder using H Osm Contrast